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Voltage Balancing Control of Three-Level Active NPC Converter Using SHE-PWM.
- Source :
-
IEEE Transactions on Power Delivery . 01/01/2011, Vol. 26 Issue 1, p258-267. 10p. - Publication Year :
- 2011
-
Abstract
- This paper presents a neutral point voltage control strategy for the three-level active neutral point clamped (ANPC) converter using selective harmonic elimination pulsewidth modulation (SHE-PWM). The control strategy introduces a small change in the switching angles, which varies the duty cycle of the zero-level switching state, controls the neutral point current and, therefore, the neutral point voltage. The decision to vary a given switching angle takes into account the polarity of the output currents and the voltage across the lower dc-link capacitor. The effectiveness of the proposed strategy is verified through extensive simulation studies and experimentally validated using a low power laboratory prototype. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 08858977
- Volume :
- 26
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Power Delivery
- Publication Type :
- Academic Journal
- Accession number :
- 57254378
- Full Text :
- https://doi.org/10.1109/TPWRD.2010.2063718