Impact of Different PQ Models of Wind Turbine Generating Units (WTGUs) on System Voltage Performance

Moger, Tukaram and Dhadbanjan, Thukaram (2017) Impact of Different PQ Models of Wind Turbine Generating Units (WTGUs) on System Voltage Performance. In: International Journal of Emerging Electric Power Systems, 18 (4). ISSN 1553-779X

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Abstract

This paper presents the voltage performance analysis of the system with various types of wind turbine generating units (WTGUs). A detailed voltage performance analysis is carried out by considering the different PQ models used for computing the reactive power output of the WTGUs (fixed/semi-variable speed and variable speed WTGUs). The different PQ models of fixed/semi-variable speed WTGUs incorporated for the studies are voltage dependent model, voltage independent model, power factor based model, and PX model. In addition, the variable speed WTGUs are also considered in different fixed power factor mode of operation. Based on these models, a comparative analysis is presented. A modified 27-bus equivalent distribution test system with dispersed wind generation is considered for the studies. Further, the case studies have been carried out by considering the various wind power output levels of WTGUs to examine its impact on system voltage performance. From the comparative analysis, the power factor based model can be the best choice over the other models (which are based on voltages) for the system studies with fixed/semi-variable speed WTGUs.

Item Type:	Journal Article
Publication:	International Journal of Emerging Electric Power Systems
Publisher:	Walter de Gruyter GmbH
Additional Information:	The Copyright of this article belongs to the Walter de Gruyter GmbH.
Keywords:	comparative analysis; grid operation; power flow analysis; PQ models; wind farms; WTGUs; Electric load flow; Electric power factor; Reactive power; Speed; Turbogenerators; Wind power; Wind turbines; Comparative analysis; Grid operation; Power flow analysis; Wind farm; WTGUs; Power quality
Department/Centre:	Division of Electrical Sciences > Electrical Engineering
Date Deposited:	24 Jun 2022 10:09
Last Modified:	24 Jun 2022 10:09
URI:	https://eprints.iisc.ac.in/id/eprint/73547

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