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Small-signal analysis and design of weighted voltage control for a multiple-output forward converter

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3 Author(s)
Qing Chen ; AT&T Bell Labs., Mesquite, TX, USA ; Lee, F.C. ; Jovanovic, M.M.

The small-signal model for a multiple-output forward power converter with weighted voltage control is derived. The effects of the weighting factors on the small-signal behavior are investigated. In addition, the small-signal characteristics of weighted voltage control are compared with the characteristics of a multiple-output power converter with coupled output-filter inductors. Finally, the effects of weighted voltage control on the small-signal characteristics of the converter with coupled inductors are examined. Based on the analysis, the design procedure for loop compensation is presented. The small-signal model and the design procedure are verified on an experimental two-output forward power converter

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Power Electronics, IEEE Transactions on  (Volume:10 ,  Issue: 5 )