Study On The Control Scheme Of DFIG Wind Power System With Super Capacitors Under Nonlinear Load
Wind energy is a kind of clean renewable energy resource with the characteristic of intermittent, fluctuant and stochastic, highly depends on the weather condition. The adoption of energy storage device based on super capacitors is an efficient way to keep the output power of the DFIG stable when the wind sgeed varies or the load of generation system is nonlinear. This paper proposes a new control scheme for DFIG wind power system with super capacitors paralleling to DC link through a bi-directional converter in series with a three phase PWM inverter. Then, a control method combining maximum power tracking control, grid side and rotor side converters control and super capacitors energy unit control is designed. The simulation model under Simulink is established to verify the effectiveness of this control scheme. The results show that the operation performance of DFIG wind power system can be obviously improved under the nonlinear load.
doubly fed induction generator wind power converter super capacitors
Lingyun Wang Li Huang Jian Sun Juan Meng
School of Electrical Engineering & Renewable Energy China Three Gorges University Yichang, China Three Gorges Hydrology and Water Resources Survey Bureau Changjiang Water Resources Commission Yicha
国际会议
三峡
英文
1885-1888
2012-05-18（万方平台首次上网日期，不代表论文的发表时间）