The Proceedings of the Transportation and Logistics Conference
Online ISSN : 2424-3175
2018.27
Session ID : 2405
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The resolution of unnecessary relay operation of 67G at Kawasaki substation
*Takeyasu NakazawaKeiya OoishiHideo Zama
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Abstract
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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© 2018 The Japan Society of Mechanical Engineers
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