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适用范围:本系列微机发电机保护装置适用于 100MW 及以下的汽轮发电机、水轮发电机、燃汽轮发电机等, 并能满足电厂自动化系统的要求。保护出口逻辑均可整定。
功 能 及 硬 件 配 置
型号/功能
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WFH-31A/01 |
WFH-31A/03 |
WFH-31A/05 |
WFH-32A/01 |
WFH-32A/02 |
WFH-32A/03 |
WFH-32A/04 |
WFH-32A/05 |
WFB-31A/01 |
发变组差动保护 |
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√ |
发电机纵联差动保护 |
√ |
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√ |
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单元件横差保护 |
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√ |
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√ |
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纵向零序电压匝间保护 |
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√ |
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√ |
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基波零序电压95%定子接地保护 |
√ |
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√ |
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三次谐波电压100%定子接地保护 |
√ |
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√ |
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发电机3I0定子接地保护 |
√ |
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√ |
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转子一点接地保护 |
√ |
√ |
√ |
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√ |
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转子两点接地保护 |
√ |
√ |
√ |
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√ |
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失磁保护 |
√ |
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√ |
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复合电压闭锁过流(保持)保护 |
√ |
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√ |
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过电压保护 |
√ |
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√ |
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调相失压保护 |
√ |
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√ |
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过频保护 |
√ |
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√ |
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低频保护 |
√ |
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√ |
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频率积累保护 |
√ |
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√ |
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定时限对称过负荷保护 |
√ |
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定、反时限过励磁保护 |
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逆功率保护 |
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程序逆功率保护 |
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有功功率监视 |
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电压(TV)断线 |
√ |
√ |
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√ |
√ |
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电流(TA)断线 |
√ |
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√ |
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外部联锁跳闸(非电量)保护 |
√ |
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√ |
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三相操作回路 |
√ |
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控制开出 |
√ |
√ |
√ |
√ |
√ |
√ |
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多套定值 |
√ |
√ |
√ |
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√ |
√ |
√ |
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CAN 网 |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
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RS485 网 |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
可整定的出口矩阵 |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
开入 |
36 |
11 |
2 |
12 |
12 |
12 |
12 |
12 |
12 |
开出(跳闸出口/信号出口) |
17/18 |
8/7 |
2/4 |
9/8 |
9/8 |
9/8 |
9/8 |
9/8 |
9/8 |
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