Impact of Flexible AC Transmission System Devices on Automatic Generation Control with a Metaheuristic Based Fuzzy PID Controller

Ramana Pilla, Ahmad Taher Azar and Tulasichandra Sekhar Gorripotu
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Ramana Pilla: Department of EEE, GMR Institute of Technology, Rajam, Srikakulam, Andhra Pradesh 532127, India
Ahmad Taher Azar: Robotics and Internet-of-Things Lab (RIOTU), Prince Sultan University, Riyadh 12435, Saudi Arabia
Tulasichandra Sekhar Gorripotu: Department of EEE, Sri Sivani College of Engineering, Srikakulam, Andhra Pradesh 532410, India

Energies, 2019, vol. 12, issue 21, 1-19

Abstract: The present work proposes a teaching–learning-based optimization (TLBO)-tuned fuzzy proportional-integral-derivative (PID) controller of two-area hydro-thermal generating units for automatic generation control (AGC). The proposed system takes into account the physical constraints such as transport delay (TD), generation rate constraint (GRC), and governor dead band (GDB) nonlinearities. Firstly, fuzzy PID controllers were designed for both the areas and their gains were optimized using various minimization objective function criteria. Furthermore, applications of flexible alternating current transmission system (FACTS) devices such as static synchronous series compensator (SSSC), thyristor-controlled series capacitor (TCSC), thyristor-controlled phase shifter (TCPS), and unified power flow controller (UPFC) were investigated by integrating FACTS devices in appropriate locations of the system. The simulation results revealed that the minimum objective values were attained when the UPFC was placed in the system. Lastly, robustness analysis was done to observe the capability of the proposed controller with UPFC by changing system parameters and considering random load disturbances.

Keywords: automatic generation control (AGC); flexible alternating current transmission system (FACTS) device; fuzzy PID controller; random load disturbance; teaching–learning-based optimization (TLBO) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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