Load compensation using DSTATCOM in three-phase,three-wire distribution system under various source voltage and delta connected load conditions |
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| Affiliation: | 1. Faculty of Engineering & Technology, Veer Narmad South Gujarat University, Surat 395 007, Gujarat, India;2. Department of Electrical Engineering, A.D. Patel Institute of Technology, New Vallabh Vidyanagar 388 121, Gujarat, India;3. Electrical Engineering Department, C.K. Pithawalla College of Engineering & Technology, Surat 395 007, Gujarat, India;1. Technologies for Sustainable Built Environments (TSBE) Centre, University of Reading, UK;2. School of the Built Environment, University of Reading, UK;3. Energy Research Lab, School of Systems Engineering, University of Reading, UK;1. Lecturer, Department of Electrical Engg., Pandit Deendayal Petroleum University, Gandhinagar, Gujarat, India;2. Associate Proffesor, Department of Electrical Engg., Pandit Deendayal Petroleum University, Gandhinagar, Gujarat, India;1. Department of Electrical and Electronic Engineering, Eastern Mediterranean University, Gazimagusa, Mersin 10, Turkey;2. Department of Electrical Engineering, Lashtenesha-Zibakenar Branch, Islamic Azad University, Lashtenesha, Iran |
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| Abstract: | This paper deals with a Distribution STATic COMpensator (DSTATCOM) for balancing of source currents, power factor correction and harmonic mitigation in three-phase, three-wire distribution system supplying delta connected load under various source voltage conditions. The control strategy applied to the DSTATCOM play a major role in its performance. A novel approach based on an improved instantaneous active and reactive current component (IARCC) theory is proposed for generation of three-phase reference currents for DSTATCOM. A three-phase voltage source converter with a dc bus capacitor is employed as DSTACOM which will track the reference currents in a hysteresis band scheme. The performance of DSTATCOM is evaluated under sinusoidal, unbalanced sinusoidal and unbalanced distorted source voltage conditions. Variation in load current, variation in magnitude and harmonic content in source voltage has been considered. Delta connected linear as well as non-linear load conditions have been considered. The performance of the DSTATCOM using the proposed control strategy is demonstrated using simulation results in MATLAB/SIMULINK software. Simulation results demonstrate the feasibility of proposed scheme for the control of DSTACOM. |
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