UNITROL1020 3BHE030579R0003 ABB digital excitation controller
The ABB UNITROL1020 3BHE030579R0003 is a high-performance digital excitation controller, specifically designed for synchronous generators in power plants, industrial facilities and renewable energy systems. As a core component of the UNITROL1020 series, it is responsible for regulating the generator’s excitation current and voltage, ensuring stable operation, improving power quality and enhancing the generator’s transient response capability. It integrates advanced control algorithms, supports multiple control modes and communication protocols, and features a user-friendly operation interface, making it easy to configure, monitor and maintain. With high reliability, strong anti-interference ability and wide adaptability, this excitation controller is widely applied in various synchronous generator sets, providing reliable support for the safe and efficient operation of power systems.
ABB UNITROL1020 3BHE030579R0003 – Product Description & Technical Specifications Product Description The ABB UNITROL1020 3BHE030579R0003 is a high-performance digital excitation controller, specifically designed for synchronous generators in power plants, industrial facilities and renewable energy systems. As a core component of the UNITROL1020 series, it is responsible for regulating the generator’s excitation current and voltage, ensuring stable operation, improving power quality and enhancing the generator’s transient response capability. It integrates advanced control algorithms, supports multiple control modes and communication protocols, and features a user-friendly operation interface, making it easy to configure, monitor and maintain. With high reliability, strong anti-interference ability and wide adaptability, this excitation controller is widely applied in various synchronous generator sets, providing reliable support for the safe and efficient operation of power systems. Basic Information Brand: ABB, a global leader in power and automation technologies. Model: UNITROL1020 3BHE030579R0003, a digital excitation controller belonging to ABB’s UNITROL1020 product series. Product Type: Digital excitation controller for synchronous generators. Weight: Approximately 0.8 kg. Country of Origin: Switzerland (original factory). HS Code: 8538900090 (for reference), applicable to electrical control and protection equipment components. Temperature Specifications Operating Temperature: -20 °C to +70 °C, adapting to harsh industrial and power plant environments. Storage Temperature: -40 °C to +85 °C, suitable for long-term storage and transportation. Input Specifications Power Input: 24V DC ±10%, power consumption ≤15W; supplied by the plant’s DC power system, with anti-surge and anti-interference protection. Analog Input: 4–20 mA DC (generator voltage, current, excitation current), input resistance ≤100 Ω; 0–10V DC (optional), supporting high-precision signal collection. Digital Input: 8 configurable channels, supporting dry contact signals, for receiving start/stop, fault and other control signals from the generator system. Output Specifications Analog Output: 4–20 mA DC (2 channels), for controlling the excitation rectifier bridge, rated output current 500 mA per channel. Digital Output: 8 configurable relay output channels, normally open/normally closed optional, rated contact voltage 250V AC/30V DC, rated contact current 5A. Communication Output: Supports Modbus TCP, IEC 61850, IEC 60870-5-103 protocols, equipped with Ethernet and RS-485 interfaces for data exchange with the plant’s control system. Key Features • Specifically designed for synchronous generators, supporting multiple control modes (voltage regulation, current regulation, power factor regulation). • High-precision voltage and current regulation, ensuring stable generator operation and excellent power quality. • Rich communication interfaces and protocols, enabling seamless integration with plant control systems and remote monitoring. • User-friendly operation interface, supporting local and remote parameter configuration, fault diagnosis and data monitoring. • Strong anti-interference ability, complying with IEC 61000 series electromagnetic compatibility standards, adapting to harsh industrial environments. • Modular design, easy to install, maintain and upgrade, with high reliability and long service life.
interface *Output method: rear output *Fast Ethernet: 3 slots, each slot supports 8 ports, with optional optical and electrical options *Gigabit Ethernet: Provides 4 1000Base SFP slots *CONSOLE port: RS232 (RJ45) *Alarm port: 5.08mm spacing 3-pin Phoenix wiring terminal, 250VAC/220VDC 2 A cable *Twisted pair cable: 100m *Multimode fiber: 1310nm, 2km (100Mbps); 1310nm, 500m (gigabit) *Single mode fiber: 1310nm, 0-40km; 1550nm, 0-80km source *Input voltage: 110-220VDC/VAC, redundant input *Connection terminal: 5.08mm spacing 5-pin Phoenix wiring terminal *Power:<40W mechanical properties *Case: Aluminum model with fanless design *Protection level: IP30 *Installation method: 19 inch 1U rack type *Shell size: 440 mm * 44.5 mm * 370 mm (W * H * D), as shown in the attached image *Impact, vibration, and drop: meet the requirements of IEC61850-3 5.5 CM level *Weight: approximately 4.3kg
