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345KV #2 BUS67 電驛協會會刊19 期 345KV 輸電線保護電驛汰換為數位式保護電驛紹 (1)52a 接點:Normal open,CB 投入 後接點閉合。 Group A(原E/M 電驛更換為SEL-311C+SEL-311L)
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