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In conventional converter phase-shifted zero-voltage-switching DC/DC converter, lagging leg losses ZVS capability at light load conditions, and output rectifier diodes operate with hard switching. A novel soft-switching bi-directional converter employing auxiliary resonant net is proposed to solve these problems. The proposed converter can not only achieve soft switching but also eliminate the circulating...
According to the operating characteristics of the zero-voltage-switching (ZVS) pulse width modulation (PWM) full-bridge (FB) DC/DC converter, this paper deduces the model of the ZVS PWM FB DC/DC converter based on the equivalent switching circuit model. By using this model, the components' parameters of the converter can be designed correctly according to the request of the dynamic response, and the...
There are many nonlinear phenomena in DC-DC converter because of switching working. These nonlinear characteristics lead to chaos. To optimize parameters and avoid chaos occurring while DC-DC converter working, the analysis of chaos is necessary. But it always focused on simple topology before, because it's difficult to establish a nonlinear mathematic model on complicated DC-DC converter. This paper...
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