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Single phase back to back (SPBTB) converter is widely used for power transfer in order to increase the performance of electrical power systems; however to take advantage of a SPBTB response it is necessary to avoid over-modulation conditions. This paper deals with an analytical procedure to obtain a SPBTB operating region to guarantee power transfer of each one of the converters of a SPBTB without...
An active cancellator that can reduce the capacitor equivalent series resistance (ESR) and equivalent series inductance (ESL) effects and provide capacitor current information is presented. The concept is based on connecting a linear voltage source in series with the capacitor to counteract the voltage drops caused by the ESR and ESL. Due to a reduction in the effective ESR and ESL, the damped resonant...
The asymmetrical half bridge flyback converter is gaining popularity because it can achieve ZVS operation. However, the relationship between voltage transfer ratio and duty cycle is nonlinear in the condition of high switching frequency and small blocking capacitor. It is improper to use the linear model to guide the design of asymmetrical half bridge flyback converter. This paper deduces a steady-state...
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