Power Balancing Mechanism and Controller Design for the Single-Phase Cascaded H-bridge Multilevel DSTATCOM

Yang Han


The power balancing mechanism and the effective voltage balancing control algorithm are presented for the single-phase cascaded H-bridge multilevel DSTATCOM. The dc voltage balancing control for CHB-DSTATCOM is splitted into the average voltage controller and the voltage balancing controller, which are designed to regulate the active power flow between the CHB-DSTATCOM with the grid and to regulate active power flow among each inverter units, respectively. The effectiveness of the control algorithm is validated by the simulation results.

DOI: http://dx.doi.org/10.5755/j01.eee.19.1.3246


Cascade H-bridge; multilevel; DSTATCOM; power quality; power balancing control; Matlab/Simulink

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Print ISSN: 1392-1215
Online ISSN: 2029-5731