Description
ABB UNITROL 1000 AUTOMATIC VOLTAGE REGULATOR 3BHE005774R0003 (PARTS ONLY)
ABB
UNITROL 1000
AUTOMATIC VOLTAGE REGULATOR
3BHE005774R0003
UN 1000A-Z, V3
REF: FKM1477
The ABB Unitrol 1000 is a compact automatic voltage regulator (AVR) designed for precise excitation control of synchronous generators. Widely deployed in marine and industrial power generation systems, the Unitrol 1000 ensures stable voltage output under varying load conditions — a critical requirement for vessel electrical networks where power quality directly affects the safety and reliability of onboard equipment. This unit, part number 3BHE005774R0003 (variant UN 1000A-Z, V3), is offered for parts recovery and component harvesting.
Key Features
✓ ABB Unitrol 1000 platform — proven automatic voltage regulation for synchronous generators
✓ Compact modular design enabling straightforward integration into marine switchboard and generator control panels
✓ Precise excitation control for stable generator voltage output across dynamic load conditions
✓ Advanced protection and monitoring functions typical of the Unitrol 1000 series (exact features subject to confirmation per variant)
✓ Compatible with a wide range of ABB and third-party synchronous generator sets, subject to system configuration
Marine Applications
Main and auxiliary generator excitation systems aboard commercial vessels
Power management and voltage regulation in offshore platform power generation
Diesel-electric propulsion system generator control
Emergency and standby generator excitation control
Shore power and port-side generator voltage regulation systems
Why Marine Engineers Choose
The ABB Unitrol 1000 series is trusted across global fleets for its reliability, ease of commissioning, and proven performance in demanding marine environments. Marine engineers value the Unitrol 1000 for its robust voltage regulation accuracy, comprehensive built-in protection features, and ABB’s extensive support infrastructure — making it a preferred choice for both newbuild and retrofit excitation control applications.
Ideal For
Bulk carriers, container ships, tankers, offshore supply vessels, cruise ships, ferries, naval vessels, floating production units (FPSOs), and any vessel or offshore installation utilising ABB-controlled synchronous generator excitation systems.
Technical Support & Compliance
We provide complete support solutions including remote troubleshooting, onboard technical assistance, testing and commissioning, repair services, retrofit and upgrade programmes, and full integration support for ABB Unitrol 1000 AVR systems. To confirm compatibility and ensure the correct match for your installation, please share nameplate photographs, part numbers, relevant drawings, system model and version details, vessel name and IMO number, and the full scope of your requirement. All compatibility and technical specifications are subject to confirmation based on the information provided.
