RIPPLE VOLTAGE MITIGATION FOR DELTA-CONNECTED CASCADED H- BRIDGE STATCOM

RIPPLE VOLTAGE MITIGATION FOR DELTA-CONNECTED CASCADED H- BRIDGE STATCOM
Author(s):
Ginu R Nair, Dr.Shibu J V Bright, J.Evangelin Jeba, Jasphin Melba
Keywords:
STATCOM, CHB, H Bridge, PWM
Abstract
Performance of multilevel single-star bridge-cell (SSBC) STATCOM is affected by the low-frequency oscillation in the dc capacitors’ voltages which is originated due to the double line frequency component on the absorbed active power. To avoid using big capacitors to limit this oscillation. In this project, zero sequence voltage injection is utilized to mitigate the oscillation and consequently improve harmonics performance in the ac side of the system. This project is implemented in Matlab simulation.
Article Details
Unique Paper ID: 161515 Publication Volume & Issue: Volume 10, Issue 4 Page(s): 394 - 398
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