Improved Symmetrical Pulse-Density-Modulation Induction Heating Power Based on FPGA

摘要：

This paper proposes an improved symmetrical PDM (Pulse-Density-Modulated) method,which distributes the pulses in a work cycle more symmetrically comparing with the previous PDM approaches,to avoid the output current unstable and discontinuous in light load status. A state machine method is implemented to generate the symmetrical pulses based on FPGA. The details of improved symmetrical PDM principle,generation circuits and control circuit design are given. Some experimental results are shown to verify the validity of the method.

关键词： PDM FPGA induction heating

作者: Zhijuan Zhang Chao Liu

作者单位: School of Electrical and Electronic Engineering North China Electric Power University,Baoding 071003,China

会议类型: 国际会议

会议名称: 2009 9th International Conference on Electronic Measurement & Instruments(第九届电子测量与仪器国际会议 ICEMI2009)

会议地点: 北京

会议语种:英文

页码: 1460-1463

在线出版日期: 2009-08-16（万方平台首次上网日期，不代表论文的发表时间）