Optimal selective harmonic control for power harmonics mitigation

Zhou, K. , Yang, Y., Blaabjerg, F. and Wang, D. (2015) Optimal selective harmonic control for power harmonics mitigation. IEEE Transactions on Industrial Electronics, 62(2), pp. 1220-1230. (doi: 10.1109/TIE.2014.2336629)

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This paper proposes an Internal Model Principle (IMP) based optimal Selective Harmonic Controller (SHC) for power converters to mitigate power harmonics. According to the harmonics distribution caused by power converters, a universal recursive SHC module is developed to deal with a featured group of power harmonics. The proposed optimal SHC is of hybrid structure: all recursive SHC modules with weighted gains are connected in parallel. It bridges the real “nk??m order RC” and the complex “parallel structure RC”. Compared to other IMP based control solutions, it offers an optimal trade-off among the cost, the complexity and the performance: high accuracy, fast transient response, easy-implementation, cost-effective, and also easy-to-design. The analysis and synthesis of the optimal SHC system are addressed. The proposed SHC offers power converters a tailor-made optimal control solution for compensating selected harmonic frequencies. Application examples of grid-connected inverters confirm the effectiveness of the proposed control scheme.

Item Type:Articles (Other)
Keywords:Selective Harmonic Control
Glasgow Author(s) Enlighten ID:Zhou, Dr Keliang
Authors: Zhou, K., Yang, Y., Blaabjerg, F., and Wang, D.
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
College/School:College of Science and Engineering > School of Engineering
Research Group:System Power and Energy
Journal Name:IEEE Transactions on Industrial Electronics
Publisher:Institute of Electrical and Electronics Engineers
ISSN (Online):1557-9948

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