电流瞬时值控制的逆变器并联系统

被引:5
作者
吕晓东
李武华
吴建德
何湘宁
机构
[1] 浙江大学电气工程学院
关键词
逆变器并联系统; 电流瞬时值均流控制; 小信号模型;
D O I
暂无
中图分类号
TM464 [逆变器];
学科分类号
080801 ;
摘要
对采用最大电流控制法、平均电流控制法、3C电流控制法和加权电流控制法等电流瞬时值均流控制的逆变器并联系统进行统一建模,提出了一种统一的小信号模型.利用该模型,可以很方便地分析系统在电路参数一致和不一致情况下的均流环稳定性问题.对多台并联系统的阻抗匹配特性问题进行了研究和探讨,讨论了均流环控制参数和并联逆变器台数对并联系统均流性能的影响.通过对两台220 V输出、单台最大输出功率为1 kW的逆变器并联系统进行实验,验证了理论分析的正确性.
引用
收藏
页码:153 / 158
页数:6
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