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An input and output ripple free Step-down converter is proposed in this paper. The two phase interleaved converter has only one inductor with four coupled windings, which decreases both the input and output ripple dramatically. Based on the analyses, the coupled inductor can also improve the transient response performance, and reduce the size and weight of the converter. Detailed analyses and simulations...
An interleave buck converter with coupled inductor is proposed in this paper. Continuous input current, low input and output ripple current, good transient response are realized with the proposed converter. Detailed analyses and simulations are presented. Experimental results meet them very well.
This paper presents a two-stage acoustic resonance free electronic ballast for MHD lamps using peak-current control mode. The ballast is consisted of a PFC stage and a full bridge inverter to supply lamp with low-frequency square-wave current, which achieves acoustic resonance free operation. And due to the adoption of peak-current control mode, the current overshoot which is common during output...
Charge equalization is important to reduce the damage and improve the lifetime of the battery. An improved control strategy of the equalization circuit is presented in this paper. The over-equalization technique has been utilized to shorten the equalization time about 25%. The hysteresis control is also been used to improve the robustness of the system. The simulation and prototype experimental results...
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