ABB UNS 0890a-P,V2 3BHE018297R0002 Power System Stabilizer

The ABB UNS 0890a-P,V2 3BHE018297R0002 Power System Stabilizer (PSS) is an advanced electronic control device designed to enhance the dynamic stability of power generation systems. Installed within generator excitation control frameworks, this stabilizer optimizes damping of power system oscillations by modulating excitation signals in response to system frequency and voltage fluctuations.

Engineered by ABB with cutting-edge algorithms and precision hardware, the UNS 0890a-P,V2 model plays a vital role in maintaining grid stability, minimizing system disturbances, and protecting generator units from damaging oscillatory behavior. It is ideal for integration with synchronous generators in utility power plants, industrial cogeneration facilities, and renewable energy installations.

The device supports flexible configuration, comprehensive diagnostics, and seamless integration with existing excitation systems, thereby improving overall power quality and reliability.

Product Specifications

Product Applications

The ABB UNS 0890a-P,V2 Power System Stabilizer is used in a variety of critical power system environments, including:

• Thermal, Hydro, and Gas Power Plants

  Enhances dynamic stability by damping electromechanical oscillations in synchronous generators.

• Industrial Power Generation

  Stabilizes power supply in manufacturing facilities with high sensitivity to voltage fluctuations.

• Renewable Energy Systems

  Supports grid stability in wind farms and biomass generators by reducing power oscillations.

• Utility Grid Support

  Provides system oscillation damping to maintain power quality and reduce risk of blackouts.

• Cogeneration and Combined Heat & Power (CHP) Plants

  Improves generator response to load changes and system disturbances.

• Marine and Offshore Power Systems

  Stabilizes onboard generators subject to variable load conditions and harsh environments.

Product Advantages

• Effective Oscillation Damping

  Provides real-time modulation of excitation signals to mitigate system instability and oscillations.

• Robust and Reliable Design

  Engineered for continuous operation in demanding industrial environments.

• Flexible Integration

  Compatible with ABB excitation systems and standard communication protocols for easy retrofit.

• Advanced Control Algorithms

  Utilizes adaptive tuning to optimize stabilizing effects across various generator models.

• Comprehensive Diagnostics

  Integrated monitoring and fault detection facilitate proactive maintenance.

• Compact and Modular Construction

  Streamlines installation and replacement in control panels.

• International Compliance

  Adheres to global electrical and safety standards for assured performance.

• Improved Grid Reliability

  Supports stable power delivery, reducing interruptions and enhancing system resilience.

FAQ

1. What is the main function of the UNS 0890a-P,V2 Power System Stabilizer?

   It dampens electromechanical oscillations by modulating generator excitation signals.

2. What operating voltage does the stabilizer require?

   The device typically operates at 24 V DC.

3. Which communication protocols are supported?

   It supports ABB proprietary bus communication and optional Modbus interface.

4. Can the stabilizer be used with different types of synchronous generators?

   Yes, it is adaptable for use with various synchronous generator models.

5. What is the operating temperature range of the stabilizer?

   It functions reliably between -10°C and +60°C.

6. How is the stabilizer mounted in a control system?

   It can be installed on DIN rails or mounted on panels within control cabinets.

7. Does the device provide fault diagnostics?

   Yes, it includes diagnostic functions for monitoring operational status and faults.

8. Is the stabilizer compliant with industry standards?

   Yes, it meets IEC 60255, CE, and UL certifications.

9. How does the stabilizer improve grid stability?

   By damping power system oscillations, it reduces voltage and frequency fluctuations.

10. Can the stabilizer settings be customized?

    Yes, the device supports configurable parameters to optimize performance per application.