A comparison of output envelope waveforms of the delta-sigma modulated class D series resonant inverter

被引：2
|
作者：
Koizumi, Hirotaka [1 ]
Kurokawa, Kosuke [1 ]
Mori, Shinsaku [2 ]
机构：
[1] Tokyo Univ Agr & Technol, Dept Elect & Elect Engn, Koganei, Tokyo 1848588, Japan
[2] Nippon Inst Technol, Dept Elec & Elect Eng, Saitama, Japan
来源：
2006 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-11, PROCEEDINGS | 2006年
关键词：
D O I：
10.1109/ISCAS.2006.1692570
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The output envelope waveforms of the delta-sigma modulated Class D series resonant inverter is analyzed, compared,and discussed based on the simulation results with Matlab Simulink simulator. The Class D inverter operating at 200 kHz generates 50 Hz envelope waveform through the additional switching legs. Firstly, the relationship between the feed-back gain of the delta-sigma modulator and the output envelope waveforms is clarified. Secondly, the variable parameters are expanded to the loaded Q-factor Q(L). For Q(L)= 10 to 10000, the output waveforms are analyzed. The simulation results show that THD is held under 3 % from Q(L) = 50 to 100. The obtained envelope waveform is highly qualified as an ac power source.
引用
收藏
页码：253 / +
页数：2
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