川崎変電所の６７Ｇ不要動作の解消について

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  • The resolution of unnecessary relay operation of 67G at Kawasaki substation

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A high-voltage bus No.2 was performed at Kawasaki substation for its improvement work. After beginning of use, an unnecessary 67G relay operation was occurred when a change of system was taken place. We discovered this phenomenon was happened because of unbalanced three-phase, and undertake interim and reform measure.

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