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AGC of Thermal-Split Shaft Gas Turbine System Integrating IPFC and Ultra-Capacitor

  • Arindita SahaEmail author
  • Lalit Chandra Saikia
  • Rumi Rajbongshi
  • Debdeep Saha
  • Washima Tasnin
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 757)

Abstract

The present work deals with an unequal two-area multi-source thermal-split shaft gas turbine (SSGT)-based automatic generation control (AGC) system. Each of the thermal units is associated with both reheat turbine and generation rate constraint (GRC). The whale optimization algorithm (WOA) is used for simultaneous optimization of controller gains and other parameters. Through investigations it is observed that combination of integer order proportional–integral–derivative with filter (PIDN) controller and fractional-order integral-derivative (FOID) controller (PIDN-FOID) provides upperhand over classical controllers with respect to lesser peak deviations, settling time, and smaller values of cost function. Different analyses also show that involvement of interline power flow controller (IPFC) and ultra-capacitor (UC) one at a time or both together improves the system dynamics with much-reduced oscillations, lesser peak deviations, and settling time. Sensitivity analysis at higher value of step load perturbation (SLP) is performed for checking the robustness of controller.

Keywords

Automatic generation control Generation rate constraint Interline power flow controller PIDN-FOID controller Ultra-capacitor Whale optimization algorithm 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Arindita Saha
    • 1
    Email author
  • Lalit Chandra Saikia
    • 1
  • Rumi Rajbongshi
    • 1
  • Debdeep Saha
    • 1
  • Washima Tasnin
    • 1
  1. 1.Department of Electrical EngineeringNational Institute of Technology SilcharSilcharIndia

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