ABB REA101-AAAG PLC自动化备件模块

ABB REA101-AAAG PLC自动化备件模块

REA101弧光故障保护系统 - 主模块可利用环型或辐射型光纤传感器，或者是透镜传感器进行光检测。每个 REA101 模块还配备了两个扩展端口。每个端口上最多连有五个扩展模块。通过光纤连链路通信或REA105 中间扩展模块，可将 REA101 的多个模块进行互联。

REA101弧光故障保护系统 - 主模块带有两个高速、隔电、绝缘栅双极型晶体管（IGBT）输出设备（HSO1 and HSO2），可用于断开断路器。此外，REA 101 还提供了重载继电器输出（TRIP3），可用作断路器失灵保护（CBFP）跳上游断路器或告警输出。

REA101弧光故障保护系统 - 主模块具有可调节的三相过流或两相和中性点过电流状态监视功能，通过消除与电弧故障无关的光，如摄影闪光灯所引起的不必要的断路器跳闸，该功能可以提高弧光故障检测可靠性。

REA101弧光故障保护系统 - 主模块内置的自检系统可以同时监视运行电压、主模块和扩展模块之间布线的完好性，以及主模块间的光纤连接。一旦检测到故障或异常状况，自检系统便向运行人员发出告警。检测到故障后，系统将闭锁模块从而防止由此引起的误动作。

ABB REA101-AAAG PLC自动化备件模块

REA101 Arc Fault Protection System - The main module can use ring or radiant fiber optic sensors, or lens sensors for light detection. Each REA101 module is also equipped with two expansion ports. Each port is connected to a maximum of five expansion modules. Multiple modules of the REA101 can be interconnected through optical link communication or the REA105 intermediate expansion module.

REA101 Arc Fault Protection System - The main module has two high-speed, isolated, insulated-gate bipolar transistor (IGBT) outputs (HSO1 and HSO2) that can be used to disconnect the circuit breaker. In addition, the REA 101 provides a heavy duty relay output (TRIP3) that can be used as a Circuit breaker failure protection (CBFP) jump upstream circuit breaker or an alarm output.

REA101 Arc Fault Protection System - The main module has adjustable three-phase overcurrent or two-phase and neutral overcurrent status monitoring, which improves the reliability of arc fault detection by eliminating unnecessary circuit breaker trips caused by light unrelated to arc faults, such as photographic flash.

REA101 Arc Fault Protection System - The self-check system built into the main module can simultaneously monitor the operating voltage, the integrity of the cabling between the main and expansion modules, and the optical fiber connection between the main modules. Once a fault or abnormal condition is detected, the self-test system sends an alarm to the operator. When a fault is detected, the system locks the module to prevent the resulting misoperation.

ABB REA101-AAAG PLC自动化备件模块

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