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Derivation method of output impedance of DC-DC converters paralleled system with active current sharing control for system stability analysis

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3 Author(s)
Hao Wang ; Xi''an Jiaotong Univ., Xi''an, China ; Jinjun Liu ; Dan Hou

In this paper, through deduction and simplification, output impedance of each module and total output impedance of paralleled system with active current sharing control in paralleled operation are derived by measuring the output impedance of each module working standalone with particular connection ways of current sharing bus and calculation. The proposed output impedance derivation method can be used to predict the stability of the paralleled system before the modules being in paralleled operation, which can save the cost and design time of the production of power supply system.

Published in:

Power Electronics Conference (IPEC), 2010 International

Date of Conference:

21-24 June 2010