产品详情
技术说明：REM545BG225AAAA 机器终端 用作发电机和发电机-变压器单元的主保护系统
REM 545机器终端在中小型柴油、水力和蒸汽发电厂中用作发电机和发电机-变压器单元的主保护系统。另一个应用领域是大型和/或重要的中压同步和异步电机的保护，例如在启动和正常运行期间用于泵、磨机和破碎机。
REM 545的保护功能设计用于旋转电机的选择性短路和接地故障保护。与大多数其他电力系统组件不同，旋转电机还需要针对异常运行条件进行保护，例如过电流、不平衡负载、过热、过压、过励磁和欠励磁、欠阻抗、过频和欠频以及发电机电动。对于电机保护启动监控，还有失速保护和累计启动计数器功能。
范围
- 机器保护继电器
产品优势
- 电机和发电机的广泛保护
- 可编程逻辑功能(PLC)
- 用于快速无干扰通信的光通信
- 灵活的连接和IEC 61850支持
- 经认证可用于海洋和近海用途
产品特性
- 通过传统测量变压器或电流传感器和分压器进行电压和电流测量
- 通过SPA-ZC 400适配器支持IEC 61850协议
- 25个二进制输入和18个输出继电器和可选的RTD
REM545M
The REM 545 machine terminals are used as the main protection system of generator and generator-transformer units in small and medium-power diesel, hydroelectric and steam power plants. The protection for large and/or important MV synchronous and asynchronous motors used, for example, in pumps, mills and crushers during start-up and normal run forms another application area.
The protection functions of REM 545 are designed for selective short-circuit and earth-fault protection of rotating machines. Unlike most other power system components, rotating machines also need protection against abnormal operating conditions such as over-current, unbalanced load, over-temperature, over-voltage, over and under-excitation, under-impedance, over- and under-frequency and generator motoring. For motor protection start-up supervision, there are also stall protection and cumulative start-up counter features.
Scope
- Machine protection relay
Product benefits
- Extensive protetion for motors and generators
- Programmable logic functions (PLC)
- Optical communication for fast disturbance-free communication
- Flexible connectivity and IEC 61850 support
- Certified for marine and off-shore use
Product features
- Voltage and current measurement via conventional measuring transformers or current sensors and voltage dividers
- Support for IEC 61850 protocol through the SPA-ZC 400 adapter
- 25 binary inputs and 18 output relays and optional RTD
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