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Control and Small-Signal Modelling of Resonant Link Converter
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| Author(s) |
M. Milanovic; R. Kovacic |
| Abstract |
The conventional small signal modeling techniques as are state space averaging and injectingabsorbed
current method are not appropriate for using in converters based on high frequency resonant
link (HFRL). The mentioned methods are appropriate for processes where the pwm switching
frequency is constant. Because the operation frequency of the HFRL converters is load dependent the
other way of modeling must be used. In this paper a small-signal model of the HFRL converter,
operating with a variable resonant link frequency, is developed by using of the estimator for linear
system (ELIS) which exists under MATLAB. The high frequency resonant link voltage is modulated
by the low frequency signal. The Levenberg-Marguardt method is used for evaluation of the
magnitude and phase of the envelope of the high frequency resonant link voltage. |
| Download |
| Filename: | EPE-PEMC2002 - SSLS-02 - Milanovic.pdf |
| Filesize: | 495.4 KB |
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| Type |
Members Only |
| Date |
Last modified 2004-05-12 by System |
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