Power management using hybrid control of tie-converters
Author(s):
RAGESH TOM
Keywords:
Autonomous control, distributed control, droop control, hybrid microgrids, interlinked microgrids, power management.
Abstract
The current power management schemes for interlinked AC-DC microgrids have several operational drawbacks. Some of the existing control schemes are designed with the main objective of sharing power among the connected microgrids based on their loading conditions, while other schemes regulate the voltage of the interlinked microgrids without considering the loading conditions. However, the existing schemes cannot achieve both objectives efficiently. To address these issues, an independent power management scheme is proposed, which explicitly considers the specific loading condition of the DC micro grid before importing power from the interlinked AC micro gridThis method enables voltage regulation in the DC microgrid, and also reduces the number of converters in operation. The proposed scheme is fully independent while it retains the plug-n play features for generators and tie-converters. The performance of the proposed control scheme has been validated under different operating scenarios. The results demonstrate the efficiency of the proposed scheme in managing the power deficit in the DC microgrid efficiently and independently while maintaining the better voltage regulation in the DC microgrid.
Article Details
Unique Paper ID: 147289

Publication Volume & Issue: Volume 5, Issue 6

Page(s): 321 - 325
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