在对现有输电线路电流差动保护判据研究的基础上， 提出了一种归一化电流差动保护判据。
On the basis of analyzing existing criteria for current differential protection of transmission line, a normalized criterion for current differential protection is proposed.
介绍将电压、电流、电阻归一化测量的自动量程转换电路及主要软件流程。
This paper introduces the automatic range conversion circuit of voltage, current and resistance normalized measure and the working process of software.
且本实用新型由于使用了归一化的全桥整流，故此流向电源系统的功率因数为1，电流将会大大下降。
Since the utility model adopts the normalized full-bridge commutation, the power factor flowing to the electrical source system is 1, and the current can be reduced greatly.
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