Description
The ABB UNITROL 1010 3BHE035301R0004 is a digital automatic voltage regulator (AVR) and generator excitation controller designed for precise control of synchronous generators and industrial rotating machines. It belongs to the ABB UNITROL 1000 excitation family and provides reliable voltage regulation, synchronization functions, protection features, and communication capabilities for power generation applications.
The 3BHE035301R0004 version corresponds to the UNITROL 1010-0004 BASIC + SYNC configuration, including integrated synchronization functionality for generator applications requiring accurate voltage and frequency matching before connection to the power network.
This excitation controller uses advanced digital control technology to regulate field excitation current, maintain generator terminal voltage stability, support reactive power sharing between parallel generators, and improve overall power system performance. It is widely applied in industrial power plants, marine generators, standby power systems, and synchronous machine control applications.
ABB UNITROL1010 3BHE035301R0004
Product Specifications
| Specification | Details |
|---|---|
| Brand | ABB |
| Model | 3BHE035301R0004 |
| Series | UNITROL 1010 |
| Product Name | Generator Excitation Controller / Automatic Voltage Regulator |
| Configuration | UNITROL 1010-0004 BASIC + SYNC |
| Place of Manufacture / Origin | Sweden / ABB |
| Product Status | New Surplus / Original New |
| Control Technology | Digital microprocessor-based AVR control |
| Application | Synchronous generators, motors, excitation systems |
| Excitation Output | Up to 10 A DC continuous current |
| Input Voltage Range | AC/DC excitation input up to 250 VAC / 300 VDC |
| Communication Interfaces | Ethernet, USB, CAN (device connection), serial communication options |
| Synchronization Function | Integrated generator synchronization support |
| Protection Functions | Voltage regulation, excitation monitoring, limiter functions, fault diagnostics |
| Dimensions | Approx. 170 × 85 × 280 mm |
| Weight | Approx. 2.8 kg |
| Country of Origin | Sweden |
| Power Requirements | Auxiliary supply AC/DC, configurable according to system requirements |
| Discontinued | No |
Key Features
⚙️ Digital Excitation Control
Provides fast and accurate regulation of generator excitation current for stable terminal voltage control.
⚙️ Integrated Synchronization Function
The BASIC + SYNC version supports generator synchronization requirements, helping achieve reliable connection to electrical networks.
⚙️ Generator Protection & Monitoring
Supports excitation supervision, event recording, diagnostic functions, and operating status monitoring.
⚙️ Flexible Communication
Designed for integration with plant automation systems, SCADA, and higher-level control platforms.
⚙️ Industrial & Marine Applications
Suitable for diesel generators, gas generators, industrial power systems, and marine power generation equipment.
Common Applications
• Generator automatic voltage regulation
• Power plant excitation systems
• Marine generator control systems
• Industrial synchronous motors
• Emergency and standby power systems
• Parallel generator reactive load sharing
Frequently Asked Questions
❓ Q: What is the function of ABB UNITROL 1010 3BHE035301R0004?
A: It functions as an automatic voltage regulator and excitation controller, controlling the generator field current to maintain stable output voltage.
❓ Q: Is 3BHE035301R0004 compatible with UNITROL 1010 systems?
A: Yes. This part number identifies the UNITROL 1010-0004 BASIC + SYNC configuration.
❓ Q: Can this controller be used for marine generators?
A: Yes. UNITROL 1010 series controllers are designed for industrial and marine generator excitation applications.
❓ Q: Does it support synchronization?
A: Yes. The 3BHE035301R0004 version includes BASIC + SYNC functionality.
❓ Q: What communication options are available?
A: The UNITROL 1010 supports Ethernet, USB, and additional communication interfaces depending on configuration.
❓ Q: Is this suitable as a replacement for older ABB excitation controllers?
A: It can be used as a replacement option when system specifications, firmware, wiring, and application requirements are verified.
Recommended ABB Related Models
- ABB 3BHE035301R0002 – UNITROL 1010-0002 LIGHT
Basic UNITROL 1010 excitation controller configuration. - ABB 3BHE035301R0003 – UNITROL 1010-0003 BASIC
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ABB excitation system related controller module.
