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GE Multilin SR750-P5-G5-S5-HI-A20-R是一款多線(xiàn)750饋線(xiàn)管理繼電器：

一、產(chǎn)品概述

SR750-P5-G5-S5-HI-A20-R是通用電氣（GE）公司生產(chǎn)的發(fā)電機(jī)管理繼電器，屬于GE Multilin的750系列。該產(chǎn)品主要用于監(jiān)測(cè)和管理發(fā)電機(jī)系統(tǒng)，確保其穩(wěn)定、高效、安全地運(yùn)行。

二、主要功能

監(jiān)測(cè)功能：能夠監(jiān)測(cè)發(fā)電機(jī)的各項(xiàng)參數(shù)，包括電壓、電流、頻率等，以便及時(shí)發(fā)現(xiàn)并解決任何可能影響發(fā)電機(jī)正常運(yùn)行的問(wèn)題。

管理功能：可用于定義保護(hù)元件、收集系統(tǒng)數(shù)據(jù)、定義輸出觸點(diǎn)通電、定義斷路器閉合以及定義斷路器監(jiān)控。

監(jiān)控功能：可執(zhí)行如延時(shí)、斷路器定時(shí)、報(bào)警和跳閘值以及最小值和最大值等監(jiān)控功能。

通信接口：具有通信接口，能夠與其他設(shè)備、監(jiān)控系統(tǒng)或控制系統(tǒng)進(jìn)行數(shù)據(jù)交換，實(shí)現(xiàn)更高級(jí)別的系統(tǒng)集成和遠(yuǎn)程監(jiān)控。

遠(yuǎn)程監(jiān)控：支持遠(yuǎn)程監(jiān)控功能，用戶(hù)可以通過(guò)網(wǎng)絡(luò)或其他通信手段實(shí)時(shí)監(jiān)視發(fā)電機(jī)系統(tǒng)的狀態(tài)，提高管理的便捷性和效率。

自動(dòng)化：具有自動(dòng)化功能，可根據(jù)設(shè)定的條件自動(dòng)執(zhí)行相應(yīng)的操作，如切換備用發(fā)電機(jī)等，降低人為操作的錯(cuò)誤率和復(fù)雜性。

三、技術(shù)規(guī)格

電流輸入：具有750A相電流輸入、5A零序電流輸入和5A敏感接地電流輸入。

控制功率：額定控制功率為88至300VDC或70至265VAC，頻率為48至62Hz。

模擬輸出：具有4個(gè)20-<>mA模擬輸出。

設(shè)定點(diǎn)菜單：提供可編程設(shè)定點(diǎn)菜單導(dǎo)航，用戶(hù)可通過(guò)鍵盤(pán)瀏覽現(xiàn)場(chǎng)菜單，對(duì)計(jì)量、狀態(tài)、維護(hù)、跳閘計(jì)數(shù)器、電弧電流和其他設(shè)置進(jìn)行直接訪問(wèn)。

安全性：提供硬件和密碼安全功能，確保未經(jīng)授權(quán)的更改被鎖定，提高系統(tǒng)的安全性。

四、應(yīng)用場(chǎng)景

SR750-P5-G5-S5-HI-A20-R繼電器廣泛應(yīng)用于各種需要發(fā)電機(jī)管理和監(jiān)控的場(chǎng)合，如工廠、電力站、數(shù)據(jù)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.