Protective relay - protective relay
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A protective device used to prevent a power line fault from spreading to other parts by activating circuit breakers installed at various parts of the line when a fault or abnormality occurs in the power line. (→ Relay) Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
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送電線路の故障や異常事態が発生したとき，線路の各部に設備されている遮断器を作動させ，送電線路の故障がほかに及ぶのを防止するために用いる保護装置。 (→継電器 )
出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報 |
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