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Voltage and frequency regulations are main requirements for autonomous operation of an isolated microgrid with electronically interfaced distributed energy resource (DER) units. This paper presents a robust decentralized control design scheme for a multi-DER microgrid to enhance its voltage and frequency regulations. The proposed control scheme utilizes linear quadratic (LQ) decentralized control...
Photovoltaic (PV) units along with other distributed energy resources (DERs) are located close to each other in distributed systems and they are equipped with different controllers. In such systems each manipulated variable may affect several controlled variables causing interaction between the input/output loops and degrade the dynamic performance of the system. This paper presents several case studies...
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