Analysis and Compensation of PCC Voltage Variations caused by Wind Turbine Power Fluctuations

Ji-Hoon Im; Seung-Ho Song; San Kang

Analysis and Compensation of PCC Voltage Variations caused by Wind Turbine Power Fluctuations

Ji-Hoon Im

Seung-Ho Song

San Kang

Vol. 13, No. 5, pp. 854-860, Sep. 2013

10.6113/JPE.2013.13.5.854

Grid connection

PCC voltage variation

Power fluctuation

Reactive power compensation

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Abstract

The voltage variation problem at the point of common coupling (PCC) in a grid-connected wind turbine is investigated. The voltage variation problem is one of the most frequent power quality issues for the grid connection of large amounts of input power in a weak grid. Through the simplified modeling of the wind turbine and power network, the magnitude of PCC voltage variation is calculated by using the equivalent circuit parameters and output power of the wind turbine. The required amount of reactive power that can compensate the voltage variation is also presented analytically by using the vector diagram method. The proposed calculation and compensation method of the PCC voltage variation is verified by computer simulations and experiments.

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Cite this article

[IEEE Style]

J. Im, S. Song, S. Kang, "Analysis and Compensation of PCC Voltage Variations caused by Wind Turbine Power Fluctuations," Journal of Power Electronics, vol. 13, no. 5, pp. 854-860, 2013. DOI: 10.6113/JPE.2013.13.5.854.

[ACM Style]

Ji-Hoon Im, Seung-Ho Song, and San Kang. 2013. Analysis and Compensation of PCC Voltage Variations caused by Wind Turbine Power Fluctuations. Journal of Power Electronics, 13, 5, (2013), 854-860. DOI: 10.6113/JPE.2013.13.5.854.