| IGBT型Crowbar保护电路仿真研究 |
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| 引用本文： | 杨睿琬,何志琴,周进,马文辉.IGBT型Crowbar保护电路仿真研究[J].电测与仪表,2017,54(15). |
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| 作者姓名： | 杨睿琬 何志琴 周进 马文辉 |
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| 作者单位： | 贵州大学 电气工程学院,贵阳,550025 |
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| 基金项目： | 贵州省科技厅科技合作计划项目 |
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| 摘 要： | 采用Crowbar保护电路可以极大地提高双馈式风电系统的低电压穿越能力(LVRT)。建立了双馈风力发电机(DFIG)的数学模型,对IGBT型Crowbar保护电路关键参数—卸能电阻最优值范围进行研究。并通过MATLAB/Simulink搭建了变速恒频DFIG风力发电系统模型,仿真表明当电网电压大幅度跌落时采取Crowbar保护电路的必要性。
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| 关 键 词： | 双馈风力发电机 低电压穿越能力 IGBT型Crowbar保护电路 卸能电阻最优值 |
| 收稿时间： | 2017/1/3 0:00:00 |
| 修稿时间： | 2017/1/3 0:00:00 |
Simulation of IGBT Crowbar Circuit |
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| yangruiwan,hezhiqin,zhoujin and mawenhui.Simulation of IGBT Crowbar Circuit[J].Electrical Measurement & Instrumentation,2017,54(15). |
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| Authors: | yangruiwan hezhiqin zhoujin and mawenhui |
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| Affiliation: | Guizhou university college of electronic engineering,Guizhou university college of electronic engineering,Guizhou university college of electronic engineering,Guizhou university college of electronic engineering |
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| Abstract: | The Crowbar protection circuit can greatly improve the low-voltage ride-through (LVRT) capability of the doubly-fed wind power system.This paper establishes the mathematical model of doubly-fed induction generator (DFIG), which is used to study the key parameters of the Crowbar protection circuit based on IGBT type-optimal value range of discharge resistance.And a model of VSCF DFIG wind power generation system is built through MATLAB/Simulink.The simulation show that the necessity to take crowbar protection circuit when the grid voltage drops significantly. |
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| Keywords: | double-fed wind generator low-voltage ride-through capability IGBT Crowbar protection circuit optimal value of discharge resistance |
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