GE SR489-P5-HI-A20-E 高精度发电机管理继电器

GE SR489-P5-HI-A20-E 高精度发电机管理继电器

GE SR489-P5-HI-A20-E 是电力系统发电机保护领域的核心设备，专为复杂工况下的高精度监测与快速响应设计。这款继电器采用GE独有的Multilin保护算法，可实时监控电流、电压等关键参数，具备过载、短路、不平衡等多种故障诊断能力。其±1%满量程的测量精度配合智能预警系统，能有效预防突发性电力事故，特别适用于火电、水电及新能源发电场景。

产品定位与核心功能

作为GE能源解决方案的明星产品，SR489-P5-HI-A20-E集成了数字式保护、智能诊断和远程通信三大核心功能。其模块化设计支持IEC 61850协议，可无缝接入智能电网系统。独特的热模型曲线偏置技术能精准模拟发电机温升特性，配合Enervista 489PC软件实现毫秒级故障定位。设备通过IP40/IP10双重防护认证，适应海拔2000米以下的严苛工业环境。

技术参数详解

产品优势与品牌矩阵

该继电器通过UL、CE等国际认证，配备背光LCD显示屏和双通道通信接口，支持Modbus TCP/IP协议。配套的Enervista软件提供可视化配置界面，维护效率提升40%。作为专业工控产品经销商，我们同时供应ABB AC800PEC、GE VMIVME-7807、Bently Nevada 3500/44等全系列备件，提供24小时技术支援和三年质保服务。

Product Overview & Features (English)

The GE SR489-P5-HI-A20-E is a high-precision generator management relay designed for critical power system protection. This device employs advanced Multilin protection algorithms to monitor generator parameters with ±1% full-scale accuracy. Its comprehensive protection functions include overload detection, voltage monitoring, and fault diagnostics, making it ideal for thermal power, hydropower, and renewable energy applications.

Engineered for industrial environments up to 2000 meters altitude, the relay features dual IP40/IP10 enclosures and supports IEC 61850 communication protocols. The integrated thermal model biasing technology simulates generator heating characteristics, while the Enervista 489PC software enables remote configuration and real-time monitoring. This device is part of GE’s comprehensive energy solutions portfolio, ensuring seamless integration with smart grid systems.