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The bang-bang hysteresis current waveshaping control technique used to implement a high power factor power supply

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5 Author(s)
Barreto, L.H.S.C. ; Faculdade de Engenharia Eletrica, Univ. Fed. de Uberlandia, Brazil ; Vieira, J.B., Jr. ; Coelho, E.A.A. ; Farias, V.J.
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This work presents the operation and design of a high power factor high frequency switching power supply. A good power factor is obtained using as a pre-regulator circuit an AC-DC boost converter associated with a nondissipative snubber operating with high power factor and without commutation losses. The same nondissipative snubber associated with the forward converter is used as the DC-DC converter.

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Telecommunications Energy Conference, 2002. INTELEC. 24th Annual International

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