Compact High-Reliability Excitation Control for Modern Power Systems
The ABB UNITROL 1005-0011 3BHE043576R0011 Automatic Voltage Regulator (AVR) is a compact, high-performance excitation control module designed for synchronous machines in industrial and power generation applications. As part of the ABB UNITROL 1000 family, it delivers precise voltage regulation, fast dynamic response, and stable grid support for generators operating under variable load conditions.
Engineered for efficiency and robustness, this AVR integrates advanced digital control algorithms with ABB’s proven excitation technology, ensuring reliable performance even in electrically demanding environments. It is widely used in both standalone power systems and grid-connected generation units where voltage stability is critical.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | UNITROL 1005-0011 |
| Part Number | 3BHE043576R0011 |
| Product Type | Automatic Voltage Regulator (AVR) |
| System Family | UNITROL 1000 Series |
| Control Type | Digital excitation voltage regulation |
| Application | Synchronous generator excitation |
| Rated Excitation Current | Up to 5 A (typical UNITROL 1005 class) |
| Operating Temperature | -25°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions | approx. 2.2 × 12.4 × 12.6 cm |
| Weight | approx. 0.1 kg |
| Communication | Modbus TCP / Fieldbus (system dependent) |
| Installation Type | Control cabinet / rack mounted |
| Cooling Method | Passive cooling |
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