ABB UNITROL1020 Product Introduction
Product Description
The ABB UNITROL1020 is an advanced excitation system, specifically designed for synchronous generators in power generation applications. It regulates the generator’s excitation current to maintain stable terminal voltage, control reactive power output, and ensure reliable operation under varying load conditions. This system is widely used in power plants, industrial 自备电厂 (captive power plants), and renewable energy facilities (such as hydro and wind farms), where precise excitation control is critical for grid stability and generator performance. Equipped with a user-friendly interface and advanced control algorithms, it offers flexible configuration options, seamless integration with generator protection systems, and remote monitoring capabilities, making it a versatile solution for both new installations and retrofits.
Technical Parameters
- Rated Field Current: Up to 1000 A, suitable for medium to large-sized synchronous generators.
- Rated Field Voltage: Up to 500 V DC, compatible with various generator field winding specifications.
- Control Accuracy: Terminal voltage regulation ≤ ±0.25% (steady state), ensuring precise voltage control.
- Response Time: Field current rise time ≤ 0.1 seconds (for 90% of rated current), enabling rapid adjustment to load changes.
- Operating Voltage Range: 110 ~ 240 V AC (control power), adaptable to different power supply systems.
- Power Consumption: ≤ 500 W (excluding power stage), ensuring energy efficiency.
- Operating Temperature Range: -10 ~ 55 °C, suitable for typical power plant environments.
- Storage Temperature Range: -40 ~ 70 °C, maintaining integrity during storage and transportation.
- Relative Humidity: 5% ~ 95% (non-condensing), resistant to moisture-related issues.
- Communication Interfaces: Ethernet (Modbus TCP/IP), RS485 (Modbus RTU), enabling integration with SCADA and plant control systems.
- Protection Features: Overcurrent protection, overvoltage protection, field short-circuit protection, and loss of excitation protection.
- Dimensions (Control Unit): 450 mm × 300 mm × 200 mm, compact for installation in control cabinets.
- Weight (Control Unit): Approximately 8 kg, lightweight for easy handling.
- Certifications: IEC 61000, IEEE 421.5, ensuring compliance with international standards for excitation systems.
The ABB UNITROL1020 is available for global sale, covering all major power generation markets. Orders are processed efficiently, with delivery guaranteed within 3 days, ensuring timely integration into your generator systems to minimize downtime.
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