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Analyses of static and dynamic characteristics of practical step-up nine-switch matrix convertor

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2 Author(s)
Kwon, W.H. ; Dept. of Electron. Eng., Kyungpook Nat. Univ., Taegu, South Korea ; Cho, G.H.

The static and dynamic characteristics of a practicable step-up nine-switch matrix convertor under the control strategy proposed by Venturini are analysed fully by the recently presented circuit DQ transformation technique and signal flow graphs. The step-up nine-switch matrix convertor consists of nonideal voltage and current sources, such as occur in practical inductance and capacitance filters. Several static and dynamic features of the convertor, such as steady-state input/output voltage gain, input power factor and transient response, are predicted analytically and verified by computer simulations. The signal flow graph is adopted to solve the complex fourth-order equivalent convertor and thus the nine-switch matrix convertor is analysed fully in explicit form.<>

Published in:

Electric Power Applications, IEE Proceedings B  (Volume:140 ,  Issue: 2 )