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cycloconverter technology



Low cost cycloconverter induction motor drives using new modulation techniques
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ABSTRACT This thesis describes new techniques for controlling naturally commutated, circulating current free cycloconverters when used to drive induction motors, then applies these techniques to standard three pulse cycloconverters and to single phase input

Low-cost 10 kW inverter system for fuel cell interfacing based on PWM cycloconverter
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PWM Cycloconverter cycloconverter technology, combined with a simple approach that produces a patent-pending PWM cycloconverter modulation process.

Simulation of Cycloconverter Fed Split Phase Induction Motor
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Abstract Single-phase induction motors are widely used in many applications. Improvements in its performance mean a great saving in electrical energy consumption. A cycloconverter fed variable frequency motor is a typical example of such improvement. In this regard, the

Simulation of cycloconverter based three phase induction motor
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ABSTRACT The process machine including provision for variation in load and this is achieved by using three phase cycloconverter based variable voltage variable frequency (VVVF) method. To realize this, a demand torque characteristics of a specific process

Modeling and Simulation of Single Phase Cycloconverter
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Abstract This paper presents simulation of Single phase cycloconverter. Single phase cycloconverter generates double, triple and fourth times of the output frequency. The split phase induction motor has two windings, the main winding and the auxiliary winding.

Research on the Controller of Cycloconverter-fed Salient Synchronous Machine
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Abstract A new full digital controller is developed in this paper, which is designed for implementing the vector control of a cycloconverter-fed salient synchronous machine. This controller is composed of an advanced DSP and a FPGA. Vector control algorithm is

Stator and rotor current harmonics in Doubly Fed Machine with cycloconverter in rotor circuit
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Abstract. The stator and rotor currents of a doubly fed machine (DFM) with a 12-pulse cycloconverter in the rotor circuit for different operating states are analyzed. It is shown that the stator as well as the rotor currents contain harmonic spectra dependent on the

Design and Construction of Single Phase Cycloconverter
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Abstract:The variable frequency has always been of great importance in the industrial world. The generating station generates electricity of the frequency of 50 Hz which is not always applicable for some electrical appliances. Some electrical devices need variable

Mutually commutated converter equipped with thyristor-based cycloconverter
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The switching losses of power conversion systems can be significantly reduced by use of the proposed mutually commutated converter topologies which equipped with IGBT-based cycloconverters and permit soft switching of all semiconductor valves in all operating

Speed Control of Induction Motor using Cycloconverter
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Abstract:This method is used to control the speed of the induction motor. The speed control by this method is simple and can be made economical by using different methods to control the operation of cycloconverter which in turn controls the performance of motor. The

Cycloconverter Drive for AC Motors
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Abstract This paper is going to discuss an efficient technique to control the speed of a single phase induction motor in three steps by using cyclo convertor technique by thyristors. The induction motor is most widely used machine in both industrial and domestic sector, the

Hardware Development and Implementation of Single Phase Matrix Converter as aCycloconverter
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Abstract: In this paper, an algorithm is developed that enable a single phase matrix converter (SPMC) to perform a function of cycloconverter ie act as frequency changer. The algorithm is first implemented on Matlab simulink software. Simulation results are

A Review of High Power Cycloconverter Applications for Synchronous Motor Drives in Mining Industries
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Abstract:Many advancements have taken place in control, analysis, modelling and practical implementation aspects of cycloconverters and their applications to the adjuslable- speed ac drives. This paper presents the theory of cycloconverter characteristics and

DIGITAL CONTROL SYSTEM OF A CIRCULATING CURRENT CYCLOCONVERTER FED DRIVER WITH REACTIVE POWER CONTROL
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Abstract: In this paper, the relationship between circulating current and reactive power of cycloconverter fed driver system is analyzed and developed, the principle of reactive power detection and control is introduced, then a digital vector control system of a

Application of PWM Controlled Cycloconverter For Washing Machine
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ABSTRACT The single-phase induction motor, in permanent split capacitor topology, is used in some models of washing machines. This paper presents the implementation of the cycloconverter control to drive the washing machine in order to provide benefits in

A ZVS cycloconverter based series active filter
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Abstract:-A new zero voltage switching (ZVS) series active filter (SAF) is proposed. The circuit includes a phase shift based PWM full-bridge inverter. A cycloconverter is used to control the polarity of output voltage pulses of mentioned inverter. Combination of

ENVELPPE CYCLOCONVERTER BASED ON INTEGRAL HALF CYCLE SELECTION AND HALF CYCLE OMISSION TECHNIQUE
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Abstract This paper proposes a new three-phase envelope cycloconverter based on integral half cycle selection with selected half cycle omission (HCO) technique. The advantage of using this technique is to eliminate completely the dominant supply frequency harmonic

Active and Reactive Power Control of a DFIG with Cycloconverter for Variable Speed WECS
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Abstract. In this paper, a wind energy conversion system (WECS) composed of a wind turbine, a doubly fed induction generator (DFIG) and a cycloconverter is investigated. In order to decouple the active and reactive powers exchanged between the stator of the

IMPLEMENTING SINGLE PHASE CYCLOCONVERTER USING SINGLE PHASE MATRIX CONVERTER TOPOLOGY WITH SINUSOIDAL PULSE WIDTH
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Abstract: In the modern era, Power Electronics' and motion control has emerged as a very important technology in the industrial automation. In the industrial process, most of the drives are constant torque type and needs to drive distinct type of loads at different speeds.

Software Design and Hardware Realisation of Single Phase to Single Phase Step DownCycloconverter
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Abstract-The electricity produced at power stations has a frequency of 50 Hz which is not always applicable for some electrical equipments. Some electrical devices need variable frequency ranging from one tenth to one third of supply frequency. Some examples are

SIMULATION OF PHASE CYCLOCONVERTER



Simulation of cycloconverter based three phase induction motor
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ABSTRACT The process machine including provision for variation in load and this is achieved by using three phase cycloconverter based variable voltage variable frequency (VVVF) method. To realize this, a demand torque characteristics of a specific process

Simulation of Cycloconverter Fed Split Phase Induction Motor
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Abstract Single-phase induction motors are widely used in many applications. Improvements in its performance mean a great saving in electrical energy consumption. A cycloconverter fed variable frequency motor is a typical example of such improvement. In this regard, the

Modeling and Simulation of Single Phase Cycloconverter
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Abstract This paper presents simulation of Single phase cycloconverter. Single phase cycloconverter generates double, triple and fourth times of the output frequency. The split phase induction motor has two windings, the main winding and the auxiliary winding.


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