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Hybrid Secondary Voltage Control combined with Large-Scale Wind Farms and Synchronous Generators
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 Title & Authors
Hybrid Secondary Voltage Control combined with Large-Scale Wind Farms and Synchronous Generators
Kim, Jihun; Lee, Hwanik; Lee, Byongjun; Kang, Yong Cheol;
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For stable integration of large-scale wind farms, integration standards (Grid codes) have been proposed by the system operator. In particular, voltage control of large-scale wind farms is gradually becoming important because of the increasing size of individual wind farms. Among the various voltage control methods, Secondary Voltage Control (SVC) is a method that can control the reactive power reserve of a control area uniformly. This paper proposes hybrid SVC when a large-scale wind farm is integrated into the power grid. Using SVC, the burden of a wind turbine converter for generating reactive power can be reduced. To prove the effectiveness of the proposed strategy, a simulation study is carried out for the Jeju system. The proposed strategy can improve the voltage conditions and reactive power reserve with this hybrid SVC.
Grid code;Large scale wind farms;Voltage/reactive power control;Secondary voltage control;
 Cited by
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