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美國(guó)通用電氣（GE）的SR750-P5-G5-S5-HI-A20-R-E繼電器模塊是一款功能強(qiáng)大的工業(yè)自動(dòng)化設(shè)備，專為配電系統(tǒng)和管理系統(tǒng)而設(shè)計(jì)。以下是對(duì)該繼電器模塊的詳細(xì)解析：

一、產(chǎn)品概述

• 品牌與型號(hào)：美國(guó)通用電氣（GE），SR750-P5-G5-S5-HI-A20-R-E
• 平臺(tái)基礎(chǔ)：基于GE Multilin P5平臺(tái)設(shè)計(jì)
• 主要功能：監(jiān)測(cè)、控制、保護(hù)和管理配電系統(tǒng)，確保系統(tǒng)穩(wěn)定運(yùn)行

二、技術(shù)規(guī)格

• 輸入/輸出通道：
• 5個(gè)開關(guān)量輸入通道
• 5個(gè)開關(guān)量輸出通道
• 20個(gè)模擬輸入通道（用于高精度測(cè)量）
• 電源要求：
• 額定電壓：88-300VDC，70-265VAC
• 頻率范圍：48-62 Hz
• 相電流輸入：5安培
• 零序電流輸入：5安培
• 靈敏接地電流輸入：5安培
• 模擬輸出：八個(gè)4-20 mA模擬輸出

三、功能與特性

1. 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，確保及時(shí)發(fā)現(xiàn)并解決潛在問題。
• 顯示屏提供清晰簡(jiǎn)明的信息，包括“斷路器閉合”LED指示燈，確保電氣系統(tǒng)正常運(yùn)行。
2. 保護(hù)功能：
• 提供過流保護(hù)、過壓保護(hù)、欠壓保護(hù)等多種保護(hù)功能，確保負(fù)載安全運(yùn)行。
• 具有自動(dòng)總線傳輸和同步檢查功能，反向電源保護(hù)和受限接地故障保護(hù)功能。
3. 通信與接口：
• 配備多個(gè)網(wǎng)絡(luò)接口，包括以太網(wǎng)、RS232、RS485和RS422端口，支持Modbus RTU、TCP/IP和DNP 3.0等協(xié)議。
• 可與其他設(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。
4. 控制與操作：
• 提供可編程設(shè)定點(diǎn)菜單導(dǎo)航，用戶可通過鍵盤瀏覽現(xiàn)場(chǎng)菜單，直接訪問計(jì)量、狀態(tài)、維護(hù)、跳閘計(jì)數(shù)器、電弧電流等設(shè)置。
• 支持本地和遠(yuǎn)程控制，后端口允許連接到分布式控制系統(tǒng)、PLC或SCADA系統(tǒng)。
5. 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

該繼電器模塊廣泛應(yīng)用于電力、石化、冶金等領(lǐng)域，特別適用于需要高可靠性和精確監(jiān)測(cè)的配電系統(tǒng)。它不僅能夠提高系統(tǒng)的穩(wěn)定性和安全性，還能通過遠(yuǎn)程監(jiān)控和自動(dòng)化控制降低運(yùn)維成本。

The SR750-P5-G5-S5-HI-A20-R-E relay module from General Electric (GE) is a powerful industrial automation device designed specifically for power distribution and management systems. The following is a detailed analysis of the relay module:

1、 Product Overview

Brand and Model: General Electric (GE), USA, SR750-P5-G5-S5-HI-A20-R-E

Platform foundation: Designed based on GE Multilin P5 platform

Main function: Monitor, control, protect, and manage the power distribution system to ensure stable operation of the system

2、 Technical specifications

Input/output channels:

5 switch input channels

5 switch output channels

20 analog input channels (for high-precision measurement)

Power requirements:

Rated voltage: 88-300VDC, 70-265VAC

Frequency range: 48-62 Hz

Phase current input: 5 amperes

Zero sequence current input: 5 amperes

Sensitive grounding current input: 5 amperes

Analog output: Eight 4-20 mA analog outputs

3、 Function and Features

Monitoring function:

Capable of monitoring various parameters of the generator, including voltage, current, frequency, etc., to ensure timely detection and resolution of potential problems.

The display screen provides clear and concise information, including the "circuit breaker closed" LED indicator light, to ensure the normal operation of the electrical system.

Protection function:

Provide multiple protection functions such as overcurrent protection, overvoltage protection, and undervoltage protection to ensure safe operation of the load.

It has automatic bus transmission and synchronization check functions, reverse power protection, and limited ground fault protection functions.

Communication and Interface:

Equipped with multiple network interfaces, including Ethernet, RS232, RS485, and RS422 ports, supporting protocols such as Modbus RTU, TCP/IP, and DNP 3.0.

It can exchange data with other devices, monitoring systems, or control systems to achieve higher-level system integration and remote monitoring.

Control and operation:

Provide programmable setpoint menu navigation, allowing users to browse on-site menus through the keyboard and directly access settings such as metering, status, maintenance, trip counter, arc current, etc.

Supports local and remote control, and the rear port allows connection to distributed control systems, PLCs, or SCADA systems.

Security:

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

4、 Application scenarios

This relay module is widely used in fields such as power, petrochemicals, metallurgy, etc., and is particularly suitable for distribution systems that require high reliability and precise monitoring. It can not only improve the stability and security of the system, but also reduce operation and maintenance costs through remote monitoring and automated control.

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