ABB 3BHE014557R0003 UN1000B-Z, V3 Microprocessor Based Automatic Voltage Regulator

Description

The ABB 3BHE014557R0003 UN1000B-Z,V3 is a component used in ABB excitation systems for generator control applications. It is part of the UN1000 series, which is designed for excitation and voltage regulation tasks in power generation systems where stable generator operation and precise control are required.The UN1000B-Z,V3 module is integrated into the excitation control structure to support the regulation of generator field current and maintain the required voltage performance during different operating conditions. It works together with other excitation system components to manage generator output and provide coordinated control within the power system. Built for industrial power applications, the 3BHE014557R0003 is used in generator installations where continuous operation, accurate control response, and system availability are important factors. As part of the ABB excitation system platform, the UN1000B-Z,V3 supports maintenance and replacement requirements for existing generator control systems. Its compatibility with ABB excitation equipment allows users to maintain established system configurations while ensuring continued operation of generator control functions.

Parameter

Model: 3BHE014557R0003 UN1000B-Z, V3 Microprocessor Based Automatic Voltage Regulator
Input Voltage Range: 0 to 300 VDC / AC (Main power/measurement feed)
Continuous Output Current: 15 A DC (Nominal excitation current output)
Peak Ceiling Current (10s): 14 A DC to 30 A DC (Depending on source configuration ceiling)
Internal Aux Source Out: 24 VDC, Max 300 mA (For powering local loops)
Line Voltage Measurement: Max 150 V / Burden 0.2 VA
Operating Temperature: -20°C to +55°C (Standard operating environment)
Storage Temperature: -40°C to +70°C

Frequently asked questions

What is the ABB 3BHE014557R0003 UN1000B-Z, V3?
The ABB 3BHE014557R0003 (UN1000B-Z, V3) is a controller used in the UNITROL® 1000 Automatic Voltage Regulator (AVR) platform. It is designed to control the excitation of synchronous generators, helping maintain stable generator terminal voltage and reliable excitation system performance.

Which applications use the ABB 3BHE014557R0003?
The module is used in UNITROL® 1000 excitation systems for synchronous generators installed in industrial power plants, diesel and gas generator sets, small hydropower stations, marine electrical systems, and captive power facilities.

What industries commonly use the ABB 3BHE014557R0003?
It is commonly applied in power generation, marine power systems, industrial cogeneration plants, renewable energy facilities, and other installations using synchronous generators with ABB UNITROL® excitation systems.

Application areas:
Thermal and Hydro Power Stations: Serves as the localized digital excitation loop controller for auxiliary or main turbine-driven generator sets.
Power Factor Correction: Operates industrial synchronous motors in over-excited modes to act as synchronous condensers, effectively correcting the poor power factor caused by massive neighboring induction motors.
Data Centers & Hospitals: Integrated into large-scale backup diesel generator units to ensure instantaneous, stable, and clean voltage regulation during a grid blackout.

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