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发电机差动保护调试

发电机差动保护调试. 保护初始值 差动速切 ON 差动保护 ON 速切值 3.066A 差动门槛 0.476A 平衡系数 1.001A 制动门槛 1.567A 额定电流 1.001A 差动比例系数 0.504A. 求平衡系数高压侧加 1A. 差动平衡系数 制动平衡系数 A.0.913A 0.919A B.0.940A 0.945A C.0.933A 0.919A.

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发电机差动保护调试

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  1. 发电机差动保护调试 • 保护初始值 • 差动速切ON 差动保护ON • 速切值3.066A 差动门槛 0.476A • 平衡系数 1.001A 制动门槛 1.567A • 额定电流1.001A 差动比例系数 0.504A

  2. 求平衡系数高压侧加1A • 差动平衡系数 制动平衡系数 • A.0.913A 0.919A • B.0.940A 0.945A • C.0.933A 0.919A

  3. 在低压侧加1A电流 差动平衡系数 制动平衡系数 A.0.981A 0.981A B.0.994A 0.994A C.0.960A 0.967A

  4. 求差动比例系数三相加1倍额定电流（1A）

  5. 差动电流 制动电流 • A.1.315A 3.243A • B.1.383A 3.332A • C.1.356A 3.271A

  6. 三相加两倍的额定电流（2A）

  7. 差动电流 制动电流 • A.3.386A 7.312A • B.3.366A 7.319A • C.3.386A 7.339A

  8. 制动比例特性图 • 差动比例系数计算 差动比例系数计算

  9. 谢谢阅读

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