A fast time-domain algorithm for the simulation of switching power converters

An efficient algorithm for the simulation of switched-mode power converters is developed. A Chebyshev series expansion is used to effectively solve the differential equations describing the system in each topology. The power of the new simulation technique lies both in the simple, but accurate, poly...

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Bibliographic Details
Published in:IEEE transactions on power electronics 1990-07, Vol.5 (3), p.363-370
Main Authors: Luciano, A.M., Strollo, A.G.M.
Format: Article
Language:English
Subjects:
Applied sciences
Chebyshev approximation
Circuit simulation
Circuit topology
Computational modeling
Differential equations
Electrical engineering. Electrical power engineering
Exact sciences and technology
Matrix converters
Polynomials
Power electronics, power supplies
Switching circuits
Switching converters
Time domain analysis
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Summary:An efficient algorithm for the simulation of switched-mode power converters is developed. A Chebyshev series expansion is used to effectively solve the differential equations describing the system in each topology. The power of the new simulation technique lies both in the simple, but accurate, polynomial approximation for the state transition matrices and in the ability to explicitly obtain the instants at which the switching of the circuit topology takes place. The simulation technique is illustrated with reference to a simple Buck converter operating at a constant frequency. The derivation of the new algorithm is presented and its performance is analyzed. The case of a rapidly varying input forcing function is analyzed. Examples illustrating the generality and the computational efficiency of the algorithm are presented.< >
ISSN:0885-8993
1941-0107
DOI:10.1109/63.56528