Study on the Control Strategy for Parallel Operation of Inverters Based on Adaptive Droop Method

Study on the Control Strategy for Parallel Operation of Inverters Based on Adaptive Droop Method

This paper studies droop method based wireless parallel operation of inverters. With conventional droop method, the voltage deviation is usually quite severe to achieve good power sharing among the inverters connected in parallel. To overcome this problem, an adaptive droop method is developed by wh...

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Bibliographic Details
Published in:2006 1ST IEEE Conference on Industrial Electronics and Applications pp. 1 - 5
Main Authors: Yang, S.Y., Zhang, C.W., Zhang, X., Cao, R.X., Shen, W.X.
Format: Conference Proceeding
Language:English
Published: IEEE 01-05-2006
Subjects:
Adaptive control
Centralized control
Distributed control
Filters
Inverters
Power engineering and energy
Programmable control
Reactive power
Transient response
Voltage control
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Summary:This paper studies droop method based wireless parallel operation of inverters. With conventional droop method, the voltage deviation is usually quite severe to achieve good power sharing among the inverters connected in parallel. To overcome this problem, an adaptive droop method is developed by which the trade-off between voltage regulation and power sharing is relieved significantly. In addition, the second order filter rather than the first order filter that is adopted to obtain the average power drawn from each module improves the transient response. Experiment has been carried out on the system with two inverters in parallel. The results have validated the strategy developed
ISBN:0780395131
9780780395138
DOI:10.1109/ICIEA.2006.257292