Assessment and Control of Microgrid Impacts on Distribution Networks by Using Experimental Tests

The main aim of this article is to assess and control impacts that a grid-tied microgrid may have on a distribution network. For this purpose, the tie-line power flow has been considered in a performance index to be minimized. In particular, three statistical indices have been compared on the microg...

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Bibliographic Details
Published in:IEEE transactions on industry applications 2019-11, Vol.55 (6), p.7157-7164
Main Authors: Cagnano, Alessia, De Tuglie, Enrico, Gibilisco, Paolo
Format: Article
Language:English
Subjects:
Algorithms
Ancillary services for microgrid
assessment of microgrid impacts
day-ahead economic dispatch
Dispatching
Distributed generation
Economics
Electric power distribution
Fluctuations
grid-connected microgrids
Load flow
microgrid impacts
Microgrids
Networks
online economic dispatch
Optimal control
Optimization
Performance indices
Power flow
power fluctuations
Power measurement
Proportional integral derivative
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Summary:The main aim of this article is to assess and control impacts that a grid-tied microgrid may have on a distribution network. For this purpose, the tie-line power flow has been considered in a performance index to be minimized. In particular, three statistical indices have been compared on the microgrid operated under a classical day-ahead dispatching policy and an online optimal control strategy. The online optimization process starts from the same day-ahead dispatching policy and tries to compensate the tie-line power flow deviations from the scheduled value. For this purpose, a real-time economic dispatching algorithm based on a proportional integral derivative controller has been developed and implemented on the PrInCE Lab microgrid, located at the Polytechnic University of Bari, Bari, Italy.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2019.2940174