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A novel approach of reference current generation for power quality improvement in three-phase, three-wire distribution system using DSTATCOM |
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| Authors: | Tejas Zaveri B.R. BhaljaNaimish Zaveri |
| Affiliation: | a Faculty of Engineering & Technology, Veer Narmad South Gujarat University, Surat 395 007, Gujarat, India b Department of Electrical Engineering, A.D. Patel Institute of Technology, New Vallabh Vidyanagar 388 121, Gujarat, India c Electrical Engineering Department, C.K. Pithawalla College of Engineering & Technology, Surat 395 007, Gujarat, India |
| Abstract: | This paper presents a novel approach based on an improved instantaneous active and reactive current component theory for generating reference currents for distribution static compensator (DSTATCOM). Three-phase reference current waveforms generated by proposed scheme are tracked by the three-phase voltage source converter in a hysteresis band control scheme. The performance of the DSTATCOM using the proposed control strategy has been evaluated under various source and load conditions. The performance of the proposed control strategy has been evaluated in terms of load balancing, reactive power compensation, compensator rating and harmonic mitigation. A three-phase, three-wire distribution system supplying star connected linear as well as non-linear unbalanced load is considered for simulation study. The detailed simulation results using MATLAB/SIMULINK software are presented to support the feasibility of proposed control strategy. |
| Keywords: | DSTATCOM Instantaneous active and reactive current component theory Power factor correction Source VA reduction Source currents balancing Harmonic mitigation |
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