| 1. | Research on a novel control method of a hf link dc ac converter
励磁控制下抽水蓄能电机静止变频器起动研究 |
| 2. | Typical application of electric propulsion system used on ac converter
交流变频调速电力推进系统的典型应用 |
| 3. | Ac converter circuit
交流?换回路 |
| 4. | Dc - ac converter
直流一交流转换器 |
| 5. | The present status and development trend of ac / ac converters are firstly presented in the thesis
本文首先论述了ac ac变换器的发展及现状。 |
| 6. | The present status , development trend and application field of ac / ac converters are firstly presented in the thesis
本文首先论述了ac ac变换器的发展现状及应用前景。 |
| 7. | The present status , development trend and application field of ac / ac converters are firstly presented in the thesis
本文首先论述了ac ac变换技术的发展现状及应用前景。 |
| 8. | Then the direct ac - ac converter was gotten by eliminating the middle direct current link
整流阶段，采用输入电流空间矢量调制；逆变阶段，采用输出电压空间矢量过调制模式。 |
| 9. | The research of direct ac / ac converters derived from dc - dc topologies by using bi - directional power devices is a hotspot in recent years
基于dc - dc拓扑、通过双向化功率开关实现直接ac / ac变换,是近年来ac / ac功率变换技术研究的热点。 |
| 10. | Comparing with the ac - dc - ac converter , the commutation process of a matrix converter ( mc ) is more complicated due to having no natural free - wheeling paths
摘要由于矩阵变换器( mc )电路没有续流路径，它的换流过程比交直交变换器更为复杂。 |
