📌 Product Overview
The ABB UNITROL 1000 (Part Number: 3BHE014557R0003) is a compact, high-performance digital automatic voltage regulator (AVR) engineered for small and medium-sized synchronous generators and motors. It provides precise voltage regulation, reactive power management, and advanced system protection across applications ranging from land-based power plants and marine vessels to industrial backup power systems.
📋 Technical Specifications Datasheet
- Brand: ABB
- Model / Part Number: 3BHE014557R0003 (UNITROL 1000 Series Base Control Unit / Z.V3 variant)
- Series: UNITROL 1000 Digital Excitation Platform
- Product Name: Automatic Voltage Regulator (AVR) / Excitation Controller
- Manufacturing Origin: Switzerland
- Application Range: Synchronous generators and motors from 100 kVA up to 80 MVA
- Processor Architecture: Independent dual-processor architecture separating control and communication tasks
- Power Stage: Advanced IGBT power output topology
- Auxiliary Power Input: Wide-range AC/DC compatibility (16 to 250 VAC, frequency range 25 to 600 Hz)
- Dimensions & Weight: Approximately 110 \times 125 \times 110 mm (0.8 kg)
- Enclosure / Mounting: IP20 rating; supports standard DIN rail or panel cutout mounting
⚙️ Operating Norms and Usage
- Operate within ambient temperatures of -20^\circC to +60^\circC inside an appropriate industrial cabinet meeting IP/NEMA enclosure standards.
- Observe strict electrostatic discharge (ESD) precautions when handling or configuring the hardware module.
- Verify all power input lines, voltage/current sensing transformers (PT/CT), and field flashing circuits against system wiring diagrams prior to energization.
⚡ Power-On / Power-Off Sequence
- Power-On Sequence: Confirm all sensing, control power, and field wiring connections are secure. Energize the auxiliary control supply and main power inputs, then observe front-panel indicators and software diagnostics for successful processor initialization and self-test.
- Power-Off Sequence: Unload and de-synchronize the generator safely through the plant control interface, trip the field breaker or reduce excitation output to zero, isolate incoming power sources, and allow internal circuits to fully discharge before performing maintenance.
📖 Product Usage Instructions
- Utilize CMT 1000 commissioning software to configure control parameters, perform auto-tuning, and manage firmware updates.
- Leverage built-in data and event loggers to review continuous operating waveforms, trip history, and system performance metrics.
- Monitor unit status and alarms remotely via integrated communication interfaces to ensure high reliability in continuous duty cycles.
❓ Common Questions & Answers Q&A
- Q: What is the primary function of part number 3BHE014557R0003?
A: It serves as the core digital excitation control unit for the UNITROL 1000 platform, delivering precise voltage and reactive power regulation for synchronous machines.
- Q: Does this regulator support redundant or dual-channel setups?
A: Yes, the platform supports advanced system configurations including monitoring functions and redundant channel options to maximize power generation availability.
Recommended Alternative Series & Models
- ABB Excitation Regulator: UNITROL 1010 (10 A continuous excitation current)
- ABB Excitation Regulator: UNITROL 1020 (20 A continuous excitation current with overload capability)
- ABB Excitation System: UNITROL 6000 (For large-scale power plants)
- Basler Digital Excitation Controller: DECS-250
- GE Mark VIe Module: IS420UCSCH1A
- GE Mark VI Board: IS200TDBTH2A
- GE PACSystems Controller: IC695CPE400
- GE Multilin Relay: SR750-P1-G1-S1-HI-A20-R-E-H
