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Black-Box Modeling of Three-Phase Voltage Source Inverters for System-Level Analysis

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6 Author(s)
Virgilio Valdivia ; Carlos III University of Madrid, Leganes, Spain ; Antonio Lazaro ; Andrés Barrado ; Pablo Zumel
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Modeling and simulation are powerful tools to design power distribution systems made up of multiple converters and loads, such as the system of the more-electric aircraft (MEA). However, a system designer usually has no access to detailed data of the power converters, due to confidentiality of manufacturers. Therefore, a black-box modeling approach is necessary. This paper proposes a large-signal black-box modeling technique of three-phase voltage source inverters. The resulting model is oriented to perform system-level analysis and is fully parameterized from the transient response of the converter, which is obtained through simple experimental tests based on low-cost equipment. Moreover, it does not represent the internal data of the converter, thus keeping the confidentiality of the manufacturer. The proposed method has been experimentally validated on a 5-kW actual inverter, which has been applied on the test bench of an MEA power distribution system.

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IEEE Transactions on Industrial Electronics  (Volume:59 ,  Issue: 9 )