STATCOM Impact Study on the Integration of a Large Wind Farm into a Weak Loop Power System

Han, Chunyan; Huang, Alex Q.; Baran, Mesut; Bhattacharya, Subhashish; Litzenberger, Wayne H.; Anderson, Loren A.; Johnson, A.; Edris, A.

doi:10.1109/psce.2006.296488

Cited by 47 publications

(46 citation statements)

References 16 publications

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“…The controller of bidirectional DC/DC converter 2 is a deadzone function with variable parameters (Han et al 2006). The deadzone starts from the threshold i b1 and ends with the threshold i b2 ; the slopes k 1 and k 2 control the current values dispatched from the battery.…”

Section: Charge/discharge Controls For Bidirectional Convertersmentioning

confidence: 99%

“…Wind energy has shown a rapid growth as a clean and renewable energy source (Teleke et al 2009;Han et al 2006;Yoshimoto, Nanahara, and Koshimizu 2006). However, with an increase in penetration levels, it is of considerable concern that a fluctuating power output of wind power systems would affect the operation of interconnected grids (Teleke et al 2009).…”

Section: Introductionmentioning

confidence: 99%

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Stand-alone wind power system with battery/supercapacitor hybrid energy storage

Pan

Wan

2013

International Journal of Sustainable Engineering

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This paper presents a stand-alone wind power system with battery/supercapacitor hybrid energy storage. A stand-alone wind power system mainly consists of a wind turbine, a permanent magnet synchronous generator, hybrid energy storage devices based on a vanadium redox flow battery and a supercapacitor, an AC/DC converter, two bidirectional DC/DC converters, a DC/AC converter and a variable load. Several control strategies for the stand-alone wind power system are involved such as a maximum power point tracking (MPPT) control, a vanadium redox flow battery charge/discharge control and a supercapacitor charge/discharge control. The proposed MPPT control combines a sliding mode control with an extreme search control to capture maximum wind energy. This strategy avoids the necessity of measuring wind velocity, obtaining models or parameters of the wind turbine and calculating the differentials of the power generated from the wind power system and from the speed of the generator. The battery charge/discharge control maintains a constant DC bus voltage. When the battery charging/discharging current reaches the setting threshold, the charge/discharge control of the supercapacitor is triggered to limit the charging/discharging current of the battery. The simulation results show that the proposed method can rapidly respond to variations in wind velocity and load power.

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Section: Charge/discharge Controls For Bidirectional Convertersmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Stand-alone wind power system with battery/supercapacitor hybrid energy storage

Pan

Wan

2013

International Journal of Sustainable Engineering

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“…Owing to the advantageous characteristics such as flexible regulation of active and reactive power and lower requirement for converter capacity, the doubly-fed induction generator (DFIG) has been widely used for wind turbine. To implement the stable operation and effective energy conversion of the DFIG-based wind turbine, the grid connection technology for the wind farms becomes more and more essential [1][2][3][4].…”

Section: Introductionmentioning

confidence: 99%

Coordinated control strategy for doubly‐fed induction generator with DC connection topology

Nian

2015

IET Renewable Power Generation

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With the development of wind power generation system and requirement of large-scale and long-distance power transmission, it is greatly important for wind farm to achieve the high effective DC grid connection technology. This study presents a novel grid connection topology for doubly-fed induction generator (DFIG) connected to a DC-link, in which a stator side converter and rotor side converter fed by a common DC bus are employed. Coordinated control method for the converters is proposed to regulate the electromagnetic torque directly based on the air-gap flux orientation technique. Compared with the traditional grid connection system, the proposed system has a lot of advantages such as simpler structure, lower requirement for the converter capacity and higher power transmission efficiency. The power distribution between stator side converter and rotor side converter is analysed based on the proposed grid connection topology. Finally, DFIG-based experimental system is developed to validate the correctness and availability of the proposed DC grid connection topology and control strategy.

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“…For example, the advantage of Static Var Compensator (SVC) on reactive power compensation was investigated [2][3][4]. The function of Static Synchronous Compensator (STATCOM) was studied [5,6]. An improvement to the traditional DVR device was proposed in [7] which greatly enhances the LVRT ability of wind turbine.…”

Section: Introductionmentioning

confidence: 99%

Active power and reactive power dispatch of wind farm based on wavelet learning

Wang

Zhang

et al. 2015

Int. J. Mach. Learn. & Cyber.

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During normal operation, the doubly-fed induction generator (DFIG) generates certain range of reactive power. The DFIG based wind farm can participate in reactive power control of grid as a reactive power supply. In order to get a more stable input wind speed of the DFIG, wavelet multi-resolution analysis method is used. This paper proposes a kind of power dispatch model which considers a learning mechanism of minimum copper loss of all DFIGs in wind farm as an objective function. An active power and reactive power allocation optimization model is established. This power dispatch model makes the working condition of DFIGs and the PCC running in the optimum state. The active power and reactive power generated by wind farm satisfy the power gird requirements of both active power and reactive power. The advantage of the proposed method is verified by a case study which successfully demonstrates the learning mechanism.

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STATCOM Impact Study on the Integration of a Large Wind Farm into a Weak Loop Power System

Cited by 47 publications

References 16 publications

Stand-alone wind power system with battery/supercapacitor hybrid energy storage

Stand-alone wind power system with battery/supercapacitor hybrid energy storage

Coordinated control strategy for doubly‐fed induction generator with DC connection topology

Active power and reactive power dispatch of wind farm based on wavelet learning

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