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Predictive optimized adaptive PSS in a single machine infinite bus.

Freddy Milla1, Manuel A Duarte-Mermoud1

  • 1Department of Electrical Engineering, University of Chile, Av. Tupper 2007, Santiago de Chile, Chile; Advanced Mining Technology Center, Av. Tupper 2007, Santiago de Chile, Chile.

ISA Transactions
|March 28, 2016
PubMed
Summary
This summary is machine-generated.

A new Predictive Optimized Adaptive Power System Stabilizer (POA-PSS) effectively reduces generator oscillations in power systems. This adaptive approach offers superior performance and reduced control effort compared to traditional methods.

Keywords:
Electric power systemMPCPSOPSSPredictive Optimized Adaptive PSSSMIB

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Area of Science:

  • Electrical Engineering
  • Control Systems Engineering
  • Power Systems Analysis

Background:

  • Power System Stabilizer (PSS) devices are crucial for damping generator oscillations caused by small system perturbations.
  • Maintaining small signal stability is essential for reliable power system operation.
  • Classical PSS designs may not adapt optimally to dynamic system changes.

Purpose of the Study:

  • To introduce and evaluate a novel Predictive Optimized Adaptive Power System Stabilizer (POA-PSS).
  • To enhance the damping of oscillations in a Single Machine Infinite Bus (SMIB) power system.
  • To compare the performance of the proposed POA-PSS against classical PSS methods.

Main Methods:

  • The study employs small signal stability analysis using incremental equations around an operating point.
  • A predictive optimization algorithm is utilized to determine optimal design parameters for the adaptive PSS.
  • The proposed POA-PSS is simulated on a Single Machine Infinite Bus (SMIB) power system.

Main Results:

  • The POA-PSS demonstrates superior performance in improving system oscillations compared to the classical PSS.
  • The adaptive nature of POA-PSS allows it to effectively respond to changes in system inputs.
  • Control action effort for the POA-PSS is significantly lower than for other compared approaches.

Conclusions:

  • The Predictive Optimized Adaptive Power System Stabilizer (POA-PSS) presents a significant advancement in power system stability control.
  • POA-PSS offers improved oscillation damping and reduced control effort, enhancing overall system performance.
  • This adaptive strategy is a promising solution for robust small signal stability in power grids.