Control strategy of doubly‐fed induction generator during the grid voltage swell

Zou, Le; Xueguang, Wu; Kou, Longze; Liu, Dong; Li, Fangyuan; Han, Ming‐Yong

doi:10.1049/joe.2018.8834

Cited by 5 publications

(4 citation statements)

References 4 publications

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“…The reference value of the reactive current can be determined by formula (23), and then the active current must satisfy the following requirement:…”

Section: Control Scheme Of the Rotor Side Converter (Rsc) Coordinated...mentioning

confidence: 99%

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Improving fault ride‐through capability for doubly‐fed induction generator based on improved system structure and corresponding control scheme

Xian

Zhang

et al. 2023

IET Energy Syst Integration

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Although there are many methods to improve the fault ride‐through (FRT) capability of doubly‐fed induction generator (DFIG) systems at present, each method has its shortcomings, especially the applicability under different voltage dips (VDs), so an improved system structure with a dynamic switching topology and a corresponding control scheme is proposed. Based on the mechanism analysis that the series impedance of the stator can effectively reduce the overcurrent on the rotor side, and considering the feasibility of the FRT scheme in engineering, the dynamic switching topology is designed. The selection of theoretical parameters in different cases is also analysed and designed. Simultaneously, to cooperate with the hardware measures, the control scheme of the rotor side converter (RSC) under different conditions is also improved. The RSC can use the control scheme of active flux attenuation to effectively and quickly reduce the overcurrent on the rotor side, and use reactive power support to accelerate the voltage recovery. The novelty of the FRT scheme is that the scheme can dynamically adjust the topology structure and control scheme under different voltage dips. Thus, its ride‐through performance during fault is better under different conditions. A simulation model of the improved system structure and control scheme is built on the MATLAB/Simulink platform. Through the comparison of simulation data, the validity and correctness of the proposed FRT scheme are verified.

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“…The reference value of the reactive current can be determined by formula (23), and then the active current must satisfy the following requirement:…”

Section: Control Scheme Of the Rotor Side Converter (Rsc) Coordinated...mentioning

confidence: 99%

“…Therefore, some scholars have proposed other FRT schemes in which the hardware and control strategy are combined in refs. [23][24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Improving fault ride‐through capability for doubly‐fed induction generator based on improved system structure and corresponding control scheme

Xian

Zhang

et al. 2023

IET Energy Syst Integration

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“…From Equation (11), rand q is a randomly generated number in the time interval [0, 1]. Thus, acceleration a k p for 'p' agent with 'i' time, along with k th direction is given in Equation (12).…”

Section: Proposed Gsa Techniquementioning

confidence: 99%

“…These functioning modes of DFIG are liable for the three-phase terminal voltage (Vabc), current (Iabc) as well as real and reactive (P, Q) power direction at grid frequency with constant DC link voltage [10]. The covering approaches for Vabc, Iabc and P, Q, DC-link voltage, speed, transient, and dynamic performance are depicted in [11][12][13]. So, it is essential to develop control techniques for DFIG based WECS.…”

Section: Introductionmentioning

confidence: 99%

Controller design for DFIG‐based WT using gravitational search algorithm for wind power generation

Bharti

Sarita

Vardhan³

et al. 2021

IET Renewable Power Gen

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This paper describes the controller design aspects of DFIG-based wind turbine system (WTS) using gravitational search algorithm (GSA). The appropriate control schemes are required for efficient and reliable functioning of the DFIG-based wind energy conversion system (WECS). The control algorithms are implemented in converters which are placed in the rotor end and grid side of the WECS. The controller design schemes are optimized for accurate, reliable and stable operations of WECS using GSA. The most commonly used other design techniques are bacterial foraging optimization (BFO), and particle swarm optimization (PSO). Moreover, the transfer function modeling of DFIG is also described in this paper. The results show that the proposed GSA technique with sixths order transfer function model of DFIG improves the transient performance including time of rising the response to 90%, settling time, and amplitude of peak overshoot. The proposed GSA technique is compared with the techniques already implemented in the previous research works including PSO and BFO. The DFIG-based WTS's output waveforms of voltage at dc-link, reactive power, and active power are improved using GSA based design technique. Finally, it is concluded that the GSA technique gives better results as compared with the PSO and BFO techniques.This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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A comprehensive FRT scheme of DFIG based on an improved DC chopper and matching control strategy

Xian

Wang

et al. 2022

Int J Syst Assur Eng Manag

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Control strategy of doubly‐fed induction generator during the grid voltage swell

Cited by 5 publications

References 4 publications

Improving fault ride‐through capability for doubly‐fed induction generator based on improved system structure and corresponding control scheme

Improving fault ride‐through capability for doubly‐fed induction generator based on improved system structure and corresponding control scheme

Controller design for DFIG‐based WT using gravitational search algorithm for wind power generation

A comprehensive FRT scheme of DFIG based on an improved DC chopper and matching control strategy

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