UNS4881b,V4 3BHE009949R0004 ABB Unit 5000 AVR unit

Product Description:

UNS4881b,V4 3BHE009949R0004 is an AVR(automatic voltage regulator)unit in ABB’s Unitrol 5000 series.The AVR unit is an important component of the generator excitation system,used to automatically regulate the output voltage of the generator,ensuring its stability and matching with the grid voltage.

Series:

This product belongs to ABB’s Unitrol 5000 series,which is a complete excitation solution for large generators.

Features:

Highly integrated:It integrates functions such as voltage detection,control algorithms,and output signals,achieving a compact and efficient design.

Quick response:able to quickly detect voltage changes and make corresponding adjustments to ensure the stability of the generator output voltage.

Stable and reliable:After strict testing and verification,it ensures stable operation under various working conditions.

Easy to configure and maintain:Provides a user-friendly interface and diagnostic functions,facilitating user configuration and troubleshooting.

Function:

The main function of the AVR unit is to automatically regulate the output voltage of the generator,ensuring that it matches the voltage of the power grid,thereby improving the stability and efficiency of the power system.It achieves precise control of the generator output voltage by adjusting the excitation current of the generator.

Usage:

This product is mainly used in the excitation system of large generators,helping them to output stable and qualified voltage under various working conditions.It can be used in conjunction with different types of generators to meet the needs of the power system.

Application field:

This product is widely used in fields such as power systems,hydroelectric power generation,wind power generation,thermal power generation,etc.In these fields,AVR units play a crucial role in ensuring the stable operation of generator sets and the safety and reliability of the power system.Meanwhile,with the continuous development of renewable energy,the application of AVR units in fields such as wind power generation is becoming increasingly widespread.