access icon free Regenerative-passive snubber two-switch forward converter

A regenerative-passive snubber (RPS) for pulse-width modulation (PWM) two-switch forward converter (TSFC) is presented. The RPS circuit is recycled the magnetic energy stored in the transformer leakage inductor and is achieved zero voltage switching turn off of power switches. Moreover, the RPS provides the resonant path formed by snubber capacitors and the snubber inductor to achieve zero current switching (ZCS) turn on of switches. In addition, the output diodes turn on/off under ZCS. The proposed RPS-PWM TSFC is analysed and experimental result for a 160 W, 300 kH prototype at the output voltage of 32 V are obtained to verify the theoretical analysis.

Inspec keywords: switching convertors; zero voltage switching; PWM power convertors; capacitors; zero current switching; inductors; snubbers

Other keywords: snubber inductor; voltage 32.0 V; zero current switching; PWM-TSFC; ZCS; power switches; RPS-PWM TSFC; output diodes; reverse recovery losses; RPS circuit; magnetic energy; snubber capacitors; regenerative-passive snubber two-switch forward converter; resonant path; output voltage; power 160.0 W; zero voltage switching; pulse-width modulation; transformer leakage inductor

Subjects: Power electronics, supply and supervisory circuits

References

    1. 1)
    2. 2)
    3. 3)
    4. 4)
    5. 5)
      • 1. Yang, J., Faris, A.-N., Zhang, W.: ‘Small-signal model analysis and control design of a double-ended forward converter in discontinuous-capacitor-voltage mode’, Power Electron., 2015, 8, (5), pp. 802813.
http://iet.metastore.ingenta.com/content/journals/10.1049/el.2018.0079
Loading

Related content

content/journals/10.1049/el.2018.0079
pub_keyword,iet_inspecKeyword,pub_concept
6
6
Loading