Superconducting fault current limiters
Application of resistive high temperature superconducting fault current limiters in power-station service plant
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ABSTRACT In this work the application of resistive HTS fault current limiters is examined in the voltage levels 10 kV, 0, 69 kV and 0, 40 kV of power-station service plant for power station units with generators of high rated power. Within this task the following goal-positions
Quench behavior of high temperature superconducting bulk material in resistive fault current limiters
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ABSTRACT Both the resistive and the inductive Superconducting Fault Current Limiter (SFCL) are highly attractive. So far, BSCCO bulk material for the inductive SFCL as well as YBCO thin films for the resistive type have been favoured. For resistive SFCL, the use of
Assessment of the impact of HTSCs on superconducting fault-current limiters
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The possible impact of nitrogen-cooled superconductors on the design and cost of superconducting fault-current limiters is assessed by considering the technical specifications such devices must meet and by comparing material properties of 77-K and 4-K
Quench behavior of resistive superconducting fault current limiters with various pattern shapes
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ABSTRACT Quench behavior of resistive superconducting fault current limiters (SFCLs) with various pattern shapes was investigated. The pattern shapes employed were meander, bi- spiral, and spiral shapes of identical line width, gap and margin. SFCLs were fabricated
Effect of Superconducting Fault Current Limiters on Successful Interruption of Circuit Breakers
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ABSTRACT The penetration of DG systems in distribution systems can result in the increase of the short circuit current level. The application of the fault current limiter (FCL) would not only decrease the stress on network devices, but also can offer a connection to improve the
SUPERCONDUCTING FAULT CURRENT LIMITERS–A NEW DEVICE FOR FUTURE SMART GRIDS–
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ABSTRACT Nexans SuperConductors (NSC) has designed, built, tested, and installed a number of SFCL (Superconducting Fault Current Limiter) systems. The devices are in different areas and cases of operation with various requirements and specifications from
Proposal of Interlocked Operation of Two Trial Superconducting Fault Current LimitersConnected in Series against the Repeti-tive Faults in a Model Power
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ABSTRACT Superconducting Fault Current Limiters (SCFCLs) are expected to improve the reliability and stability of power systems. Specifications of SCFCLs, such as trigger current level, recovery characteristic and impedance must be considered precisely, in introducing
Superconducting fault current limiters
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Superconducting Fault Current Limiters Latest developments at Nexans SuperConductors Page Nexans SuperConductors • Introduction • SFCL systems – Function
Modeling and Characterization of Coated Conductors Applied to the Design ofSuperconducting Fault Current Limiters
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ABSTRACT The Superconducting Fault Current Limiter (SFCL) appears to be a device of great interest to efficiently build the electrical grid of tomorrow. With the recent progress made by the superconducting wires manufacturers, there are needs coming from the industry to
The influence of core parameters on the inductive superconducting fault current limiters' operation
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ABSTRACT The Superconducting Fault Current Limiters are designed to react and absorb anticipated power surges in electrical grid. The SFCL connected in series to the power line is characterized by very fast transition to the resistive state and fast recovery time. The
Unsymmetrical properties of the superconducting fault current limiters with a single line-to-ground fault
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HS Choi, SH Lim ABSTRACT We performed the unsymmetrical analyses of the superconducting fault current limiters (SFCLs) based on YBCO thin films with a single line-to-ground fault. When a single line-to-ground fault occurred, the short circuit current of a fault phase increased up to
Application of Multiple Resistive Superconducting Fault Current Limiters for Fast FaultDetection in Highly-Interconnected Distribution Systems
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CG Bright ,personal.strath.ac.uk ABSTRACT Superconducting fault current limiters (SFCLs) offer several benefits for electrical distribution systems, especially with increasing distributed generation and the requirements for better network reliability and efficiency. This paper examines the use of multiple SFCLs
State-of-art and application prospects for superconducting fault current limiters in electric power systems
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This paper presents the review of the contemporary concept, design and technology approaches to the superconducting fault current limiters (SFCL). The essential features of each type of the SFCL have been highlighted and the research problems to solve in the
Applications of Superconducting Fault Current Limiters in Electric Power Transmission
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L Kovalsky, X Yuan, K Tekletsadik, A Keri, J Bock ,cvipinc.com ABSTRACT The introduction of new generating facilities by independent power producers and increasing load demand can result in fault-current over-duty on existing transmission system protective equipment. Conventional solutions to fault current over-duty such as major
Study on Limiting Operation of Series Connection of Superconducting Fault Current Limiterswith Adjustable Trigger Current Level
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ABSTRACT Superconducting Fault Current Limiters (SCFCLs) can reduce fault currents to an acceptable value in a moment, then SCFCLs are expected to improve the reliability and the stability of power systems. Various kinds of SCFCLs were proposed and have been
Simulation Analysis of the Resistive type Superconducting Fault Current Limiters
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JH Bang, TJ Heo, HT Bae, M Park, IK Yu ABSTRACT Since the discovery of the high-temperature superconductors, many researches have been performed for the practical applications of superconductivity technologies in various fields. As results, significant progress has been achieved. Especially,
Thermal Behaviour and Refrigeration of High-Temperature Superconducting Fault Current Limiters and Microlimiters
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JA Veira, MR Osorio, F Vidal ,cdn.intechopen.com Superconducting fault current limiters (SFCL) based on high temperature superconductors (HTSC) of different types, inductive, resistive or hybrid, have being extendedly studied (Noe
An Optimal Design Approach for Resistive and Inductive Superconducting Fault Current Limiters via MCDM Techniques
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ABSTRACT The design process of a superconducting fault current limiter (SFCL) requires simulation and definition of its electrical, magnetic and thermal properties in form of equivalent circuits and mathematical models. However, any change in SFCL parameters:
Modeling and simulation of high temperature superconducting fault current limitersinserted in a distribution level power system
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Summary Reinforced or extended power systems lead to increased prospective fault currents. Security, protection of equipment and reliability constraints imply that utilities are faced with ame need for a fault current limiter. Such a device would rapidly limit fault
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