Description
ABB UNITROL 1000 VOLTAGE REGULATOR 3BHE014557R0003 (USED)
ABB
UNITROL 1000
VOLTAGE REGULATOR
3BHE014557R0003
UN 1000b-Z, V3.
REF.NO: FKM214
The ABB Unitrol 1000 is a compact automatic voltage regulator (AVR) designed for precise excitation control of synchronous generators. Onboard marine vessels, the Unitrol 1000 plays a critical role in maintaining stable generator output voltage under varying load conditions, ensuring reliable power distribution across essential ship systems. As part of the vessel’s power generation and distribution infrastructure, this regulator is vital for operational safety, equipment protection, and compliance with classification society standards.
Key Features
✓ ABB Unitrol 1000 platform (UN 1000b-Z, V3) providing digital excitation control for synchronous generators
✓ Compact modular design engineered for integration into marine switchboard and generator control panels
✓ Advanced voltage regulation algorithms ensuring stable output under dynamic load transients typical in marine operations
✓ Built-in protection and monitoring functions — specific capabilities depend on configuration and software version
✓ Proven ABB technology widely adopted across commercial and naval vessel power plants
Marine Applications
Main and auxiliary generator excitation control onboard cargo vessels, tankers, and container ships
Voltage regulation for diesel-electric and hybrid propulsion power systems
Power plant stabilisation on offshore support vessels and drilling platforms
Generator paralleling and load-sharing support within marine switchboard configurations
Critical power management on cruise ships, ferries, and naval vessels requiring high reliability
Why Marine Engineers Choose
The ABB Unitrol 1000 is a trusted and field-proven voltage regulator recognised across the global maritime industry for its reliability, ease of integration, and robust performance in demanding marine environments. Marine engineers rely on this unit for its precise voltage control, straightforward commissioning, and compatibility with a wide range of ABB and third-party generator sets.
Ideal For
Bulk carriers, container ships, tankers, LNG/LPG carriers, offshore supply vessels, drill ships, cruise liners, ferries, naval vessels, research vessels, and floating production units requiring dependable generator excitation and voltage regulation.
Technical Support & Compliance
We provide complete support solutions including remote troubleshooting, onboard technical assistance, functional testing and commissioning, repair services, retrofit and upgrade guidance, and full integration support for ABB Unitrol 1000 voltage regulators. To confirm compatibility and ensure the correct unit for your installation, please share generator nameplate photos, existing AVR part numbers, relevant wiring drawings, system model and software version details, vessel name and IMO number, and your full project scope. All compatibility and technical specifications are subject to confirmation based on the information provided.
