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CASCADED TWO-LEVEL INVERTER-BASED MULTILEVEL STATCOM FOR HIGH-POWER APPLICATIONS

CASCADED TWO-LEVEL INVERTER-BASED MULTILEVEL STATCOM FOR HIGH-POWER APPLICATIONS

 ABSTRACT:

          In this project, a simple static var compensating scheme using a cascaded two-level inverter-based multilevel inverter is proposed. The topology consists of two standard two-level inverters connected in cascade through open-end windings of a three-phase transformer. The dc-link voltages of the inverters are regulated at different levels to obtain four-level operation. The simulation study is carried out in MATLAB/SIMULINK to predict the performance of the proposed scheme under balanced and unbalanced supply-voltage conditions.

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