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Averaged modelling of switching power converters: reformulation and theoretical basis

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2 Author(s)
J. Sun ; Inst. for Power Electron. & Electr. Drives, Paderborn Univ., Germany ; H. Grotstollen

Uniform averaged modeling methods for switching power converters (SPCs) are established. Averaging methods for differential equation systems with continuous right-hand sides are discussed and then generalized to discontinuous ones. It is shown that these methods are applicable to most known types of SPC, including PWM, resonant, and quasi-resonant converters. PWM converters under discontinuous conducting mode are taken as examples to further demonstrate the applicability of these methods. It is shown that the currently used state space averaging and its several extensions can be derived from these methods

Published in:

Power Electronics Specialists Conference, 1992. PESC '92 Record., 23rd Annual IEEE

Date of Conference:

29 Jun-3 Jul 1992