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Distribution level SiC FACTS devices with reduced DC bus capacitance for improved load capability and solar integration

conference contribution
posted on 06.12.2017, 00:00 by Peter WolfsPeter Wolfs, Fuwen YangFuwen Yang, Qing-Long HanQing-Long Han
FACTS devices, such as STATCOMs and UPFCs can be directly applied in the low voltage distribution system to regulate the sequence voltages within a network while simultaneously cancelling zero and negative sequence currents that are introduced by load unbalance or by high levels of distributed photovoltaic generation. Instantaneous reactive power theory shows that for FACTS devices the DC-bus capacitor power will fluctuate at twice mains frequency during unbalanced operation. High rating non-polarized bus capacitors can be applied if the double frequency fluctuations are restricted. In combination with silicon carbide devices it becomes possible to produce compact pole mounted systems. This paper proposes control methods that allow distribution level or dFACTS compensators with finite rating to best allocate its capacity to voltage, current balancing and reactive power compensation.

History

Start Page

1353

End Page

1358

Number of Pages

6

Start Date

01/01/2014

Finish Date

01/01/2014

ISBN-13

9781479924004

Location

Instanbul, Turkey

Publisher

IEEE

Place of Publication

Piscataway, NJ

Peer Reviewed

Yes

Open Access

No

External Author Affiliations

School of Engineering and Technology (2013- ); TBA Research Institute;

Era Eligible

Yes

Name of Conference

IEEE International Symposium on Industrial Electronics

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