GE Multilin SR750-P5-G5-S5-HI-A20-R是一款多线750馈线管理继电器：

一、产品概述

SR750-P5-G5-S5-HI-A20-R是通用电气（GE）公司生产的发电机管理继电器，属于GE Multilin的750系列。该产品主要用于监测和管理发电机系统，确保其稳定、高效、安全地运行。

二、主要功能

监测功能：能够监测发电机的各项参数，包括电压、电流、频率等，以便及时发现并解决任何可能影响发电机正常运行的问题。

管理功能：可用于定义保护元件、收集系统数据、定义输出触点通电、定义断路器闭合以及定义断路器监控。

监控功能：可执行如延时、断路器定时、报警和跳闸值以及最小值和最大值等监控功能。

通信接口：具有通信接口，能够与其他设备、监控系统或控制系统进行数据交换，实现更高级别的系统集成和远程监控。

远程监控：支持远程监控功能，用户可以通过网络或其他通信手段实时监视发电机系统的状态，提高管理的便捷性和效率。

自动化：具有自动化功能，可根据设定的条件自动执行相应的操作，如切换备用发电机等，降低人为操作的错误率和复杂性。

三、技术规格

电流输入：具有750A相电流输入、5A零序电流输入和5A敏感接地电流输入。

控制功率：额定控制功率为88至300VDC或70至265VAC，频率为48至62Hz。

模拟输出：具有4个20-<>mA模拟输出。

设定点菜单：提供可编程设定点菜单导航，用户可通过键盘浏览现场菜单，对计量、状态、维护、跳闸计数器、电弧电流和其他设置进行直接访问。

安全性：提供硬件和密码安全功能，确保未经授权的更改被锁定，提高系统的安全性。

四、应用场景

SR750-P5-G5-S5-HI-A20-R继电器广泛应用于各种需要发电机管理和监控的场合，如工厂、电力站、数据中心等。

GE Multilin SR750-P5-G5-S5-HI-A20-R is a multi line 750 feeder management relay. The following is a detailed introduction to the product:

1、 Product Overview

SR750-P5-G5-S5-HI-A20-R is a generator management relay produced by General Electric (GE) and belongs to the GE Multilin 750 series. This product is mainly used for monitoring and managing generator systems to ensure their stable, efficient, and safe operation.

2、 Main functions

Monitoring function: It can monitor various parameters of the generator, including voltage, current, frequency, etc., in order to timely detect and solve any problems that may affect the normal operation of the generator.

Management function: can be used to define protective components, collect system data, define output contact point power, define circuit breaker closure, and define circuit breaker monitoring.

Monitoring function: It can perform monitoring functions such as delay, circuit breaker timing, alarm and trip values, as well as minimum and maximum values.

Communication interface: It has a communication interface that can exchange data with other devices, monitoring systems, or control systems, achieving higher-level system integration and remote monitoring.

Remote monitoring: Supports remote monitoring function, allowing users to monitor the status of the generator system in real time through network or other communication means, improving the convenience and efficiency of management.

Automation: It has automation functions and can automatically perform corresponding operations according to set conditions, such as switching backup generators, reducing the error rate and complexity of human operations.

3、 Technical specifications

Current input: It has 750A phase current input, 5A zero sequence current input, and 5A sensitive grounding current input.

Control power: The rated control power is 88 to 300VDC or 70 to 265VAC, with a frequency of 48 to 62Hz.

Analog output: It has 4 20<>mA analog outputs.

Setpoint menu: Provides programmable Setpoint menu navigation, allowing users to browse on-site menus through the keyboard and directly access metering, status, maintenance, trip counters, arc current, and other settings.

Security: Provide hardware and password security features to ensure unauthorized changes are locked and enhance system security.

4、 Application scenarios

SR750-P5-G5-S5-HI-A20-R relay is widely used in various occasions that require generator management and monitoring, such as factories, power stations, data centers, etc.