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Title: DFIG wind turbine fault ride through capability improvement with control strategy
Authors: Gao, XD
Meng, K
Yang, LH
Xu, Z 
Dong, ZY
Luo, FJ
Wong, KP
Keywords: Battery energy storage system
Doubly fed induction generator
Low voltage ride through
PID control
Issue Date: 2015
Publisher: Institution of Engineering and Technology
Source: IET Seminar Digest, 2015, v. 2015, no. 8 How to cite?
Abstract: To enhance the performance of doubly fed induction generator (DFIG) wind turbine during low voltage events, a battery energy storage system (BESS) together with advanced control schemes are proposed. The novel control strategy utilizes the existing devices within the DFIG wind turbine system to achieve low voltage ride through (LVRT) by controlling rotor and grid side converters and BESS. The advanced control scheme can save the major excessive power into turbine inertia by accelerating the turbine rotating speed. Therefore, relatively small quantity of power will flow into dc-link, which can reduce the capacity of BESS. Moreover, the sequence of control scheme and BESS activation time was discussed in this paper which can help us to determine the battery charging period. Through this cooperated control scheme, the sensitive power electronics devices can be protected against current and voltage fluctuations. The proposed control scheme is validated through dynamic simulations.
Description: 10th International Conference on Advances in Power System Control, Operation and Management, APSCOM 2015, Hong Kong, 8-12 November 2015
Appears in Collections:Conference Paper

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