ABB Launches UNITROL 1010 (3BHE035301R0004): High-Performance Static Excitation System for Synchronous Generators

ABB Launches UNITROL 1010 (3BHE035301R0004): High-Performance Static Excitation System for Synchronous Generators

ABB has unveiled the UNITROL 1010, designated by order code 3BHE035301R0004, an advanced static excitation system designed for the precise control and regulation of synchronous generators across a wide range of applications, from industrial power plants and hydroelectric facilities to oil & gas installations and marine vessels.

The UNITROL 1010 represents a core component of ABB’s UNISEX (Universal Excitation System) platform. It is engineered to provide the controlled DC field current required to maintain stable generator terminal voltage and reactive power output. Utilizing advanced power electronics and digital control technology, it ensures optimal generator performance, enhances grid stability, and provides robust protection for the generator and exciter. This specific model is configured as a complete, self-contained system with integrated power converter, regulation, and protection functions.

“Stable and efficient generator excitation is fundamental to reliable power generation and grid support,” said a Product Manager for Excitation Systems at ABB. “The UNITROL 1010 is engineered to deliver this with precision and intelligence. Its digital control platform and adaptive algorithms ensure fast, stable voltage regulation under all operating conditions, while its comprehensive protection suite safeguards one of the plant’s most critical assets.”

Key Features and Benefits of the ABB UNITROL 1010 (3BHE035301R0004) include:

Advanced Digital Control Platform: Features high-performance digital regulators (AVR – Automatic Voltage Regulator and UFR – Under-Frequency Regulator) with adaptive control algorithms for excellent dynamic response, stability margins, and precise voltage/reactive power control under varying load and network conditions.
High-Efficiency Power Conversion: Utilizes state-of-the-art thyristor-based power converters to provide a reliable and efficient DC field supply, minimizing losses and ensuring high availability.
Comprehensive Protection and Diagnostics: Includes a full suite of generator and exciter protection functions (over-excitation, under-excitation, loss of field, overvoltage, etc.) and extensive self-diagnostics for predictive maintenance, enhancing overall system reliability and safety.
User-Friendly Human-Machine Interface (HMI): Equipped with a graphical local control panel (LCP) and supports remote access for easy parameter setting, real-time monitoring of all system variables, event logging, and troubleshooting.
Proven System Redundancy Options: Designed with a modular architecture that supports optional redundant controllers and power sections for mission-critical applications requiring maximum availability.
Seamless System Integration: Offers standard communication interfaces (MODBUS, PROFIBUS, IEC 61850) for seamless integration into plant-wide SCADA, DCS, or protection systems, providing operators with a unified view of the power generation process.

The ABB UNITROL 1010 static excitation system (3BHE035301R0004) is available now for new generator installations, modernization projects, and as a replacement for older analog excitation systems. It is an ideal solution for power plant engineers, system integrators, and OEMs seeking a robust, intelligent, and high-performance excitation solution to maximize generator output, grid stability, and operational lifespan.