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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wang Yuanbin |
| Copyright Year | 2009 |
| Description | Author affiliation: Xi'an University of Science & Technology/ School of Electrical & Control Engineering, China (Wang Yuanbin) |
| Abstract | Closed loop PWM DC-DC switching converter is strongly nonlinear, and the analytical solution is difficult to be achieved. Oscillation and impulse voltage will probably occur in the output during the starting period in DC-DC converters. In this paper, a Pulse-Width-Modulation(PWM) buck converter is used as an example to discuss such problems so as to predict them in the course of design, and reduce or even avoid above harmful phenomena by modifying the parameters. In order to investigate the dynamic behavior in the output voltage of the converters, differential equations for inductor current profile and output voltage profile are established. The equations are based on the assumption that the frequency of inductor current profile and output voltage profile are much lower than the switching frequency of the converter. The condition leading to oscillation and impulse voltage in the output is obtained. The oscillation frequency, the time that the impulse voltage occur and the max value of impulse voltage are also derived. The proposed approach is verified by PSPICE simulation and experiment results. |
| Starting Page | 1608 |
| Ending Page | 1611 |
| File Size | 1760804 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424443475 |
| DOI | 10.1109/ISIE.2009.5219065 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-07-05 |
| Publisher Place | South Korea |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Pulse width modulation Pulse width modulation converters DC-DC power converters Voltage Switching converters Inductors Buck converters Differential equations Frequency conversion Switching frequency |
| Content Type | Text |
| Resource Type | Article |
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