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衡量继电器的好坏最主要看什么
更新时间: 2020-11-09 00:00:00  

衡量继电器的好坏最主要看其是否具有选择性、速动性、灵敏性、可靠性,即保护四性。其中灵敏性和可靠性是相互矛盾的,选择性和速动性又是相互矛盾的。具体原因可查看相关书籍解释。

关键词: 衡量 继电器 好坏 主要 什么

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