ABB UNITROL1020-0004BASIC+SYNC 3BHE030579R0004 Automatic voltage regulator module

ABB UNITROL1020-0004BASIC+SYNC 3BHE030579R0004 Automatic voltage regulator module

Specific Parameters

• Power supply voltage: 90-300V DC / 85-265V AC, 50/60Hz
• Output current: Continuous 25A DC, peak 50A DC
• Voltage regulation accuracy: ±0.2%
• Synchronization accuracy: Phase difference ≤0.5°, frequency difference ≤0.02Hz
• Response time: Voltage regulation ≤5ms, synchronization response ≤100ms
• Control modes: Automatic voltage regulation (AVR), manual excitation, reactive power control, synchronous grid connection control
• Communication interfaces: Ethernet/IP, Modbus/TCP, RS485
• Operating temperature range: -40°C to +70°C
• Storage temperature range: -40°C to +85°C
• Protection class: IP54
• Dimensions: 200mm×160mm×100mm
• Weight: 3.8kg
• Protection functions: Overvoltage, undervoltage, overexcitation, loss of excitation, synchronization failure protection

Product Performance

• High-precision voltage control: Voltage regulation accuracy reaches ±0.2%, maintaining stable generator terminal voltage during load fluctuations, meeting strict grid requirements for voltage quality.
• Fast synchronous grid connection: The synchronization function can complete phase, frequency and voltage matching between generator and grid within 10 seconds, with phase difference controlled within 0.5°, avoiding damage to equipment caused by grid connection inrush current.
• Wide environmental adaptability: -40°C to +70°C operating temperature range combined with IP54 protection class, resisting dust and low-pressure water splashing, adapting to outdoor or harsh industrial environments of power plants.
• Multiple safety protections: Integrating overexcitation, synchronization failure and other protection functions, cutting off excitation output within 0.1 seconds under abnormal conditions to protect generator and grid equipment.
• Flexible system integration: Supporting multiple communication protocols and control modes, it can seamlessly connect with PLC and SCADA systems. Synchronization parameters can be remotely configured via software, simplifying grid connection operation procedures.