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Novel Dual DC-DC Flyback Converter with Leakage-Energy Recycling 원문보기

Journal of power electronics, v.18 no.4, 2018년, pp.1007 - 1014  

Yang, Lung-Sheng (Department of Electrical Engineering, Far East University)

Abstract ▼ AI-Helper 아이콘AI-Helper

A novel dual DC-DC flyback converter with leakage-energy recycling is presented in this paper. Only an active switch is used for this converter. A pulse-width-modulation strategy is adopeted to control this switch. Two transformers are employed for the proposed converter. During the switch ON-period...

주제어

#Flyback converter   #Leakage-energy recycling   #Pulse width modulation  

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대상 데이터

  • The circuit specifications and components are selected as input voltage Vin = 100 V, output voltage Vo = 48 V, output power Po = 250 W, switching frequency fs = 75 kHz, capacitors C1 = C2 = 100μF and Co = 470 μF, turn-ratio of the transformers n = 0.75, switch S1 IXTQ52N30P, and diodes D1, D2 and D3: STTH6003CW.
  • The active switch S1 is controlled by utilizing the pulse-width modulation strategy. The transformer TR1 is modeled as the magnetizing inductance Lm11, the leakage inductance Lk11, and an ideal transformer. Similarly, the transformer TR2 is modeled as the magnetizing inductance Lm21, the leakage inductance Lk21 and an ideal transformer.
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