UNITROL®6000 Power System Stabilizer Standalone (PSS SA) features and technical data

Advanced solutions and services to comply with grid code regulations

UNITROL PSS built-in features  

  • Microprocessor-based digital power system stabilizer with built-in transfer function in accordance with the latest IEEE421.5 standards (PSS 2A/2B/2C or 4B/4C)
  • Built-in signal injections and high-end recording features
  • Adaptive PSS (APSS), with a patented grid observer
  • Dedicated RoCoF (Rate of Change of Frequency) PSS Blocking function
  • Designated filter networks to avoid torsional interactions

Other features

  • 3-phase high speed VT and CT measurements are configurable to match the plant setup
  • Extended IOs, as DCS interface and special configurations (e.g. for pump storage with PSS operation in generating and pump mode)
  • Options for redundant configurations
  • Dedicated touch screen interface to have control and monitoring at your fingertips
  • System Status bar
    • Operation – Real time measurements
    • Parameter – Set parameters/signals and injection points
    • Events logger – Event logging including direct access to troubleshooting instructions
    • Slow and Fast trending – For commissioning and grid code compliance
    • Transient Recorder – Capture disturbance events on system and network
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