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Investigation on a Three-Phase Inverter with LC Output Filter for Machine Emulation

, , , , and . 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), page P.1-P.8. Genova, Italy, (September 2019)
DOI: 10.23919/EPE.2019.8915550

Abstract

In addition to a real-time operating machine model an applicable power electronic device is required to emulate the electric behavior of machines. Typically, multilevel inverters are utilized for this purpose. This power electronic device comes with the problem of switched-mode operation which leads to additional disturbing ripple content in the output current. In order to damp the negative influence of switched-mode operation, the suitability of a three-phase inverter with LC output filter for use in a power-hardware-in-the-loop machine emulator is analyzed within this paper. At first the setup of this inverter concept is presented. Afterwards, the paper describes a strategy to control the inverter's output voltages achieving machine-emulating behavior. The operation as machine emulator is demonstrated in simulation results, finally.

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