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CONTROL METHOD FOR LOAD ON SECONDARY SIDE OF POTENTIAL TRANSFORMER AND MONITORING DEVICE FOR SATURATION IN POTENTIAL TRANSFORMER
CONTROL METHOD FOR LOAD ON SECONDARY SIDE OF POTENTIAL TRANSFORMER AND MONITORING DEVICE FOR SATURATION IN POTENTIAL TRANSFORMER
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机译:电压互感器二次侧负荷的控制方法及电压互感器饱和度监测装置
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摘要
PROBLEM TO BE SOLVED: To prevent a load on the secondary side of a potential transformer used in a main circuit in equipment or a transmission/distribution system from performing erroneous and abnormal operation when the potential transformer is saturated.;SOLUTION: A control method for the load on the secondary side of the potential transformer is such that: the primary voltage of the potential transformer 2 is detected with the primary voltage detection unit 4 of a saturation monitoring device 6; when the primary voltage becomes equal to the voltage of the potential transformer 2 as is saturated, the operation of a load 3 connected with the secondary side of the potential transformer 2 is locked by the output 5 of the saturation monitoring device 6 so that it does not react on variation in the secondary voltage of the potential transformer due to the saturation.;COPYRIGHT: (C)2006,JPO&NCIPI
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