Reactive power control strategy for a wind farm with DFIG

Weng, Yung-Tsai; Hsu, Yuan‐Yih

doi:10.1016/j.renene.2016.03.072

Cited by 36 publications

(5 citation statements)

References 14 publications

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“…An iterative algorithm can be proposed for a wind power generator to control reactive power. The control strategy is developed in five different operating modes: rotor current, rotor voltage, real power, reactive power and stator current [88]. In another survey demonstrated for PV generators, where a three‐phase grid‐tied controller system has been proposed using direct power controller and a sliding mode controller.…”

Section: Vpp Grid Servicesmentioning

confidence: 99%

Transformation of microgrid to virtual power plant – a comprehensive review

Yavuz

Önen

Muyeen

et al. 2019

IET Generation, Transmission & Distribution

109

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Section: Vpp Grid Servicesmentioning

confidence: 99%

Transformation of microgrid to virtual power plant – a comprehensive review

Yavuz

Önen

Muyeen

et al. 2019

IET Generation, Transmission & Distribution

109

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“…The authors of reference [12] proposed a multipurpose reactive power strategy to adjust the reactive power using flexible alternating current transmission (FACT) system devices. Moreover, reference [13] describes five operating modes to analyse the reactive power strategies adopted in DFIG WTs.…”

Section: Introductionmentioning

confidence: 99%

Development of practical allocation method for reactive power reference for wind farms through inner‐voltage restriction

Yoo

Jung

Song

et al. 2022

IET Generation Trans & Dist

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This study considers the optimal reactive power dispatch strategy that minimizes electrical loss while working within the constraints of the internal layout voltage. Wind turbines (WTs) with a power converter system can promptly generate reactive power, and when a reactive power order arrives from the connected grid, an operator can assign a reactive power reference to each wind turbine. Recently, multiple objective functions in use have been based on centralized control, but their flexibility has been determined as inadequate for situations in which the voltage range of the wind turbine is also a factor. The designated constraints of the voltage fluctuation for each section have thus been considered by designing and applying an adaptive method. The main purpose of such a method is to use general dispatch optimization while maintaining the voltage of each connection point within operating range. The included case studies are designed using an electromagnetic transients program that checks both the voltage and loss of the entire wind farm. We tried to identify voltage violations and confirmed the effectiveness of the proposed method. This work thus attempts to confirm whether an objective function can be implemented while also adhering to a certain grid code.

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“…The presented magnetic linked converter can eliminate the need for low frequency heavy transformers as well as solve isolation problems naturally. Among different wind energy integration techniques, DFIG is considered to be superior as its efficiency is high and the control of active and reactive powers can be decoupled [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Fault Ride through Capability Augmentation of a DFIG-Based Wind Integrated VSC-HVDC System with Non-Superconducting Fault Current Limiter

et al. 2019

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This paper proposes a non-superconducting bridge-type fault current limiter (BFCL) as a potential solution to the fault problems of doubly fed induction generator (DFIG) integrated voltage source converter high-voltage DC (VSC-HVDC) transmission systems. As the VSC-HVDC and DFIG systems are vulnerable to AC/DC faults, a BFCL controller is developed to insert sizeable impedance during the inception of system disturbances. In the proposed control scheme, constant capacitor voltage is maintained by the stator VSC (SVSC) controller, while current extraction or injection is achieved by rotor VSC (RVSC) controller. Current control mode-based active and reactive power controllers for an HVDC system are developed. Balanced and different unbalanced faults are applied in the system to show the effectiveness of the proposed BFCL solution. A DFIG wind-based VSC-HVDC system, BFCL, and their controllers are implemented in a real time digital simulator (RTDS). The performance of the proposed BFCL control strategy in DFIG-based VSC-HVDC system is compared with a series dynamic braking resistor (SDBR). Comparative RTDS implementation results show that the proposed BFCL control strategy is very efficient in improving system fault ride through (FRT) capability and outperforms SDBR in all cases considered.

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Reactive power control strategy for a wind farm with DFIG

Cited by 36 publications

References 14 publications

Transformation of microgrid to virtual power plant – a comprehensive review

Transformation of microgrid to virtual power plant – a comprehensive review

Development of practical allocation method for reactive power reference for wind farms through inner‐voltage restriction

Fault Ride through Capability Augmentation of a DFIG-Based Wind Integrated VSC-HVDC System with Non-Superconducting Fault Current Limiter

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