A Simple Prediction Model for PCC Voltage Variation Due to Active Power Fluctuation of Grid Connected Wind Turbine

Sang-Jin Kim; Se-Jin Seong

A Simple Prediction Model for PCC Voltage Variation Due to Active Power Fluctuation of Grid Connected Wind Turbine

Sang-Jin Kim

Se-Jin Seong

Vol. 9, No. 1, pp. 85-92, Jan. 2009

10.6113/JPE.2009.9.1.85

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Abstract

This paper studies the method to predict voltage variation that can be presented in case of operating small-sized wind turbine in grid connection to the isolated small-sized power system. In order to do this, it makes up the simplified simulation model of the existing power plant connected to the isolated system, load, transformer, and wind turbine on the basis of PSCAD/EMTDC; compares them with the operating characteristics of the actual established wind turbine. In particular, it suggests the simplified model formed with equivalent impedance of the power system network including the load to analytically predict voltage variation at the connected point, and confirms that the voltage variation amount calculated by the suggested method accords with both simulation and actually measured data well. The results can be utilized as a tool to ensure security and reliability in the stage of system design and preliminary investigation of small-sized grid connected wind turbine.

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Cite this article

[IEEE Style]

S. Kim and S. Seong, "A Simple Prediction Model for PCC Voltage Variation Due to Active Power Fluctuation of Grid Connected Wind Turbine," Journal of Power Electronics, vol. 9, no. 1, pp. 85-92, 2009. DOI: 10.6113/JPE.2009.9.1.85.

[ACM Style]

Sang-Jin Kim and Se-Jin Seong. 2009. A Simple Prediction Model for PCC Voltage Variation Due to Active Power Fluctuation of Grid Connected Wind Turbine. Journal of Power Electronics, 9, 1, (2009), 85-92. DOI: 10.6113/JPE.2009.9.1.85.