描述
GE SR489-P5-HI-A20-E是GE Multilin制造的发电机管理继电器，属于489发电机管理系列，以下是其产品详情：
核心功能
保护功能
实时监测发电机运行参数（电压、电流、频率、功率等），当参数超出安全范围时，自动触发保护动作（如断开电源或启动报警），防止设备损坏。
控制功能
支持发电机启动、停止、切换等操作，可根据预设逻辑或外部信号调整运行状态，确保电力系统稳定运行。
可编程性
用户可通过参数设置和逻辑编程自定义继电器功能，适应不同发电机系统和运行环境需求。
通信功能
支持Modbus、Profibus等工业通信协议，实现与其他设备或系统的数据交换与远程监控。
故障诊断与报警
内置跳闸保护、断路器故障检测、脱扣线圈监控等功能，实时反馈设备状态。
技术参数
控制功率：支持90-300 VDC和70-265 VAC（48-62 Hz）输入。
电流互感器（CT）次级：5A相配置。
模拟输出：4-20 mA标准信号。
显示屏：升级版大尺寸LCD，提升操作便捷性。
软件支持：兼容Enervista 489PC软件，支持PC端交互与编程。
扩展功能：集成闪存、VT保险丝故障检测等模块化功能。
环境适应性：满足工业级宽温、高湿、强振动等恶劣环境运行要求。
应用场景
发电机保护与控制
适用于燃煤、燃气、水力等各类发电机的核心保护与运行控制。
电力系统监控
通过数据采集与分析，优化电网稳定性与电能质量。
工业自动化集成
与DCS、PLC等系统无缝对接，实现全厂自动化管理。
新能源发电
支持风电、光伏等分布式能源系统的发电机状态监测与保护。
GE SR489-P5-HI-A20-E is a generator management relay manufactured by GE Multilin.It belongs to the 489 generator management series.The following are its product details:
Core functions
Protection function
Real-time monitoring of generator operating parameters(voltage,current,frequency,power,etc.).When the parameters exceed the safe range,the protection action(such as disconnecting the power supply or starting the alarm)is automatically triggered to prevent equipment damage.
Control function
Supports operations such as generator start,stop,and switch.The operating status can be adjusted according to preset logic or external signals to ensure stable operation of the power system.
Programmability
Users can customize relay functions through parameter settings and logic programming to adapt to different generator systems and operating environment requirements.
Communication function
Supports industrial communication protocols such as Modbus and Profibus to achieve data exchange and remote monitoring with other devices or systems.
Fault diagnosis and alarm
Built-in trip protection,circuit breaker fault detection,trip coil monitoring and other functions,real-time feedback of equipment status.
Technical parameters
Control power:supports 90-300 VDC and 70-265 VAC(48-62 Hz)input.
Current transformer(CT)secondary:5A phase configuration.
Analog output:4-20 mA standard signal.
Display:Upgraded large-size LCD to improve operation convenience.
Software support:Compatible with Enervista 489PC software,supporting PC-side interaction and programming.
Extended functions:Integrated flash memory,VT fuse fault detection and other modular functions.
Environmental adaptability:Meet the operating requirements of harsh environments such as industrial-grade wide temperature,high humidity,and strong vibration.
Application scenarios
Generator protection and control
Applicable to the core protection and operation control of various types of generators such as coal-fired,gas-fired,and hydropower.
Power system monitoring
Optimize grid stability and power quality through data collection and analysis.
Industrial automation integration
Seamlessly connect with DCS,PLC and other systems to achieve full-plant automation management.
New energy power generation
Supports generator status monitoring and protection of distributed energy systems such as wind power and photovoltaic power.
