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Simulation of losses in resonant converter circuits

Simulation of losses in resonant converter circuits
Simulation of losses in resonant converter circuits
The mathematical foundation for a generic resonant converter macromodel that is capable of producing transient analyses some three orders of magnitude faster than conventional component-level simulation is described elsewhere by the authors. In this paper, the concept is extended to model and analyze dissipative losses in such a converter. For each of the three main dissipating components (the power diodes, the MOS switches and the inductors), extremely simple phenomenological loss models are developed, which are calibrated by comparison with experimental results. It is then shown, both theoretically and experimentally, that the sensitivity of the overall converter simulation results to the loss model parameters is low, indicating that the models may be used with confidence on other designs under different load conditions. Finally, the simulated and measured responses of a different load configuration (i.e. a practical circuit that was not used to calibrate the loss model) are compared, and it is noted that the results are in excellent agreement. (The simulation results obtained by this technique are also in excellent agreement with the corresponding full component level simulation, but are obtained in around 2.0% of the time.)
Taylor & Francis
Wong, S.C.
e34ebabc-b3ca-43b6-8778-cd620a6d0575
Brown, A.D.
5c19e523-65ec-499b-9e7c-91522017d7e0
Zwolinski, M.
adfcb8e7-877f-4bd7-9b55-7553b6cb3ea0
Wong, S.C.
e34ebabc-b3ca-43b6-8778-cd620a6d0575
Brown, A.D.
5c19e523-65ec-499b-9e7c-91522017d7e0
Zwolinski, M.
adfcb8e7-877f-4bd7-9b55-7553b6cb3ea0

Wong, S.C., Brown, A.D. and Zwolinski, M. (1999) Simulation of losses in resonant converter circuits

Record type: Other

Abstract

The mathematical foundation for a generic resonant converter macromodel that is capable of producing transient analyses some three orders of magnitude faster than conventional component-level simulation is described elsewhere by the authors. In this paper, the concept is extended to model and analyze dissipative losses in such a converter. For each of the three main dissipating components (the power diodes, the MOS switches and the inductors), extremely simple phenomenological loss models are developed, which are calibrated by comparison with experimental results. It is then shown, both theoretically and experimentally, that the sensitivity of the overall converter simulation results to the loss model parameters is low, indicating that the models may be used with confidence on other designs under different load conditions. Finally, the simulated and measured responses of a different load configuration (i.e. a practical circuit that was not used to calibrate the loss model) are compared, and it is noted that the results are in excellent agreement. (The simulation results obtained by this technique are also in excellent agreement with the corresponding full component level simulation, but are obtained in around 2.0% of the time.)

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More information

Published date: 1999
Organisations: EEE

Identifiers

Local EPrints ID: 251290
URI: http://eprints.soton.ac.uk/id/eprint/251290
PURE UUID: 05e47a1e-5bab-4cae-a4e9-121f1bf8f5b4
ORCID for M. Zwolinski: ORCID iD orcid.org/0000-0002-2230-625X

Catalogue record

Date deposited: 27 Oct 1999
Last modified: 18 Jul 2017 10:11

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Contributors

Author: S.C. Wong
Author: A.D. Brown
Author: M. Zwolinski ORCID iD

University divisions

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