Zero-sequence current criterion, negative sequence current criterion and phase current variation can be used to improve the performance of breaker failure protection for ACF sub-bank.
针对单纯采用相电流判据的不足之处,本文提出增加零序电流、负序电流及电流变化量判据,以有效地避免保护误动或者拒动。
Zero-sequence current criterion, negative sequence current criterion and phase current variation can be used to improve the performance of breaker failure protection for ACF sub-bank.
针对单纯采用相电流判据的不足之处,本文提出增加零序电流、负序电流及电流变化量判据,以有效地避免保护误动或者拒动。
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