REX521GHHPSH07G ABB 保护继电器 三相电机启动监控

REX521GHHPSH07G特征

ï具有三个阶段的三相无方向过电流保护

ï三级无方向接地故障保护

ï三相不连续相位保护

ï电缆的三相热保护

ï三相变压器涌流和电机启动电流检测器

ï通电电流输入电路的监控功能

ï电流波形失真测量

ï三相电流测量

ï中性点电流测量

ï断路器累计电气断路器磨损的计算（CB）

ï瞬态扰动记录仪

ï跳闸电路监督

ï断路器故障保护（CBFP）功能的延迟跳闸输出

ï带指示的断路器控制

ï锁定功能

ï对象指示

ï逻辑控制位置选择器

ï用户可配置I/O

ï联锁

ï用户可配置的报警LED


REX521GHHPSH07G的B02标准配置设计用于单母线使用一个断路器进行选择性短路保护、时间过电流保护、接地故障保护和自动重合闸的系统。这个配置可以用于不同类型的网络，例如径向隔离网络中性网络、固定接地网络、电阻接地网络和谐振接地网络。REX521GHHPSH07G的M01标准配置设计用于单母线使用一个断路器进行选择性短路、时间过电流和固定接地的径向隔离中性网络的定向接地故障保护网络、电阻接地网络和谐振接地网络。

The B02 standard configuration of REX521GHHPSH07G is designed for the system of selective short circuit protection, time overcurrent protection, ground fault protection and automatic reclosing for single bus using a circuit breaker. This configuration can be used for different types of networks, such as radial isolation network neutral network, fixed grounding network, resistance grounding network and resonant grounding network. The M01 standard configuration of REX521GHHPSH07G is designed for the directional grounding fault protection network, the resistance grounding network and the resonant grounding network of the radial isolated neutral network with a single bus using a circuit breaker for selective short circuit, time overcurrent and fixed grounding.