TAILIEUCHUNG - Frequency regulation in an AC microgrid with diverse sources of power using intelligent control technique

This paper addresses the problem of frequency regulation in an AC microgrid under variable wind speed and multiple random load disturbances and proposes a fuzzy gain scheduled proportional-integralderivative (FGSPID) controller to withstand these uncertainties and disturbances and provide an improved performance. | Journal of Automation and Control Engineering Vol. 4, No. 3, June 2016 Frequency Regulation in an AC Microgrid with Diverse Sources of Power Using Intelligent Control Technique Vishal Saini and Sathans Department of Electrical Engineering, National Institute of Technology, Kurukshetra, India Email: vishalsainiee@, comprise renewable energy sources such as diesel engine generators (DEGs), wind turbine generators (WTGs), photovoltaic (PV) panels, fuel cells (FCs), along with energy storage systems. One of the important control issue associated with the MG is of frequency regulation under different operating conditions, and proper control designs in both connected and disconnected modes. Many researchers have utilized different control concepts for frequency control problem in an AC microgrid [1]-[6]. This paper presents the design and implementation of an intelligent fuzzy gain scheduled PID (FGSPID) controller for frequency regulation in an AC MG operating in isolated mode under different disturbances of load and power generation. To demonstrate the effectiveness of the proposed control scheme, the results are compared with that of the conventional PID controller. The paper organized is as follows: Section II provides an overview of the AC MG structures and their required control loops. In section III, proposed system configuration and frequency response model of a standalone AC MG is explained. Conventional PID and intelligent FGSPID controller designs are discussed in Section IV. Finally, Section V presents the simulation results showing the performance of the proposed controller and its comparative analysis with the conventional PID controller. Abstract—In recent years worldwide, there is considerable focus on the growth of renewable energy sources (RESs) and distributed generation system (DGs) leading to the concept of microgrid (MG), which is becoming increasingly very popular. The RESs, constituting a MG, by nature .

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• Journal of Automation and Control Engineering
• Frequency regulation in an AC microgrid
• Diverse sources of power
• Intelligent control technique
• Fuzzy gain scheduled proportional integralderivative
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