Journal article
Application of DSTATCOM for surplus power circulation in MV and LV distribution networks with single-phase distributed energy resources
Electric Power Systems Research, Vol.117, pp.104-114
2014
Abstract
Single-phase distributed energy resources (DERs), such as rooftop photovoltaic arrays, are usually installed based on the need and affordability of clients without any regard to the power demand of the connected phase of a three-phase system. It might so happen that the power generation in a particular phase is more than its load demand. This may cause a reverse power flow in a particular phase, especially in a three-phase, four-wire distribution system. If now the load demand in the other two phases is more than their respective generations, then these two phases will see a forward power flow, while there will be a reverse power flow in the third phase. This will create severe unbalance in the upstream network. In this paper, a distribution static compensator (DSTATCOM) is used to circulate the excess generation from one phase to the others such that a set of balanced currents flow from or into the upstream network. Two different topologies of DSTATCOM are proposed in this paper for the low and medium voltage feeders. Two different power circulation strategies are developed for this purpose. Furthermore, a suitable feedback scheme is developed for each topology for power converter control. The performance of the proposed topologies and the control schemes for the DSTATCOM is evaluated through computer simulation studies using PSCAD/EMTDC.
Details
- Title
- Application of DSTATCOM for surplus power circulation in MV and LV distribution networks with single-phase distributed energy resources
- Authors/Creators
- F. Shahnia (Author/Creator) - Curtin UniversityR.P.S. Chandrasena (Author/Creator) - Curtin UniversityA. Ghosh (Author/Creator) - Curtin UniversityS. Rajakaruna (Author/Creator) - Curtin University
- Publication Details
- Electric Power Systems Research, Vol.117, pp.104-114
- Publisher
- Elsevier B.V.
- Identifiers
- 991005542978307891
- Copyright
- © 2014 Elsevier B.V.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 4 Electrical Engineering, Electronics & Computer Science
- 4.18 Power Systems & Electric Vehicles
- 4.18.101 Power Quality
- Web Of Science research areas
- Engineering, Electrical & Electronic
- ESI research areas
- Engineering