Design and Implementation of a STATCOM Based on a Multilevel FHB Converter with Delta-Connected Configuration for Unbalanced Load Compensation

Wei-Neng Chang and Ching-Huan Liao
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Wei-Neng Chang: Department of Electrical Engineering, Chang Gung University, 259 Wen-Hwa 1st Road, Kwei-Shan Dist., 333 Tao-Yuan City, Taiwan
Ching-Huan Liao: National Chung-Shan Institute of Science and Technology, 486, 6th Neighborhood, Sec. Jia’an, Zhongzheng Road, Longtan Dist., 325 Tao-Yuan City, Taiwan

Energies, 2017, vol. 10, issue 7, 1-17

Abstract: A delta-connected STATCOM with cascade multilevel full H-bridge (FHB) converter has been applied for phase balancing and power factor correction of unbalanced load in a three-phase, three-wire power distribution system. In this paper, a feedforward compensation formula is presented for the STATCOM by using the symmetrical components method to compensate unbalanced load. Computer simulation is performed for preliminary verification. Accordingly, a hardware prototype employing a TMS320F2812 DSP-based system is built for final verification test. Experimental results show that the proposed STATCOM is very effective for real-time unbalanced load compensation.

Keywords: FHB; hardware test; load compensation; STATCOM; symmetrical components method (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: 2017
References: View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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