The earthfaultprotection and protective electric devices of TT and TN system and the application conditions were analyzed.
分析了TT和TN系统的接地故障保护和保护电器及其应用条件。
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This paper analyzes the influences of shaft voltage absorbing circuit and brush touching resistance on the performance of generator rotor earthfaultprotection.
By employing the DC earthed protection theory, this paper analyzes the characteristics of the converter transformer earthfault and the influence of converter commutation.