摘要
本文介绍了开关功率放大器的拓扑及控制方案的选择,拓扑选择方面介绍了多电平电路以及多电平电路的交错级联,控制方案方面介绍了三角载波移相PWM技术。通过两者的结合,开关功率放大器可以获得高质量的输出波形,最后设计了一个1kW, 5kHz的多电平电路实验模型,实验结果验证了这一效果。
Paper presents the selection of topology and control scheme for switching power amplifier. In the topology selection side,paper introduces the multilevel inverter and interleave of multilevel inverter, and in the control scheme selection side, the triangular carrier phase shifting PWM technique is introduced. With the combination of these two selections, the switching power amplifier will gain the high quality output waveform, which is verified by the experimental result of a 1kW, 5kHz prototype with multilevel inverter topology.
出处
《电源世界》
2007年第6期5-8,共4页
The World of Power Supply
基金
台达电力电子科教发展基金项目。
