Influences of DC component of short-circuit current on TP KMEA arc model parameters of 126 kV SF 6 circuit breaker

Rundong Lan,Bin Xiang,Jinhui Luo,Xiaofei Yao,Feiyue Ma,Hui Ni

2022 6th International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST)（2022）

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摘要

With the development of the power system, the problem that the decay time constant of the DC component in the short-circuit current of the system exceeds the standard time constant of the existing circuit breaker is becoming more and more prominent, which is easy to cause significant losses due to breaking failure. However, the research on the influence of short-circuit current DC component on the...

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关键词

Cooling,Circuit breakers,Short-circuit currents,Sulfur hexafluoride,High-voltage techniques,Predictive models,Data models

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