Description
UNITROL1000 3BHE014557R0104 powerful automatic voltage regulators
1. Product Features
- High-precision digital excitation control, achieves voltage regulation accuracy up to ±0.2%, effectively stabilizes output voltage of synchronous generators under variable load conditions.
- Fast dynamic response capability, quickly suppress voltage fluctuation caused by load mutation and grid disturbance, equipped with PSS power system stabilizer to damp low-frequency oscillation.
- Multiple built-in control modes: constant voltage control, power factor control, reactive power control, constant excitation current control, flexible switching according to operating demands.
- Comprehensive multi-level protection functions: over-excitation, under-excitation, overcurrent, loss-of-field, overvoltage and other protection logics, realizing fault alarm and safe shutdown.
- Supports CMT1000 commissioning software, realizing auto-tuning, online monitoring, fault recording and historical data traceability, simplifying debugging and maintenance work.
- Rich communication interfaces including Ethernet, RS485, compatible with Modbus TCP, Modbus RTU protocols, easy to connect with DCS and plant automation systems.
- Rugged compact modular design, wide operating temperature range, strong anti-electromagnetic interference performance, suitable for continuous 24/7 operation in industrial harsh environments.
- Compliant with mainstream international grid codes, supports FRT fault ride-through function, meets grid access requirements of various power generation units.
2. Product Parameters
UNITROL1000 3BHE014557R0104 powerful automatic voltage regulators
| Item | Specification |
|---|---|
| Brand | ABB |
| Model | UNITROL1000 |
| Part Number | 3BHE014557R0104 |
| Product Type | Digital AVR / Excitation Controller |
| Applicable Generator Capacity | 100 kVA ~ 80 MVA synchronous generator/motor |
| Voltage Regulation Accuracy | ±0.2% |
| Excitation Current Measurement Range | 0 ~ 40 A |
| Input Power Supply | 9 ~ 300 VAC (AC); 18 ~ 300 VDC (DC) |
| Frequency Range | 10 ~ 150 Hz |
| Communication Interface | Ethernet, RS485, USB |
| Digital I/O | 4 digital inputs, 8 configurable digital I/O |
| Analog I/O | 3 analog inputs, 2 analog outputs (±10V) |
| Operating Temperature | -20 ℃ ~ +60 ℃ |
| Protection Class | IP20 |
| Commissioning Tool | CMT1000 Software |
| Certifications | CE, UL |
| Continuous Operation | 7×24 hours |
3. Product Operation Instructions
UNITROL1000 3BHE014557R0104 powerful automatic voltage regulators
- Complete mechanical DIN rail installation inside control cabinet, firmly wire voltage measurement signal, excitation circuit, digital/analog signals and power supply according to terminal wiring diagram.
- Connect PC with controller via USB/Ethernet, launch CMT1000 software to complete parameter configuration, including generator rated parameters, control mode and protection threshold settings.
- Carry out offline parameter check and auto-tuning test to optimize PID parameters for stable excitation regulation performance.
- Execute no-load commissioning first, verify voltage regulating performance; then conduct on-load test, confirm the stability under dynamic load change.
- Set fault recording and alarm logic, connect alarm signals to upper monitoring system.
- During daily operation, monitor running status via local LED indicator or remote software; regularly download historical fault records for equipment health analysis.
- Cut off power supply before maintenance, avoid live wiring operation; periodic check terminal tightness and dust cleaning.
4. Application Fields
UNITROL1000 3BHE014557R0104 powerful automatic voltage regulators
- Land power generation plants: diesel generator sets, gas turbine generators, steam turbine units, small and medium hydropower stations, biomass power generation.
- Marine power system: ship synchronous generator, marine auxiliary power supply and electric propulsion system.
- Traction industry: diesel-electric locomotive generator excitation control system.
- Industrial synchronous motor drive: large synchronous motor for mine, metallurgy and chemical industry.
- Distributed energy & backup power: emergency standby generator set, independent grid power supply system.
- Renewable energy power plant: synchronous wind turbine generator and off-grid power generation system.
UNITROL 1010-0002 LIGHT 3BHE035301R0002
UNITROL 1010-0003 BASIC 3BHE035301R0003
UNITROL 1020-0003 BASIC 3BHE030579R0003
UNITROL 1020-0006 FULL 3BHE030579R0006
UNITROL 1020-0007 FULL + PSS 3BHE030579R0007
UNITROL 1005-0011 ECO 3BHE043576R0011
UNITROL 1005-0012 LIGHT 3BHE043576R0012
