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

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 photo...

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Main Authors: Wolfs, Peter, Yang, F., Han, Q.
Format: Conference Paper
Published: 2014
Online Access:http://hdl.handle.net/20.500.11937/55316
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author Wolfs, Peter
Yang, F.
Han, Q.
author_facet Wolfs, Peter
Yang, F.
Han, Q.
author_sort Wolfs, Peter
building Curtin Institutional Repository
collection Online Access
description 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. © 2014 IEEE.
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spelling curtin-20.500.11937-553162017-09-13T16:10:51Z Distribution level SiC FACTS devices with reduced DC bus capacitance for improved load capability and solar integration Wolfs, Peter Yang, F. Han, Q. 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. © 2014 IEEE. 2014 Conference Paper http://hdl.handle.net/20.500.11937/55316 10.1109/ISIE.2014.6864811 restricted
spellingShingle Wolfs, Peter
Yang, F.
Han, Q.
Distribution level SiC FACTS devices with reduced DC bus capacitance for improved load capability and solar integration
title Distribution level SiC FACTS devices with reduced DC bus capacitance for improved load capability and solar integration
title_full Distribution level SiC FACTS devices with reduced DC bus capacitance for improved load capability and solar integration
title_fullStr Distribution level SiC FACTS devices with reduced DC bus capacitance for improved load capability and solar integration
title_full_unstemmed Distribution level SiC FACTS devices with reduced DC bus capacitance for improved load capability and solar integration
title_short Distribution level SiC FACTS devices with reduced DC bus capacitance for improved load capability and solar integration
title_sort distribution level sic facts devices with reduced dc bus capacitance for improved load capability and solar integration
url http://hdl.handle.net/20.500.11937/55316