Power-quality-oriented optimization in multiple three-phase adjustable speed drives

Yang, Yongheng, Davari, Pooya, Blaabjerg, Frede and Zare, Firuz (2017). Power-quality-oriented optimization in multiple three-phase adjustable speed drives. In: ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. 2016 IEEE Energy Conversion Congress and Exposition, ECCE 2016, Milwaukee, WI, United States, (). 18 - 22 September 2016. doi:10.1109/ECCE.2016.7855362


Author Yang, Yongheng
Davari, Pooya
Blaabjerg, Frede
Zare, Firuz
Title of paper Power-quality-oriented optimization in multiple three-phase adjustable speed drives
Conference name 2016 IEEE Energy Conversion Congress and Exposition, ECCE 2016
Conference location Milwaukee, WI, United States
Conference dates 18 - 22 September 2016
Convener IEEE
Proceedings title ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings
Journal name ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings
Place of Publication Piscataway, NJ, United States
Publisher Institute of Electrical and Electronics Engineers
Publication Year 2017
Sub-type Fully published paper
DOI 10.1109/ECCE.2016.7855362
Open Access Status Not yet assessed
ISBN 9781509007370
9781509007387
Total pages 8
Collection year 2018
Language eng
Abstract/Summary As an almost standardized configuration, Diode Rectifiers (DRs) and Silicon-Controlled Rectifiers (SCRs) are commonly employed as the front-end topology in three-phase Adjustable Speed Drive (ASD) systems. Features of this ASD configuration include: structural and control simplicity, small volume, low cost, and high reliability during operation. Yet, DRs and SCRs bring harmonic distortions in the mains and thus lowering the overall efficiency. Power quality standards/rules are thus released. For multiple ASD systems, certain harmonics of the total grid current can be mitigated by phase-shifting the currents drawn by SCR-fed drives, and thus it is much flexible to reduce the Total Harmonic Distortion (THD) level in such applications. However, the effectiveness of this harmonic mitigation scheme for multiple ASD systems depends on: a) the number of parallel drives, b) the power levels, and c) the phase-shifts (i.e., firing angles) for the corresponding SCR-fed drives. This paper thus adopts a particle swarm optimization algorithm to optimize the power levels and the firing angles for multi-drive systems considering a fixed number of drives when practically implemented. The optimization is done to minimize the THD level of the total current at the point of common coupling. Simulations with the optimized results are carried out and laboratory tests on a two-drive system are provided to demonstrate the phase-shifting harmonic mitigation scheme. Issues concerning the practical implementation of the optimal results in multi-drive systems are also addressed.
Keyword Diode Rectifiers (DR)
Harmonics
Particle swarm optimization
Phase-shifted current control
Power quality
Silicon-Controlled Rectifiers (SCR)
Three-phase Adjustable Speed Drives (ASD)
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ

 
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