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Phone: +86 16626708626Description
The ABB UNITROL 1000 3BHE014557R0003 is a compact, robust, and highly reliable automatic voltage regulator (AVR) designed to provide precise voltage control for small to medium-sized synchronous machines in power generation and industrial applications. It is widely utilized in power plants, marine propulsion systems, and industrial facilities where stable excitation control is essential for consistent voltage output, improved efficiency, and protection of generators and motors under varying load conditions. The UNITROL 1000 series, including this model, is recognized for delivering rapid response to load changes with high accuracy, even under severe operational environments.
Functionally, the ABB UNITROL 1000 3BHE014557R0003 integrates sophisticated microprocessor control and IGBT (Insulated Gate Bipolar Transistor) semiconductor technology to achieve precise excitation current control up to 40 A continuous operation. It supports advanced features such as dual-processor architecture separating control and communication tasks, comprehensive grid code compliance, rotating diode monitoring, and load sharing in multi-machine configurations. The device offers versatile communication interfaces, including Ethernet and USB, enabling seamless integration into larger automation and monitoring systems with ease of setup and diagnostics through ABB’s commissioning software and local human-machine interfaces.
- UNITROL 1000 3BHE014557R0003
Performance-wise, the UNITROL 1000 provides voltage regulation accuracy within ±0.5%, with a typical response time of less than 20 milliseconds using three-phase voltage measurement. Its rugged mechanical construction features a durable aluminum baseplate and an enclosure designed to withstand vibration and temperature extremes (operating from -40°C to +70°C), making it suitable for both land-based and marine applications. The user interface includes an intuitive LCD display with soft keys for easy navigation, real-time status monitoring, alarm management, and parameter adjustments.
| Parameter | Value |
|---|---|
| Model | ABB UNITROL 1000 3BHE014557R0003 |
| Brand | ABB |
| Product Type | Automatic Voltage Regulator (AVR) |
| Continuous Excitation Current | Up to 40 A |
| Response Time | < 20 ms (3-phase measurement) |
| Voltage Regulation Accuracy | ±0.5% |
| Input Voltage Range | 190 V to 600 V AC/DC |
| Operating Temperature | -40°C to +70°C |
| Communication Interfaces | Ethernet, USB, Modbus RTU |
| User Interface | LCD display with soft keys |
| Mechanical Design | Robust aluminum baseplate, vibration resistant |
| Mounting | Machine terminal box or control cabinet |
This model complements related ABB excitation system products such as UNITROL 1010 for lower current requirements and UNITROL 1020 for medium power systems, as well as power modules extending output capabilities.
Installation guidance includes providing proper electrical grounding, adequate cooling, and vibration isolation within control cabinets or machine terminal boxes. Regular firmware updates and diagnostic checks using ABB’s CMT1000 configuration software enhance system safety and performance. Visual fault indicators and data logging further simplify maintenance and troubleshooting.
