摘要
新型开关磁阻发电机具有发电容量大、效率高、起动和发电组合容易等优点,三电平逆变器具有能减少开关损耗和滤波电感损耗并有降低开关应力等特点。利用三电平逆变器转换效率高的优势,结合新型开关磁阻发电机低风速发电特点,降低开关损耗和开关器件电压应力,提高装置可靠性。仿真实验结果表明:用三电平逆变器能够很好的实现开关磁阻发电机的逆变要求。
The new style switched reluctance generator has many advantages,such as great generating capacity,high efficiency,as well as convenient combination of starting,and generating electricity.In addition,the loss of switches and filter inductors can be reduced by three level inverters.It can reduce the switch loss and voltage stress of devices,by making use of three-level inverters,the reliability of devices can be improved.With high conversion efficiency and combining,this newstyle switched reluctance generator can achieve the low wind power characteristics.Simulation results has verified that threelevel inverters can meet the requirement of switched reluctance generator.
出处
《计算技术与自动化》
2014年第2期46-51,共6页
Computing Technology and Automation
基金
国家能源局-国家发展改革委项目(发改2011(1952)号)
湖南省自科基金项目(11JJ8004)
湖南省教育厅重点项目(JG2011A012)
关键词
开关磁阻发电系统
三电平逆变器
开关器件电压应力
转换效率
Switched Reluctance Generator (SRG)
Three-level inverter
voltage stress of switching devices
conversion efficienc