ding to the three-phase short circuit situation; Choose the bus bar and electrical equipment needed according to the normal work condition, and verify them in three-phase short circuit situation.To chooses according to the short circuit condition. The electrical equipment selected in this design including: Circuit breakers, isolator, bus bar, voltage transformer, and lighting arrester; Then carrie on the reasonable high voltage power distribution equipment plan design as well as the lighting protecting. This design's key research question is the choice of the main electrical line, the calculation of the short-circuit current as well as various electrical equipment's choice and the verification.РKey words: Hydropower plant;Electrical main wiring; РShort-circuit current; Electrical equipment
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