reactive power compensation research papers








Analysis of the impact of nonlinear loads on capacitor banks for reactive power compensation in MV/LV substations
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Abstract. The influence of nonlinear loads on the selection and exploitation of capacitor banks for reactive power compensation in MV/LV substations has been analyzed in the paper. Frequency and time simulations were performed for a model system to determine

Closed loop control of Thyristor Switched Capacitor (TSC) for instantaneous Reactive Power Compensation
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ABSTRACT Development in electrical power transmission system and increased load demands require such systems that are very fast acting and reliable. Now-a-days Flexible AC Transmission Systems (FACTS) has become a subject of interest for the power system

Optimal Reactive Power Compensation by Shunt Capacitor Sizing Using Harmony Search Algorithm in Unbalanced Radial Distribution System for Power loss
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ABSTRACT Electricity demand exceeds the supply leading to regional blackout. The power generated is transmitted through a large network and significant power losses in transmission and distribution feeders. Loss reduction through various methods has the

Single-phase inverter design for V2G reactive power compensation
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ABSTRACT Vehicle to grid (V2G) power transfer has been under research for more than a decade because of the large energy reserve of an electric vehicle battery and the potential of thousands of these connected to the grid. In this study a complete analysis of the front

Distributed multi-hop reactive power compensation in smart micro-grids subject to saturation constraints.
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ABSTRACT In this paper we address the problem of exploiting the distributed energy resources (DER) available in a smart micro-grid to minimize the power distribution losses via optimal reactive power compensation. Due to their typically small size, the amount of

Compensation techniques based on reactive power conservation
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Summary: The paper introduces two definitions of instantaneous reactive power terms, which are conservative in every network and apply even under non-sinusoidal conditions. Both quantities coincide with usual reactive power for sinusoidal operation, however they

Design and Implementation of a voltage source converter based STATCOM for reactive power compensation and harmonic filtering
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DESIGN AND IMPLEMENTATION OF A VOLTAGE SOURCE CONVERTER BASED STATCOM FOR REACTIVE POWER COMPENSATION AND HARMONIC FILTERING response in reactive power compensation, and minimum input current harmonic Voltage control and reactive power compensation in a distribution network with embedded Wind Energy Conversion System (WECS) represents the main concern of this paper. The WECS is a fixed speed/constant frequency system that is equipped with an induction

Genetically Tuned STATCOM for Voltage Control and Reactive Power Compensation
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(STATCOM) is used for voltage stability and the compensation of reactive power. The STATCOM contains an Insulated Gate Bipolar Transistor (IGBT) based voltage source converter for voltage control and reactive power compensation. The STATCOM is used to

Fuzzy logic controlled adaptive active power filter for harmonics minimization and reactive power compensation under fast load variation
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ABSTRACT This paper describes the application of a new fuzzy based control strategy to a three-phase shunt active power filter for harmonics minimization and reactive power compensation required by a variable non-linear load. To improve dynamic behaviour of

A three-phase shunt active power filter for currents harmonics suppression and reactive power compensation
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ABSTRACT This study presents a three phase shunt active power filter for current harmonics suppression and reactive power compensation using the supply current as reference. The proposed APF has a simple control circuit; it consists of detecting the supply current

Design and implementation of a current source converter based statcom for reactive power compensation
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The developed system has been implemented for compensation of rapidly varying reactive power demand of coal mining excavators in Turkish Coal Enterprises. The field test results have shown that the proposed CSC D-STATCOM serves as av technologically new full This paper investigates the main impacts of dynamic reactive power compensation devices on the performance of induction machine-based wind power generators. The dynamic reactive power compensation devices analysed are the SVC (Static Var Compensator) This article presents reactive power compensation of isolated wind-diesel hybrid power system for realistic load disturbance using Matlab/Simulink. The mathematical model of the system based on Matlab/Simulink is developed. Reactive power control performance is

Reactive Power Compensation Using Sliding-Mode Controlled Three-Phase Multilevel Converters
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ABSTRACT This paper presents sliding-mode controlled multilevel converters for reactive power compensation. The reactive power compensation scheme here proposed includes a prototype three-phase multilevel converter and a digital signal processing system, in The paper summarises the refereed contributions of seven articles reviewed for publication in the IJETP Special Issue on" Reactive compensation for wind farms". The main goal of the special issue is to provide a forum to exchange information on the reactive power It is very well known that electric arc furnace as a three-phase charge one of the most important generators of harmonic currents, reactive power and unbalanced conditions in electrical power systems. To study the effect of the reactive power compensation

On the Use of Evolutionary Algorithms for Reactive Power Compensation in Electrical Distribution Networks-Experiments on a Case Study
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In the electrical distribution network, reactive power compensation aims at guarantying an efficient delivery of active power to loads, releasing system capacity, reducing system losses, and improving system power factor and bus voltage profile. The achievement of

Optimal sizing and location of static and dynamic reactive power compensation
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ABSTRACT The key of reactive power planning (RPP), or Var planning, is the optimal allocation of reactive power sources considering location and size. Traditionally, the locations for placing new Var sources were either simply estimated or directly assumed.

IESO Philosophy On Reactive Power Compensation
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A Maria, M Facca, JD De Leon North American WINDPOWER 2007 webhotel2.tut.fi In modeling a wind farm for system studies, the collector system was simplified by aggregating all of the wind turbines onto two feeders, as illustrated in the one-line diagram, on the next page, for a 100 MW wind farm that uses type I wind turbines. The effective

Adaptive and fault-tolerant reactive power compensation in power systems via multilevel STATCOMs
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ABSTRACT. Rapid and smooth reactive power compensation is crucial to maintain safe and reliable operation of power systems. This paper presents an adaptive and faulttolerant control (FTC) approach for reactive power compensation via a three-level cascaded

Optimization of reactive power compensation in distribution networks''
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Abstract. The optimal reactive-power compensation problem solving consists of finding the optimal combinations of the capacitors and their locations in a network in a way that technical requirements are satisfied and maximum economical effects are achieved.

Convergence analysis of a distributed voltage support strategy for optimal reactive power compensation
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ABSTRACT We consider the problem of commanding the electronic power interfaces of the micro generators in a low voltage microgrid for the task of optimal reactive power compensation. In this work, we analyze the convergence of the strategy proposed by Tenti

The ITER Reactive Power Compensation and Harmonic Filtering (RPCHF) System
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ITER's 400 kV, 500 MW Pulse Power Electrical Network (PPEN) will be supplied directly from the French 400 kV power transmission grid via a double circuit line extension. PPEN will in turn supply many large AC/DC converters providing controlled current to the

The reactive power compensation of the CERN PS-Booster power supply
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Abstract The CERN Synchrotron Injector (PS-Booster) started operation in the spring of 1972. The pulsed power supplies for the bending magnets and quadrupole lenses are provided by static rectifiers connected directly to the networkl Compensation of cyclic

Medium voltage reactive power compensation for Israel electric system
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ABSTRACT This paper addresses a problem of reactive power planning on the distribution level. A novel analytical method to determine total amount of reactive power to be installed on the distribution level is proposed. A special algorithm to calculate optimal capacitor

Factors influencing design of dynamic reactive power compensation for an offshore wind farm
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This paper investigates factors that influence the design of dynamic reactive power compensation (DRPC) for an offshore wind farm consisting of fixed-speed wind turbines. Several influencing factors are considered including DRPC device types and locations,

Reactive power compensation of isolated wind-diesel hybrid power systems with STATCOM and SVC
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ABSTRACT The use of the isolated hybrid power systems is being popular due to the continuous increasing gap between demand and supply of conventional energy sources and intermittent nature of non-conventional energy sources. Normally, the non-

Utilization of trust region algorithm in solving reactive power compensation problem
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ABSTRACT In this paper, we introduce a trust region algorithm for solving a reactive power compensation (RPC) problem in a multi-objective context. The trust region algorithm has proven to be a very successful globalization technique for nonlinear programming This paper studies the impact on the voltage profile of wind energy based generators connected to distribution power systems. Voltage fluctuations arise in distribution levels including noncontrollable primary energy sources because of their corresponding active

Application of fuzzy logic and particle swarm optimization for reactive power compensationof radial distribution systems
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The objective of this paper is to study optimal location and size of the capacitor to be placed in radial distribution feeders to improve the voltage profile and to reduce the energy loss. The problem formulation considers three distinct methods related to maximize the savings

Shunt Reactive Power Compensation of Long Transmission Lines
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ABSTRACT The effectiveness of shunt reactive power compensation for long-distance radial transmission is reexamined. Distributed parameter line model is used in the analysis, in which it is shown that the amount of shunt reactive power compensation required is higher

Compensation of reactive power in the power-supplying system in a roller mixer in laboratory conditions
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ABSTRACT Of particular importance are instantaneous voltage and current levels registered in the three-phase power-supplying systems in roller mixer in laboratory conditions. Recorded data allow the apparent power, active and reactive power to be determined as well as

A three-phase hybrid power filter with continuous reactive power compensation
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ABSTRACT Focused on the power quality problems caused by variation of reactive power and harmonics, a three-phase hybrid power filter composed of a thyristor switched filter and an active power filter (APF) is researched, by which the reactive power can be continuously

Study and comparison of reactive power compensation schemes for air-core transformer in ELV-type DC accelerators
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ABSTRACT The ELV-type accelerators use air-core, multisecondary step-up transformer to generate the high voltage. The transformer has large leakage inductance and small magnetizing inductance. Suitable compensation scheme is required to minimize the

Reactive Power Compensation Characteristics of a New SVC for Industry Custom PowerSystem
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ABSTRACT This paper proposes a new industry custom power system with a new static var compensator (SVC) main circuit topology, and then introduces the wiring scheme of the new rectifier transformer, the harmonic suppression mechanism of the inductive filtering

Design and Simulation of Current and Voltage Linear Controller of a STATCOM for Reactive Power Compensation using variation of DC link voltage
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ABSTRACT The STATCOM (STATic synchronous COMpensator) is a shunt connected voltage source converter using self-commutating device and can be effectively used for reactive power control. Its principle of operation is similar to that of a synchronous condenser. This

Reactive Power Compensation Using a Unified Power Flow Controller fed by a Current Source
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ABSTRACT. A Unified Power Flow Controller UPFC is able to control the throughput real and reactive powers independently. At present the worldwide interest is focused on the voltage source type UPFC. This paper introduces a new concept of a UPFC which is based on a

Reactive Power Compensation in Mechanical Systems
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ABSTRACT In this paper the problem of energy consumption in mechanical systems is approached from an electrical engineering point of view. To achieve this objective classical concepts in electrical networks theory like apparent power, reactive power and power

Impact of the Reactive Power Compensation on Harmonic Distortion Level
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ABSTRACT The goal of this paper is to present a study about the impact of the application of 12 capacitors banks in substitution of one only bank on 23 (kV) utility system on the voltage distortion level. This analysis was based in the results obtained from measurements made

Virtual Instrumentation for Time-Domain Active and Reactive Power Measurement andCompensation in Industrial Networks
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F Sandu, I Szekely, W Szabo, G Scutaru Proc. of 15th IMEKO TC 4 Symposium imeko.org ABSTRACT The authors implemented power measurement methods in non-sinusoidal regime using an original in-time signal processing: the temporal active power formula, applied to a pair of periodic signals representing voltage and current can be applied also to current (as

Investigation of Reactive Power Control and Compensation for HVDC Systems
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ABSTRACT This thesis attempts to investigate the performance of various reactive power compensation devices, examine the mechanism of reactive power compensation for HVDC systems, and develop guidelines for the design of reactive power compensation schemes

Comparative study for EAF's reactive energy compensation methods and power factor improvement
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ABSTRACT In this paper is analyzing the current operating conditions of one electric arc furnace (EAF) in order to evaluate the best option to solve the energy consumption problem. Experimental results show that EAFs represent a substantial source of electric

Regular paper Optimal Power Flow and Reactive Compensation Using a Particle Swarm Optimization Algorithm
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This paper addresses two important optimization problems in power systems planning; namely, the optimal power flow (OPF) problem and the optimal capacitor placement and sizing (OCPS) problem. The aim of studying the OPF problem is to determine the optimal

Layered, Partition, Local Equilibrium of Reactive Power Compensation
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Page 1. Layered, Partition, Local equilibrium of Reactive power compensation eywords: Reactive power compensation, Reactive power of back, Flow control.

Harmonic Reduction Using a Continuously Reactive Power Compensation in HVDC Links
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ABSTRACT According to rectifying or inverting operation of HVDC converters, reactive power is absorbed from the bus in which the converter is connected. In either case of operation reactive power compensation in AC side of converters is quite necessary. In

A New Controller Design of Dynamic Reactive Power Compensation
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ABSTRACT In this paper, we develop a structure for reactive power compensation. It takes FPGA as a core control part. The chip microcomputer controls the display and manages the communication. It solves the reliability and speed of the system effectively (real-time). It is

LOAD REACTIVE POWER COMPENSATION BY USING SERIES INVERTER OF UPQC
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REACTIVE POWER COMPENSATION BY USING SERIES INVERTER 1Associate Professor, ElectronicsElectrical Engineering, Dr.Samuel George Ins. Of Technology,

Using Fuzzy Logic and Static VAR Compensator to Reactive Power Compensation andPower Factor Correction
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ABSTRACT In this paper Static Var Compensator (SVC) is proposed for reactive power compensation and power factor correction. The TCR is operated automatically by a Fuzzy Logic Controller (FLC). The ability of the TSK (Takagi-Sugeno-Kang) and mamdani, two

Study on application of hybrid active power filter into harmonic suppression and reactive power compensation
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ABSTRACT In shunt HAPF, the PPF and APF are in series connection and then in parallel with loads; the PPF is mainly used to eliminate the main order harmonic currents and compensate reactive power, and APF is used to improve the compensating performance

The influence of reactive power compensation on the content of higher harmonics in the voltage and current waveforms
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ABSTRACT The paper presents the results of measurement tests carried out in the mine aggregate for various states of operation of electrical equipment installed in the plant, for cases with and without compensation of reactive power compensation. Development of

Cascaded Seven Levels H-Bridge Inverter Control of DSTATCOM for Compensation ofReactive Power and Harmonics
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ABSTRACT The Static Synchronous Compensators (STATCOMs) have been recognized as the most effective solution for dynamic reactive power compensation, voltage stability enhancement and sub synchronous resonance damping purposes in the electric power

Design and investigation of a 15-kVAR reactive power compensation unit for different load changes
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ABSTRACT. Reactive Power Compensation Units (RPCUs) are used to supply reactive power for inductive loads. Reactive power is consumed by inductive loads such as electric motors, transformers etc. In this study, a 15-kVAR RPCU was investigated for different load

REFERENCE FRAME-BASED ALGORITHM IN AN ACTIVE POWER FILTER FORREACTIVE POWER COMPENSATION UNDER UNBALANCED CONDITIONS
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ABSTRACT Shunt active power filters are used to eliminate current harmonics and to improve the power factor in unbalanced systems near non-linear loads. In this paper an instantaneous vector expression for filter current in terms of active and reactive powers

PARALLEL HYBRID ACTIVE POWER FILTER FOR STATIC REACTIVE POWER AND HARMONICS COMPENSATION WITH SOGI-PLL
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ABSTRACT In this paper, according to the lack of relevant studies based on reactive power compensation, the control method related to this subject has been investigated and applied to the Parallel Hybrid Active Power Filter (P-HAPF). Firstly, the dq base control algorithm is

Hybrid Active Power Filters for Reactive Power Compensation with Adaptive DC-Link Voltage Control
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ABSTRACT This paper presents adaptive dc-link voltage controlled LC coupling hybrid active filters for reduced switching losses and switching noise under the reactive power compensation. The adaptive DC link voltage controller for three phase four wire system

Stability and Reactive Power Compensation Techniques in Wind Farm
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ABSTRACT Wind energy's presence in the electric power system has dramatically grown over the past decade and will continue to grow worldwide as many countries have planned future developments. Large number of wind turbines are being installed and connected to power

The Power Output Characteristics of Jiuquan Wind Power Base and Its Reactive Power Compensation
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China has been built with 3GW of first batch. This paper deliberately researches its power output characteristics based on the observation data in 2012, which provide technical reference for further work of power grid planning. Moreover, on the basis of northwest

Design to conditioning circuits of dynamic compensation of reactive power in the intelligence voltage controller
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ABSTRACT The paper introduces one design idea that making use of SCM to control Real- timely the dynamic compensation of reactive power. Firstly, design one Circuit to Sample the voltage and current, and by these datas we can easily calculate the power factor, and

Analysis of the impact of nonlinear loads on capacitor banks for reactive power compensation in MV/LV substations
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ABSTRACT. The influence of nonlinear loads on the selection and exploitation of capacitor banks for reactive power compensation in MV/LV substations has been analyzed in the paper. Frequency and time simulations were performed for a model system to determine

A Novel Reference Current Generation Algorithm for Harmonic and Reactive Power Compensation in Non Ideal Three-phase Systems
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ABSTRACT Modern power system networks use active power filters for compensation of harmonic currents generated by non linear loads. In this paper a new method for generating reference currents for harmonic and reactive power compensation is proposed. The

Differentiated Configuration Method of Reactive Power Compensation for Distribution Systems
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ABSTRACT To realize differentiated configuration of reactive power compensation (RPC), 10 kV distribution feeders are classified into four types according to their electricity characteristics firstly, and their corresponding base-state models are established for

Modeling and Simulation of SVC for Reactive Power Compensation of Transmission Line
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ABSTRACT The FACTS technology is a promising technology to achieve complete deregulation of Power System ie Generation, Transmission and Distribution as complete individual units. The loading capability of transmission system can also be enhanced

STUDY OF REACTIVE POWER COMPENSATION USING STATIC VAR COMPENSTOR
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ABSTRACT This paper presents an application of a Static Var Compensator (SVC). A SVC is based on Power Electronics and other static devices known as FACTS (Flexible AC Transmission Systems) Controllers which it could be used to increase the capacity and the

Reactive Power Compensation Using Fuzzy Controller
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Summary The nature of load whether industrial or residential is more or less inductive rather than resistive. Therefore always the power factor remains to be as low as cos 900= 0. Such a condition of pf is highly disadvantageous to the supplier and due to this reason the

Compensation of reactive power and hybrid operation in the systems of uninterruptiblepower supply (UPS)
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The paper presents analysis of possible compensation of reactive power by internal input blocks of Uninterruptible Power Systems (UPS), without the use of additional power electronic converters or stationary passive elements (on the example of UPS EVER

REACTIVE POWER COMPENSATION AND VOLTAGE-STABILIZATION FOR WINDPOWER IN A WEAK DISTRIBUTION NETWORK
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LAL CHAKRAVARTHY interscience.in ABSTRACT One of the most promising alternate sources of energy is wind energy. Energy of the wind is converted to electrical energy in wind farms and is then connected to a weak distribution network to supply local loads. Most wind farms use induction generators for

Reactive Power Compensation Using Static Var Compensators (SVCs)
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ABSTRACT Reactive power compensation is a very important task in the control, expansion, planning and operation of power system. Reactive power has a profound effect on the security of power systems because it affects voltages throughout the system: deficiencies

Real Time Implementation of Active Power Filters for Harmonic Suppression and Reactive Power Compensation using dSPACE DSI 104
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ABSTRACT In this paper, an Active Power Filter (APF) is implemented using a dSPACE DSl104 processor to compensate harmonies and reactive power produced by nonlinear load. The reference source current is computed based on the measurement of harmonics

TBSC-TCR Compensator Simulation: A New Approach in Closed Loop Reactive Power Compensation of Dynamic Loads
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ABSTRACT Topology for reactive power compensation of dynamic load in closed loop is presented. The scheme consists of Thyristor Binary Switched Capacitor (TBSC) banks and a Thyristor Controlled Reactor (TCR). TBSC is based on a chain of Thyristor Switched

OF NOVEL CONTROL STRATEGY USED IN ACTIVE HARMONIC FILTER FOR HARMONIC MITIGATION AND REACTIVE POWER COMPENSATION
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ABSTRACT An Active harmonic filter is used to eliminate current harmonics caused by nonlinear loads. In this paper a 3-phase active harmonic filter based on hysteresis current control scheme is proposed. The proposed control technique is simulated using MATLAB.

The New Type of Reactive Power Compensation Device under Direct Current Control and Indirect Current Control
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Page 1. The new type of reactive power compensation device under direct current control and indirect current control 1Zhengzhou The basic principle of reactive power compensation The

An Improved Transformerless Hybrid Active Power Filter with Adjustable Reactive Power Compensation Capability
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ABSTRACT This paper presents a new control scheme for the conventional transformerless hybrid active power filter (HAPF). This HAPF is intended for harmonic and reactive power compensation. The main difference between this control scheme and the classical control

Enhancement of Reactive Power Compensation with DSTATCOM Inverter and MMC Technology Using Solar Photovoltaic Power
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ABSTRACT This paper presents the design of the Distribution Static Compensator (DSTATCOM) a shunt connected device and inverter with Modular Multilevel Converter (MMC) topology into a single unit without any additional cost known as D-STATCOM

Application of Multilevel Voltage-Source-Converter in FACTS Devices for Power System Voltage ControlReactive Power Compensation
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ABSTRACT Voltage control and fast reactive power compensation are two main application area of Static Synchronous Compensator (STATCOM), which is a shunt connected voltage source converter (VSC) based FACTs controller using power semiconductor devices (

EXPERIMENTAL STUDY OF DYNAMIC BEHAVIOR OF DIFFERENT FLEXIBLE SYSTEMS FOR REACTIVE POWER COMPENSATION
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ABSTRACT. The paper presents the results obtained from a study of flexible reactive power compensation systems. The aim is to evaluate the application of flexible reactive power compensation systems for industrial consumers and to develop stability and quality

Finding Optimum Reactive Power Compensation in a Wind Farm
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ABSTRACT. Presently, renewable energies and especially wind energy are gaining a special relevance in the electrical market worldwide. This is due to the more and more urgent need to find alternative energies that supplant those derived from fossil fuels. Within this present

for Reactive Power Compensation in Passive Active Power Conditioning Scheme. Unbalanced Circuits
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ABSTRACT This paper briefly describes the most important definitions of reactive power and answers the question: which formula leads to minimization of the cost and size of hybrid power conditioning system for wide-spread use,

An ANN Controlled Three-Phase Auto-Tuned Passive Filter for Harmonic and Reactive Power Compensation
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ABSTRACT Automatically tuned passive filters can improve power quality to a great extent in power systems. A novel three-phase shunt auto-tuned filter is designed to effectively compensate source current harmonics and to provide reactive power required by the non-

Reactive Power Compensation in Wind Power Plant Using SVC and STATCOM
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ABSTRACT_The WECS is a fixed speed/constant frequency system that is equipped with an induction generator driven by an unregulated wind turbine Although integration of high levels of wind power into an existing transmission system does not require a major

The Compensation Control of Reactive Power and Three Phase Unbalance Load Based on the Method of Sequence Component
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Synchronous Compensator, STATCOM) is compensated reactive power and three phase unbalance load for the distribution grid. According to analyzing the positive sequence equivalent circuit and negative sequence equivalent circuit under the three phase

optimal reactive power dispatch



Optimal Reactive Power Dispatch
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Abstract:In this paper, Imperialist competitive algorithm (ICA) was employed as one of the techniques to solve optimal reactive power dispatch (ORPD) problem. Imperialist Competitive Algorithm (ICA) is one of the recent meta-heuristic algorithms proposed for

Optimal reactive power dispatch for voltage stability enhancement using real coded genetic algorithm
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Abstract:This paper presents an algorithm for solving the multi-objective reactive power dispatch problem in a power system. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization of voltage stability margin are

Application of genetic algorithm to optimal reactive power dispatch including voltage stability constraint
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Abstract This paper presents a Genetic Algorithm (GA)-based approach for solving optimal Reactive Power Dispatch (RPD) including voltage stability limit in power systems. The monitoring methodology for voltage stability is based on the L-index of load buses. Bus

Optimal Reactive Power Dispatch Considering FACTS Device
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Abstract Because their capability to change the network parameters with a rapid response and enhanced flexibility, flexible AC transmission system (FACTS) devices have taken more attention in power systems operations as improvement of voltage profile and minimizing

An intelligent water drop algorithm for solving optimal reactive power dispatch problem
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Abstarct: This paper presents an algorithm for solving the multi-objective reactive power dispatch problem in a power system. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization of voltage stability margin are

A novel particle swarm optimization approach for optimal reactive power dispatch
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Abstract TIn this paper, a solution to reactive power dispatch problem with a novel particle swarm ToptimizationT approach based on multi-agent systems (MAPSO) is presented. The method integrates multi-agent system (MAS) and particle swarm optimization algorithm (

Optimal Reactive Power Dispatch Using an Improved Genetic Algorithm
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Abstract:This paper presents an improved genetic algorithm for Optimal Reactive Power Dispatch (ORPD) to minimize active power loss and improve the voltage profile of power systems. The goal of ORPD is to determine generator bus voltages, transformer tap

A new hybrid PSOGSA algorithm for solving optimal reactive power dispatch problem
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Abstract In this paper, a new hybrid population-based algorithm (PSOGSA) is proposed with the combination of Particle Swarm Optimization (PSO) and Gravitational Search Algorithm (GSA), is applied to solve the optimal reactive power dispatch (ORPD) Problem. The

Optimal Reactive Power Dispatch with SSSC Device Using NSGAII Approach
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Abstract In an electric power systems, the transmission system become increasingly subject several constraints and difficulties to operate. In this paper, a Multi-Objective Evolutionary Algorithm (MOEA) to solve optimal reactive power (VAR) dispatch problem with Flexible

Optimal Reactive Power Dispatch for Loss Reduction and Improvement of Voltage Profile Using Cuckoo Search Algorithm
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Abstract:This paper present efficient and new meta-heuristic optimization algorithm, called Cuckoo Search (CS), to solve the optimal reactive power dispatch (ORPD) problem. ORPD is carried out to reduce losses and to improve the voltage profile in a power system. The

Optimal Reactive Power Dispatch for Voltage Instability Alleviation Using Evolutionary Programming Technique
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Abstract:-In the current power system planning and operation, a lot of concern has been shown in the security of the system and stability analysis. The load sharing or generation scheduling patterns have resulted in heavy flows which lead to greater losses; intimidate

Optimal Reactive Power Dispatch Using Efficient Particle Swarm Optimization Algorithm
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Abstract-This paper presents an efficient particle swarm optimization (EPSO) algorithm for the solution of the optimal reactive power flow (ORPF). The objective is to minimize the total active power loss with optimal setting of control variables without violating inequality

An Improved Great Deluge Algorithm (IGDA) for Solving Optimal Reactive Power DispatchProblem
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Algorithm (IGDA) for solving the multi-objective reactive power dispatch problem. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization of voltage stability margin are taken as the objectives. Generator terminal

A Modified Shuffled Frog-Leaping Optimization Algorithm for Solving Optimal Reactive Power Dispatch Problem
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Abstract-: This paper presents an algorithm for solving the multi-objective reactive power dispatch problem in a power system. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization of voltage stability margin are

Hybrid Genetic Algorithm and Particle Swarm Optimization (HGAPSO) Algorithm for SolvingOptimal Reactive Power Dispatch Problem
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Abstract:This paper presents an algorithm for solving the multi-objective reactive power dispatch problem in a power system. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization of voltage stability margin are

Brain Storm Optimization Algorithm for Solving Optimal Reactive Power Dispatch Problem
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Abstract This paper proposes Brain Storm Optimization Algorithm (BSOA) for solving the multi-objective reactive power dispatch problem. Human being is the most intellectual creature in this world. Naturally, optimization algorithm enthused by human being inspired

A Particle Swarm Optimization for Optimal Reactive Power Dispatch
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This paper presents particle swarm optimization (PSO) based approach for solving optimal reactive power dispatch for minimizing power losses. The control variables are bus voltage magnitudes (continuous type), transformer tap settings (discrete type) and reactive power

A Comparison Study of Multiobjective Evolutionary Computation Algorithms for Optimal Reactive Power Dispatch Problem Considering Voltage Stability
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Abstract:This paper presents the comparative application of four multiobjective evolutionary computation algorithms (MOECAs) for solving the ORPD problem, namely the non dominated sorting genetic algorithm (NSGA-II), and strength Pareto evolutionary

AN EVOLUTIONARY PROGRAMMING APPLICATION TO OPTIMAL REACTIVE POWER DISPATCH
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Power system economical operation consists of two aspects: active power regulation and reactive power dispatch. In a real large scale power system this is a complex problem and is considered conventionally as two separate problems [1-6]. The purpose of optimal

Bumble Bees Mating Optimization (BBMO) Algorithm for Solving Optimal Reactive Power Dispatch Problem
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Abstract:This paper presents Bumble Bees Mating optimization algorithm for solving reactive power dispatch problem in a power system. Generator terminal voltages, reactive power generation of the capacitor banks and tap changing transformer setting are taken

COMPARATIVE STUDY OF METHODS FOR OPTIMAL REACTIVE POWER DISPATCH
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ABSTRACT Reactive power dispatch plays a main role in order to provide good facility secure and economic operation in the power system. In a power system optimal reactive power dispatch is supported to improve the voltage profile, to reduce losses, to improve

Hybrid-Invasive Weed Optimization Particle Swarm Optimization Algorithm For SolvingOptimal Reactive Power Dispatch Problem
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Abstract This paper presents a hybrid optimization algorithm which originates from Invasive Weed Optimization (IWO) and Particle Swarm Optimization (PSO). Based on the novel and distinct qualifications of IWO and PSO, we introduce HIWOPSO algorithm and try to

Optimal Reactive Power Dispatch Using Artificial Bee Colony Method
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Abstract:This paper proposes an artificial bee colony (ABC) algorithm for solving optimal reactive power dispatch (ORPD) problem. The proposed ABC can deal with different objectives of the problem such as minimizing the real power losses, improving the voltage

UPGRADED HARMONY SEARCH ALGORITHM FOR SOLVING OPTIMAL REACTIVE POWER DISPATCH PROBLEM
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ABSTRACT In this paper, a new-fangled Improved harmony search algorithm (IHS) is projected to solve optimal reactive power dispatch problem. Harmony search (HS) is a derivative-free tangible parameter optimization algorithm. It draws encouragement from

Restarted Simulated Annealing Particle Swarm Optimization Algorithm For Solving Optimal Reactive Power Dispatch Problem
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ABSTRACT This paper presents an algorithm for solving the multi-objective reactive power dispatch problem in a power system. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization of voltage stability margin are

New hybrid particle swarm optimization algorithm for solving optimal reactive power dispatch problem
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Abstract This paper presents a hybrid particle swarm algorithm for solving the multiobjective reactive power dispatch problem. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization of voltage stability margin are

A New Improved GA and PSO Combined Hybrid Algorithm (HIGAPSO) for Solving Optimal Reactive Power Dispatch Problem.
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Abstract:In this paper a new evolutionary learning algorithm based on a hybrid of improved real-code genetic algorithm (IGA) and particle swarm optimization (PSO) called HIGAPSO is proposed to solve the optimal reactive power dispatch (ORPD) Problem. In

Improved Cuckoo Search Algorithm for Solving Optimal Reactive Power Dispatch Problem
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Abstract This paper presents an improved cuckoo search algorithm to solve the multi- objective reactive power dispatch problem. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization of voltage stability

An Efficient Differential Evolutionary approach to Optimal Reactive Power Dispatch with Voltage Profile Improvement
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Abstract-In any power system faults occur due to unexpected outages of lines or transformers or other disturbances which are referred to as contingencies may cause voltage instability in the power system. Reactive power plays a very important role in the

Chaotic Search Based Artificial Bee Colony Algorithm for Solving the Optimal Reactive Power Dispatch Problem
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Abstract Reactive Power Optimization is a complex combinatorial optimization problem involving non-linear function having multiple local minima, non-linear and discontinuous constrains. This paper presents Chaotic Search Based Artificial Bee Colony Optimization

Optimal Reactive Power Dispatch in Real-Time
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Abstract: The real-time application of optimal reactive power dispatch (ORPD) to the New Brunswick (NB) Power network is presented. The potential benefits of ORPD are discussed, and some important issues in realtime implementation of ORPD are also outlined, such as

A MULTI CRITERIA DECISION IN OPTIMAL REACTIVE POWER DISPATCH THROUGHOUT SMART POWER GRID
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ABSTRACT: The undesirable voltage is the chief problem for connection of DGs in distribution systems, while excessive reactive power demand from transmission system is the major concern for Transmission System Operators (TSO). This paper presents a new

Optimal Reactive Power Dispatch and Voltage Control Using Interior Point Method
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Abstract: This paper presents an interior point method for optimal reactive power dispatch including equality and inequality nonlinear constraints which represent the power system security conditions. The interior point method used is based on the logarithmic-barrier

Black Hole Algorithm for Solving Optimal Reactive Power Dispatch Problem
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Abstract:This paper proposes a new heuristic algorithm that is enthused by the black hole phenomenon called as Black Hole Algorithm (BHA) used for solving the multi-objective reactive power dispatch problem. The Black Hole Algorithm (BHA) starts with a preliminary

Integration of Particle SwarmAnt Colony Algorithm for Solving Optimal Reactive Power Dispatch Problem
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Abstract-This paper presents a Hybrid algorithm for solving the multi-objective reactive power dispatch problem in power system. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization of voltage stability

Multi-Objective Fuzzy Based Procedure for Optimal Reactive Power Dispatch Problem
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Abstract This paper proposes a fuzzy based procedure to solve the optimal reactive power dispatch (ORPD) problem. Comparison studies between two linear fuzzy models namely triangular and trapezoidal fuzzy models, to solve ORPD problem is carried out for control

Improved Compound Swarm Intelligence Algorithm for Solving Optimal Reactive Power Dispatch Problem
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Abstract-This paper presents an algorithm for solving the multi-objective reactive power dispatch problem in power system. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization of voltage stability margin are

Security-Constrained Optimal Reactive Power Dispatch by Modified PSO Algorithm
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ABSTRACT This paper presents a modified particle swarm optimization (MPSO) for solving the security-constrained optimal reactive power dispatch (ORPD) with transient stability constraints. The objective of the securityconstrained ORPD is defined not only to minimize

One Rank Cuckoo Search Algorithm for Optimal Reactive Power Dispatch
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Abstract:This paper proposes a one rank cuckoo search algorithm (ORCSA) for solving optimal reactive power dispatch (ORPD) problem. The proposed ORCSA can deal with different objectives of the problem such as minimizing the real power losses, improving

Termite Colony Optimization Algorithm for Solving Optimal Reactive Power DispatchProblem
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Abstract In this paper, a different approach, called Termite Colony Optimization (TCO), for solving optimal reactive power dispatch problem has been presented. TCO is an inhabitants based optimization method which is enthused from intellectual behaviors of termites. The

Improved Distribution Particle Swarm Optimization (IDPSO) Algorithm for Solving Optimal Reactive Power Dispatch Problem
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Abstract This paper presents an algorithm for solving the multi-objective reactive power dispatch problem in power system. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization of voltage stability margin are

Optimal Reactive Power Dispatch using Bacterial Foraging Algorithm
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Abstract Reactive power plays crucial roles in power systems reliability and security. This paper proposes the Bacterial Foraging Algorithm (BFA) applied to optimal reactive power dispatch (ORPD). Optimal reactive power dispatch is a mixed integer, nonlinear

OPTIMAL REACTIVE POWER DISPATCH USING PARTICLE SWARM OPTIMIZATION ALGORITHM
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Abstract: Reactive power dispatch plays a major role in order to present good facility secure and economic operation in the power system. In a power system optimal reactive power dispatch is supported to improve the voltage profile, to reduce losses, to improve voltage

Fish School Search Algorithm for Solving Optimal Reactive Power Dispatch Problem
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Abstract This paper presents an algorithm for solving the multi-objective reactive power dispatch problem in a power system. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization of voltage stability margin are

Improved seeker optimization algorithm-based on artificial bee colony algorithm for solvingoptimal reactive power dispatch problem
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Abstract This paper presents a seeker algorithm for solving the multi-objective reactive power dispatch problem. Swarm intelligence algorithms have been productively applied to hard optimization problems. Seeker optimization algorithm is one of the latest members of

Opposition-Based Improved PSO for Optimal Reactive Power Dispatch and Voltage Control
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An opposition-based improved particle swarm optimization algorithm (OIPSO) is presented for solving multiobjective reactive power optimization problem. OIPSO uses the opposition learning to improve search efficiency, adopts inertia weight factors to balance global and

Optimal Reactive Power Dispatch by Genetic Algorithm and Particle Swarm Optimization Considering Lost Opportunities
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Optimal Reactive Power Dispatch has an important role in economy, security and stability of a power system. To maintain the voltage at each bus within its acceptable limits needs sufficient reactive power compensation in the power system. This can be achieved by

PROMPT PARTICLE SWARM OPTIMIZATION ALGORITHM FOR SOLVING OPTIMAL REACTIVE POWER DISPATCH PROBLEM
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Abstract In this paper prompt particle swarm optimization (PPSO) algorithm is proposed to solve the optimal reactive power dispatch (ORPD) Problem. The prompt particle swarm optimization (PPSO) algorithm is obtained by combining PSO and the Cauchy mutation

Harmony Search (HS) Algorithm for Solving Optimal Reactive Power Dispatch Problem
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In this paper, a new Harmony Search algorithm (HS) is proposed to solve the Optimal Reactive Power Dispatch (ORPD) Problem. The ORPD problem is formulated as a nonlinear constrained single-objective optimization problem where the real power loss and the bus

Application of Multi-Objective Evolutionary Algorithm for Optimal Reactive Power Dispatchwith Flexible AC Transmission System Devices
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Abstract Because their capability to change the network parameters with a rapid response and enhanced flexibility, flexible AC transmission system (FACTS) devices have taken more attention in power systems operations as improvement of voltage profile and minimizing

Collective Animal Behavior (CAB) Algorithm for Solving Optimal Reactive Power DispatchProblem
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Abstract-This paper presents a collective animal behavior (CAB) algorithm for solving the multi-objective reactive power dispatch problem in power system. Modal analysis of the system is used for static voltage stability assessment. Loss minimization and maximization

HYBRID BIG BANG--BIG CRUNCH OPTIMIZATION BASED OPTIMAL REACTIVE POWER DISPATCH FOR VOLTAGE STABILITY ENHANCEMENT.
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ABSTRACT One of the most crucial functions in the operation and control of power system is reactive power dispatch (RPD). A hybrid Bigoptimization algorithm which consists of A Big Bang Big Crunch algorithm combined with particle

Optimal Energy and Reactive Power Dispatch in Competitive Electricity Markets
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Abstract:This paper presents the simultaneous/joint electrical energy and reactive power market clearing mechanism. The conventional social welfare function which consists of benefit function of customers and cost function of real power generation is modified to

Optimal dispatch of active and reactive power using cuckoo search method
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Abstract: This paper deals with application of evolutionary algorithm (EA) to solve optimal power flow problem in an efficient manner. In this paper a new approach using cuckoo search (CS) method is proposed for solving OPF problem by optimal setting of control

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