The international standard IEC 61800-9-2 introduces energy efficiency classification for frequency converters or complete drive module (CDM) and provides instrumentation minimum requirements for accurate measurement of CDM input and output power valid for conventional pulse-width-modulated (PWM) voltage source inverter (VSI). This paper highlights the necessary improvements to update the standard with more detailed prescriptions according to the converter topologies and the modulation techniques adopted. In this framework, this paper address the power analysis in the frequency domain of a cascaded H-bridges-multilevel inverter (CHBMI) in an interior permanent magnet synchronous motor (IPMSM) drive for the identification of the minimum measurement bandwidth. The power spectrums are analyzed for different modulation strategies, different switching frequency values and IPMSM working conditions.
Di Tommaso A.O., Miceli R., Nevoloso C., Scaglione G., Schettino G., Spataro C. (2022). Cascaded H-Bridges Multilevel Inverter Drive: Active Power Analysis in Frequency Domain. In 25th IMEKO TC-4 International Symposium on Measurement of Electrical Quantities, IMEKO TC-4 2022 and 23rd International Workshop on ADC and DAC Modelling and Testing, IWADC 2022 (pp. 271-276). Brescia : International Measurement Confederation (IMEKO).
Cascaded H-Bridges Multilevel Inverter Drive: Active Power Analysis in Frequency Domain
Di Tommaso A. O.;Miceli R.;Nevoloso C.;Scaglione G.;Schettino G.;Spataro C.
2022-09-12
Abstract
The international standard IEC 61800-9-2 introduces energy efficiency classification for frequency converters or complete drive module (CDM) and provides instrumentation minimum requirements for accurate measurement of CDM input and output power valid for conventional pulse-width-modulated (PWM) voltage source inverter (VSI). This paper highlights the necessary improvements to update the standard with more detailed prescriptions according to the converter topologies and the modulation techniques adopted. In this framework, this paper address the power analysis in the frequency domain of a cascaded H-bridges-multilevel inverter (CHBMI) in an interior permanent magnet synchronous motor (IPMSM) drive for the identification of the minimum measurement bandwidth. The power spectrums are analyzed for different modulation strategies, different switching frequency values and IPMSM working conditions.
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