Active and reactive power regulation in wind turbines based on BDFIG machines

2017 ◽  
Author(s):  
Pablo E. Troncoso ◽  
Ricardo J. Mantz ◽  
Pedro E. Battaiotto
Keyword(s):  
Wind Turbines ◽  
Reactive Power ◽  
Active And Reactive Power ◽  
Power Regulation

Simulation and Control of Doubly Fed Induction Generator (DFIG) Used in Wind Turbines by Using Genetic Algorithm

2016 ◽  
Vol 10 (8) ◽  
pp. 1
Author(s):  
Faraz Chamani ◽  
Mohammad Satkin
Keyword(s):  
Power Systems ◽  
Wind Power ◽  
Wind Turbines ◽  
Reactive Power ◽  
Wind Farms ◽  
Induction Generator ◽  
Doubly Fed Induction Generator ◽  
Transient Faults ◽  
Active And Reactive Power ◽  
Doubly Fed

Wind energy is one of the extraordinary sources of renewable energy due to its clean character and free availability. With increase in wind power penetration, the wind farms are directly influencing the power systems. The majority of wind farms are using variable speed wind turbines equipped with doubly fed induction generators (DFIG) due to their advantages over other wind turbine generators (WTGs). Therefore, the analysis of wind power dynamics with the DFIG wind turbines has become a very important research issue, especially during transient faults. In this article, a controller is provided to control the active and reactive power of a wind system equipped with doubly fed induction generator. The generator is connected to the grid by a back to back converter that gets benefit from control system known as single periodic controller. Grid and generator side converters respectively control the generator speed and reactive power using proposed controller. In order to increase the accuracy of controller, we optimized its PI parameters using genetic optimization algorithm. Finally, simulation results conducted by the MATLAB software are shown. The results of simulation gained through this system, show the capability of proposed controller under error conditions for controlling active and reactive power and also elimination of harmonics caused by non-linear load.

Reducing Voltage Fluctuations in Wind Turbines by SVC Method

2016 ◽  
Vol 850 ◽  
pp. 166-171
Author(s):  
Amir Jahi ◽  
S.S. Tezcan
Keyword(s):  
Power Systems ◽  
Power Quality ◽  
Wind Turbines ◽  
Reactive Power ◽  
Voltage Characteristic ◽  
Wind Generation ◽  
Static Var Compensator ◽  
Voltage Fluctuations ◽  
Power Regulation

Today because of increasing wind generation in the power systems, voltage variations are critical in power quality of grid combination of wind energy. This paper presents a Static Var Compensator (SVC) as an efficient choice for the reactive power regulation of wind turbines to decrease voltage fluctuations, and the proposed modulation is performed for the cases with and without SVC. The simulation showed the effective influences of the SVC on the voltage characteristic with the unexpected changes in the voltage magnitude.

scholarly journals Active and reactive power regulation in doubly fed asynchronous generator

2018 ◽  
Vol 19 ◽  
pp. 01022
Author(s):  
Cezary Jędryczka ◽  
Jacek Prościak
Keyword(s):  
Control Algorithm ◽  
Reactive Power ◽  
Doubly Fed Induction Generator ◽  
Wind Energy Conversion ◽  
Active And Reactive Power ◽  
Power Regulation ◽  
Asynchronous Generator ◽  
Energy Conversion System ◽  
Doubly Fed ◽  
The Mathematical Model

The paper deals with active and reactive power regulation in doubly fed induction generator (DFIG) installed in the wind energy conversion system (WECS). The mathematical model of the studied machine has been proposed and suited for implementation of the field oriented control algorithm (FOC). The control strategy for decoupling the active and reactive power regulation has been proposed and implemented in Matlab/Simulink environment. Selected results of simulations have been presented and discussed.

scholarly journals Power Balance Optimization Technology of Microgrid Based on Full-Bridge Converter

Complexity ◽  
2020 ◽  
Vol 2020 ◽  
pp. 1-11
Author(s):  
Shuailong Dai ◽  
Bin Cao ◽  
Rui Liu ◽  
Liyang Zhu ◽  
Mengfan Li
Keyword(s):  
Control Strategy ◽  
Reactive Power ◽  
Coordinated Control ◽  
Power Balance ◽  
Power Imbalance ◽  
Bridge Structure ◽  
Active And Reactive Power ◽  
Power Regulation ◽  
Target Power ◽  
And Control

Independent microgrids are widely used in islands and remote townships. However, power imbalance often leads to fluctuations in voltage and frequency, which inhibit the development of AC microgrids. To overcome such problems, this paper proposes an optimized full-bridge converter energy storage structure to realize power balance and optimization of the microgrid. The proposed structure has the characteristics of simple design, easy modularization, and flexible power regulation. First, the working structure and mathematical model are analyzed, and the power model is then established. From the viewpoint of capacitor charging and discharging and inverter, the active and reactive power control technology of the full-bridge structure is analyzed, and a multimode power coordinated control strategy is adopted to adjust and optimize the target power. Finally, the feasibility of the structure and control strategy is verified through a simulation and an experiment. In summary, this study is of great significance to the future promotion and application of AC microgrids.

A Proposal to Control Active and Reactive Power in Distributed Generation Systems Using Small Wind Turbines

2020 ◽  
Vol 18 (10) ◽  
pp. 1699-1706
Author(s):  
Pedro Jose dos Santos Neto ◽  
Adeon Cecilio Pinto ◽  
Tarcio Andre dos Santos Barros ◽  
Ernesto Ruppert Filho
Keyword(s):  
Distributed Generation ◽  
Wind Turbines ◽  
Reactive Power ◽  
Active And Reactive Power ◽  
Small Wind Turbines
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