描述

SR489-P1-LO-A20-E 可以控制發(fā)電機的輸出電壓和頻率，確保它們符合規(guī)定的范圍

SR489-P1-LO-A20-E是由GE Multilin為489系列制造的發(fā)電機管理繼電器。該繼電器有5個A相CT次級，控制電源為90-300 VDC和70265 VAC，頻率為48-62 Hz，模擬輸出為4至20 mA。該繼電器具有增強型顯示屏，LCD比基本顯示屏更大，惡劣的環(huán)境保形涂層可保護(hù)該裝置免受化學(xué)品的影響。輸出狀態(tài)LED指示燈包括1跳閘、2輔助、3輔助、4輔助、5報警和6服務(wù)，發(fā)電機狀態(tài)LED指示燈包括斷路器斷開、斷路器閉合、定子過熱、負(fù)極、順序、接地、磁場損失、VT故障和斷路器故障，489狀態(tài)LED指示燈包括489在用、設(shè)定點訪問、計算機RS232、計算機RS485/輔助RS485、備用設(shè)定點、可能復(fù)位和消息。

發(fā)電機管理繼電器是一種用于管理發(fā)電機的設(shè)備，具有多種功能，例如控制發(fā)電機組的啟動和停止、監(jiān)測發(fā)電機的運行狀態(tài)和故障等。以下是關(guān)于SR489-P1-LO-A20-E發(fā)電機管理繼電器的一些關(guān)鍵信息：

控制功能：發(fā)電機管理繼電器具有控制發(fā)電機組啟動和停止的功能。當(dāng)電網(wǎng)停電或發(fā)電機出現(xiàn)故障時，該設(shè)備可以快速啟動發(fā)電機組，確保電力供應(yīng)的穩(wěn)定性。此外，它還可以控制發(fā)電機的輸出電壓和頻率，確保它們符合規(guī)定的范圍。
保護(hù)功能：發(fā)電機管理繼電器具有過載、缺相、過流等保護(hù)功能，可以有效地保護(hù)發(fā)電機和電路，減少故障和損壞。
監(jiān)測功能：發(fā)電機管理繼電器可以監(jiān)測發(fā)電機的運行狀態(tài)和故障，例如監(jiān)測發(fā)電機的電壓、電流、頻率、溫度等參數(shù)是否正常。如果發(fā)現(xiàn)異常情況，該設(shè)備會立即發(fā)出警報，以便工作人員及時處理。
自動化控制：發(fā)電機管理繼電器通常具有自動化控制功能，可以通過預(yù)設(shè)的程序或與上位機的通訊，實現(xiàn)發(fā)電機的自動化控制。這可以減少人工干預(yù)和操作錯誤，提高電力供應(yīng)的穩(wěn)定性和可靠性。
易于維護(hù)：發(fā)電機管理繼電器通常采用模塊化設(shè)計，安裝、調(diào)試、維護(hù)都較為方便。同時，它也具有較長的使用壽命和較少的維護(hù)成本。
總之，發(fā)電機管理繼電器是一種重要的設(shè)備，它可以確保電力供應(yīng)的穩(wěn)定性和可靠性，保護(hù)發(fā)電機和電路的安全。

SR489-P1-LO-A20-E 可以控制發(fā)電機的輸出電壓和頻率，確保它們符合規(guī)定的范圍

The SR489-P1-LO-A20-E is a generator management relay manufactured by GE Multilin for the 489 series. The relay has five A-phase CT secondary, control power supply of 90-300 VDC and 70265 VAC, frequency of 48-62 Hz, analog output of 4 to 20 mA. The relay has an enhanced display with a larger LCD than the basic display, and a harsh environmental conformal coating protects the unit from chemicals. Output status LED indicators include 1 trip, 2 assist, 3 assist, 4 assist, 5 alarm and 6 service, generator status LED indicators include circuit breaker open, circuit breaker close, stator overheating, negative, sequence, ground, magnetic field loss, VT fault and circuit breaker fault, 489 Status LED indicators include 489 active, set point access, computer RS232, computer RS485/ auxiliary RS485, alternate set point, possible reset, and message.

A generator management relay is a device used to manage a generator, with a variety of functions, such as controlling the start and stop of the generator set, monitoring the operating status and failure of the generator, etc. Here are some key information about the SR489-P1-LO-A20-E generator management relay:

Control function: The generator management relay has the function of controlling the generator set to start and stop. When the power grid fails or the generator fails, the device can quickly start the generator set to ensure the stability of the power supply. In addition, it can control the output voltage and frequency of the generator to ensure that they comply with the specified range.
Protection function: The generator management relay has overload, phase loss, overcurrent and other protection functions, which can effectively protect the generator and circuit to reduce failure and damage.
Monitoring function: The generator management relay can monitor the operating status and failure of the generator, such as monitoring whether the voltage, current, frequency, temperature and other parameters of the generator are normal. If an abnormal situation is detected, the device will immediately sound an alarm so that the staff can deal with it in a timely manner.
Automatic control: The generator management relay usually has an automatic control function, which can realize the automatic control of the generator through a preset program or communication with the host computer. This can reduce human intervention and operational errors, and improve the stability and reliability of the power supply.
Easy maintenance: The generator management relay is usually modular design, installation, commissioning, maintenance are more convenient. At the same time, it also has a long service life and less maintenance costs.
In short, the generator management relay is an important device that can ensure the stability and reliability of the power supply and protect the safety of the generator and circuit.

公司介紹：
成都陽光不斷創(chuàng)新致力于提升停產(chǎn)的自動化零件供應(yīng)水平，無論客戶身處何地，無論所需配件多么稀有，我們總能將客戶與所需產(chǎn)品緊密連接 ，成都陽光零部件覆蓋廣泛。
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Company Introduction:
Chengdu Sunshine Xihe Co., Ltd. specializes in one-stop procurement consulting for imported industrial spare parts, offering original equipment and professional discontinued parts services. We are committed to providing efficient and reliable automation solutions for our customers. Customer support fast responseThe network of partners spans all continentsGlobal partner networkAlways achieve more delivery, be it parts, service or speed



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