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- Title
General SVPWM strategy for three different four‐switch three‐phase inverters.
- Authors
Liu, Yong‐Chao; Ge, Xing‐Lai; Zhang, Jie; Feng, Xiao‐Yun
- Abstract
Four‐switch three‐phase inverters (FSTPIs) are post‐fault reconfigured topologies for a two‐level inverter with failure of a power switch or a leg, and space vector pulse‐width modulation (SVPWM) strategies have been used to control FSTPIs. However, different faulty legs correspond to different topologies of FSTPIs which are controlled by different SVPWM strategies; therefore, three SVPWM strategies need to be prepared for three FSTPIs, respectively, which takes up lots of memory space in the controller and increases the complexity of the control strategy. To overcome these disadvantages, a general SVPWM strategy that can be used to control three FSTPIs is proposed. Experimental results have shown the validity and feasibility of the proposed strategy.
- Publication
Electronics Letters (Wiley-Blackwell), 2015, Vol 51, Issue 3, p357
- ISSN
0013-5194
- Publication type
Article
- DOI
10.1049/el.2014.4397