| 双PWM变频器励磁的变速恒频风电系统 |
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| 引用本文： | 王君瑞.双PWM变频器励磁的变速恒频风电系统[J].电机技术,2011(3):5-9. |
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| 作者姓名： | 王君瑞 |
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| 作者单位： | 北方民族大学,750021 |
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| 摘 要： | 采用双PWM变频器作为双馈感应发电机(DFIG)变速恒频风力发电系统的励磁电源,分析了发电机的数学模型及系统的控制策略.网侧变换器采用电网电压定向控制策略,以保持直流电压稳定和网侧单位功率因数运行,实现能量的双向流动.转子侧变换器采用定子磁链定向控制策略,以实现最大风能捕获和定子无功功率的调节.在Matlab/Simu...
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| 关 键 词： | 双PWM变频器 双馈感应发电机 变速恒频 |
VSCF Wind Power Generation System Excited by Back-to-back PWM Converter |
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| Wang Junrui.VSCF Wind Power Generation System Excited by Back-to-back PWM Converter[J].Electrical Machinery Technology,2011(3):5-9. |
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| Authors: | Wang Junrui |
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| Affiliation: | Wang Junrui Beifang University of Nationality |
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| Abstract: | Adopting back-to-back PWM converter as AC-supply of variable speed constant frequency wind power system based on doubly fed induction generator,the mathematic model of generator and the control strategies of system were analyzed.Grid-side adopted the control strategy of grid voltage orientation to achieve the stability of DC-link voltage,to maintain the better power factor of grid-side and bi-direction flowing ability of energy.Rotor-side adopted the control strategy of stator flux orientation to achieve ma... |
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| Keywords: | Back-to-Back PWM converter Doubly-fed induction generator(DFIG) Variable speed constant frequency |
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