Load frequency control scheme for a microgrid system with the application of hTLO-DE algorithm

Authors

  • Indrajit Koley Department of Electrical Engineering, Siliguri Institute of Technology, Siliguri 734009, India
  • Dr. Asim Datta Department of Electrical Engineering, Tezpur University, Tezpur, Assam 784028, India
  • Dr. Goutam Kumar Panda Department of Electrical Engineering, Jalpaiguri Government Engineering College, Jalpaiguri 735102, India

Abstract

Load frequency control (LFC) is a critical feature of electrical power systems for maintaining a balance between power supply and load demand and avoiding system frequency deviation. The present work aims to implement an effective LFC scheme for a microgrid system comprising of diesel generator (DEG), wind turbine generator (WTG), and battery storage.  Proportional-integral-double-derivative (PIDD) controllers are used to implement the LFC scheme.  The controller parameters are computed using a hybrid teaching-learning-optimization differential-evaluation (hTLO-DE) algorithm. The results obtained using PIDD controllers are compared with that found with the traditional PI and PID controllers. A critical analysis exposes that the PIDD controller can give a better dynamic responses pertaining to the settling time and magnitude of oscillations compared to the PI and PID controllers. Moreover, the robustness of the proposed PIDD based LFC scheme is ascertained under different system loadings.

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Published

2022-12-17

Issue

Engineering Review, Vol. 42, No. 2

Section

Articles

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