Exploring Methods for Short Circuit Testing of High Voltage Fault Current Limiter Based on High Coupling Split Reactors
2021 IEEE 4th International Electrical and Energy Conference (CIEEC)（2021）
Xi’an High Voltage Apparatus Research Institute Co Ltd
Abstract
Great progress has been achieved in the development of fault current limiters (FCL) in recent years. However, there has been no domestic or overseas standard basis directly in terms of experimental verification. Short circuit testing of high-voltage FCL requires tremendous system capacities. Hence equivalent synthetic methods of testing should be considered. Due to the particularity of component parts in FCL, synthetic testing methods for circuit breakers may induce insulation stress in abnormal conditions. Based on the working principles of high-voltage FCL with high coupling split reactors, equivalent testing methods should be considered firstly, the paper conducts research and analysis on relevant domestic and overseas standards as well as lab capacities, and puts forward equivalent methods of short circuit testing. Then, testtag plans are formulated with actual working status. Lastly, system simulations on the feasibility of plans are carried out.
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Key words
short circuit test,fault current limiters,high-coupling split reactors,equivalent tests
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