Abstract
This paper explores the impact of different modulation techniques on the lifetime of DC-link capacitors for different modulation indices and varying operating power of voltage source inverter system. The conducted analysis show that the capacitor lifetime improves when using unipolar Sinusoidal pulse-width modulation (SPWM), which introduces the highest lifetime for DC-link capacitors when a single unit voltage source inverter is used. Likewise, for two paralleled voltage source inverter unit’ topology, both units using unipolar SPWM, having the same switching frequency produces the least thermal stress on the capacitor and consequently giving the highest lifetime.
| Original language | English |
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| Title of host publication | 2020 22nd European Conference on Power Electronics and Applications, EPE 2020 ECCE Europe |
| Publisher | IEEE Signal Processing Society |
| Publication date | Sept 2020 |
| Article number | 9215656 |
| ISBN (Electronic) | 9789075815368 |
| Publication status | Published - Sept 2020 |
| Event | 22nd European Conference on Power Electronics and Applications, EPE 2020 ECCE Europe - Lyon, France Duration: 7 Sept 2020 → 11 Sept 2020 |
Conference
| Conference | 22nd European Conference on Power Electronics and Applications, EPE 2020 ECCE Europe |
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| Country/Territory | France |
| City | Lyon |
| Period | 07/09/2020 → 11/09/2020 |
| Series | 2020 22nd European Conference on Power Electronics and Applications, EPE 2020 ECCE Europe |
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Bibliographical note
Publisher Copyright:© 2020 EPE Association.
Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
Keywords
- DC link capacitor
- Lifetime Estimation
- Parallel inverters
- Harmonic Analysis
- Pulse Width Modulation