Modeling and Simulation of Common Mode Voltage in a Three-Phase Delta Connection STATCOM with Parasitic Capacitors
In this paper, parasitic capacitors and common mode voltage (CMV) are modeled in a delta connection multilevel cascaded STATCOM. In high frequency and high voltage applications the parasitic capacitors play important role in common mode voltages. In this paper, parasitic capacitors and CMV are modeled in a multilevel cascaded STATCOM and also parasitic currents are calculated, then a method will be proposed to reduce the effects of the parasitic capacitors. The values of parasitic capacitors are calculated by finite element software. Finally, a delta connection 13-level cascaded STATCOM with parasitic capacitors will be simulated in MATLAB Simulink and then simulation results will be presented.
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