System-Level Behavioral Black-Box Modeling of Three-Phase DCAC Converters for the More-Electric-Aircraft

Paper #:
  • 2011-01-2670

Published:
  • 2011-10-18
Citation:
Valdivia, V., Lazaro, A., Barrado, A., Zumel, P. et al., "System-Level Behavioral Black-Box Modeling of Three-Phase DCAC Converters for the More-Electric-Aircraft," SAE Technical Paper 2011-01-2670, 2011, https://doi.org/10.4271/2011-01-2670.
Pages:
10
Abstract:
Modeling and simulation are powerful tools to design power distribution systems made up by multiple converters and loads, such as the system of the more-electric-aircraft. However, the system designer usually has no access to detailed data of the power converters, due to confidentiality of manufacturers. Therefore, a behavioral black-box modeling approach is necessary. These models can be used to evaluate the response of power electronics systems which are composed of commercial converters, since they can be fully parameterized from the actual converter response and only reproduce the signals required for a system-level analysis: input-output voltage and currents.In this paper a behavioral black-box modeling method of three-phase DC-AC converters is proposed. The identification of the model is based on the analysis of the converter transient response, which is obtained by means of a set of simple experiments and easily usable fitting algorithms. An experimental validation of the proposed method has been carried out on a 5 kVA three-phase DC-AC converter implemented in an aircraft power system test bench.
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