Control of a new stand-alone wind turbine-based variable speed permanent magnet synchronous generator using quasi-Z-source inverter

被引:22
作者
Bajestan, Mehran Moslehi [1 ]
Madadi, Hamed [2 ]
Shamsinejad, Mohammad Ali [1 ]
机构
[1] Univ Birjand, Dept Elect & Comp Engn, Avini Blvd, Birjand, Iran
[2] Islamic Azad Univ, Neyshabour Branch, Fac Engn, Somee Rd, Neyshabour, Iran
关键词
Permanent magnet synchronous generator (PMSG); Stand-alone wind energy conversion system (SWECS); Quasi-Z-source inverter (qZSI); Battery storage system; Dump load; Maximum power point tracking (MPPT); SOURCE MATRIX CONVERTER; PREDICTIVE CONTROL; STABILITY ANALYSIS; GRID INTERFACE; POWER; SYSTEM; DESIGN; MANAGEMENT; OPERATION; VOLTAGE;
D O I
10.1016/j.epsr.2019.106010
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper a new variable speed permanent magnet synchronous generator (PMSG)-based stand-alone wind energy conversion system (SWECS) is proposed. The interface between the PMSG and the isolated load is accomplished by a quasi -Z-source inverter (qZSI) with battery storage system. The battery-assisted qZSI can balance the stochastic fluctuations of the wind power injected to the load and improve the voltage and frequency control. In addition to the battery storage, a dump load is used in the proposed SWECS to better maintain the active power balance and stability of the dc-link voltage during over-generation condition as well as sudden load changes. The proposed control system is able to provide an uninterrupted and reliable supply to sensitive loads under various power generation scenarios of the SWECS and sudden changes in the load demand. Moreover, the proposed controller provides maximum power point tracking (MPPT) which is essential for optimum operation of the SWECS. The validity of the proposed system is proved by simulation results carried out using MATLAB/SIMULINK.
引用
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页数:15
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