DC Capacitor Voltage Balancing Control for Delta-Connected Cascaded H-Bridge STATCOM Considering Unbalanced Grid and Load Conditions

ABSTRACT:

In this project, a far reaching control plot for a delta-connected cascade H-connect (CHB) converter-based static synchronous compensator (STATCOM) is displayed, particularly concentrating on enhancing dynamic execution by novel feed forward control strategy. The strategy can prominently enhance the elements of zero-sequence circulating current direction of delta-associated CHB STATCOM particularly under grid fault condition and also stack unbalance without over the top dc cell capacitor voltage vacillation. The legitimacy of the proposed technique is shown by numerical evidence. At last, the full-scaled recreation results and the down-scaled trial results check that steady activity is ensured for both imitated lattice and load unbalance conditions.

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