ABB UNITROL1020 3BHE030579R0006 UNS0119A-Z,V1 Generator Control Unit

ABB UNITROL 1020 3BHE030579R0006 UNS0119A-Z, V1 Generator Control Unit

The ABB UNITROL 1020 3BHE030579R0006 UNS0119A-Z, V1 is an automatic voltage regulator (AVR) and generator control unit designed for precise voltage regulation, protection, and synchronization of synchronous generators in power generation systems. Part of ABB’s UNITROL® 1000 series, this device is used in industrial, commercial, and utility power plants to ensure stable and reliable operation of generators. Below is a detailed breakdown of its features, technical specifications, and applications.

1. Key Features

• Voltage Regulation:
  • Automatic Voltage Regulator (AVR) with ±0.5% static accuracy for precise control of generator output voltage.
  • Droop compensation and cross-current compensation for parallel generator operation.
• Protection Functions:
  • Integrated protection against overvoltage, undervoltage, overfrequency, underfrequency, overcurrent, and loss of excitation.
  • Configurable alarm thresholds and trip delays for enhanced system safety.
• Communication and Integration:
  • Supports Modbus RTU/TCP and CANopen protocols for integration with SCADA, PLCs, or plant control systems.
  • Local interface with LED display and keypad for configuration and real-time monitoring.
• Robust Design:
  • Industrial-grade enclosure with IP20 protection, suitable for harsh environments.
  • Wide operating temperature range: -25°C to +70°C (-13°F to +158°F).
• Flexibility:
  • Compatible with brushless and static excitation systems.
  • Supports diesel, gas, hydro, and steam turbine generators.

2. Technical Specifications

3. Functional Capabilities

• Voltage and Frequency Control:
  • Maintains stable generator voltage and frequency under varying load conditions.
  • Supports islanded operation (standalone) and grid-connected modes.
• Synchronization:
  • Automatic synchronization with the grid or other generators.
• Diagnostics and Monitoring:
  • Real-time display of key parameters: voltage, current, frequency, power factor, and field current.
  • Event logging and fault recording for post-incident analysis.
• Field Current Management:
  • Adjusts generator field current to optimize performance and efficiency.

4. Applications

• Power Plants:
  • Voltage regulation for diesel/gas gensets, hydro turbines, and steam turbines.
• Industrial Facilities:
  • Backup power systems, cogeneration plants, and microgrids.
• Renewable Energy:
  • Integration with biomass or biogas generators.
• Marine and Offshore:
  • Power generation on ships, offshore platforms, and drilling rigs.

5. Advantages

• High Reliability: Designed for continuous operation in demanding environments.
• User-Friendly Interface: Intuitive keypad and menu-driven configuration.
• Scalability: Expandable with ABB’s M102-M measurement modules for additional analog/digital I/O.
• Global Compliance: Meets IEC, UL, and CE standards for safety and performance.

6. Integration and Compatibility

• ABB Ecosystem:
  • Integrates with ABB’s System 800xA for centralized plant control.
  • Compatible with M102-M modules for extended I/O capabilities.
• Third-Party Systems:
  • Connects to SCADA, PLCs, or energy management systems via Modbus or CANopen.

7. Ordering and Support

• Replacement Part: Use part number 3BHE030579R0006 for direct compatibility.
• Accessories:
  • M102-M I/O modules, communication cables, and mounting kits.

8. Summary

The ABB UNITROL 1020 3BHE030579R0006 UNS0119A-Z, V1 is a versatile and robust generator control unit, offering precise voltage regulation, advanced protection, and seamless integration into modern power systems. Its rugged design and compliance with international standards make it ideal for critical applications in industrial, marine, and renewable energy sectors.