本文提出了一种利用微机软件实现的变压器差动保护电流回路断线闭锁方案。
A blocking scheme for current circuit break in differential protection system of transformers performed by software of micro-computer is proposed in this paper.
检查相应控制回路是否断线或接触不良。
Check whether the control circuit is disconnected or contacted well.
简述TN - C系统中性线的作用，两个单相回路共用中性线的电路分析，中性线断线后的危害以及在实际应用中需采取的保证措施。
This paper simply mentions the function of TN-C system neuter line, the circuit analysis of two single-phase circuit in common the neuter line.
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