Frequency Adaptive Repetitive Control of Grid-Tied Three-Phase PV Inverters

Zhou, K. , Yang, Y. and Blaabjerg, F. (2016) Frequency Adaptive Repetitive Control of Grid-Tied Three-Phase PV Inverters. In: 8th IET International Conference on Power Electronics, Machines and Drives (PEMD 2016), Glasgow, Scotland, 19-21 Apr 2016, ISBN 9781785611889 (doi: 10.1049/cp.2016.0212)

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Repetitive control offers an accurate current control scheme for grid-tied converters to feed high quality sinusoidal current into the grid. However, with grid frequency being treated as a constant value, conventional repetitive controller fail to produce high quality feeding current in the presence of practical time-varying grid frequency. This paper explores frequency adaptive repetitive control strategy for grid-interfaced converters, which employs fractional delay filter to adapt to the change of grid frequency. Case studies with experimental results of three-phase grid-connected converter system are provided to verify the proposed controller.

Item Type:Conference Proceedings
Glasgow Author(s) Enlighten ID:Zhou, Dr Keliang
Authors: Zhou, K., Yang, Y., and Blaabjerg, F.
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
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