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The concept of Dynamic Capacitor or D-CAP has been previously introduced by the authors. D-CAP is able to provide dynamic VAR and harmonic compensation in one single integrated unit. The topology is based on an AC chopper with the control based on the novel concept of virtual quadrature sources, where energy is exchanged between virtual sources at different frequency, instead of between DC and AC...
The fault-tolerant design for any-level flying capacitor multilevel inverters is discussed in this paper, which is based on the novel combination scheme for flying capacitor multilevel inverters. When a power switch fault is detected in a single-phase, the same number of voltage levels can be maintained by reconfiguring the n-cell topology to a (n-1) cell topology. If two power switches in one same...
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