A Linear Power Flow Formulation for Three-Phase Distribution Systems

A Linear Power Flow Formulation for Three-Phase Distribution Systems

Power flow analysis is one of the tools that is required in most of the distribution system studies. An important characteristic of distribution systems is the load unbalance in the phases and a three-phase power flow analysis is needed. In this paper, a three-phase linear power flow (3LPF) formulat...

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Veröffentlicht in:IEEE transactions on power systems 2016-11, Vol.31 (6), p.5012-5021
Hauptverfasser: Ahmadi, Hamed, Marti, Jose R., von Meier, Alexandra
Format: Artikel
Sprache:eng
Schlagworte:
Admittance
Boundaries
Formulations
Load modeling
Mathematical model
Optimization
Phases
Planning
Power flow
Regulators
State estimation
Systems analysis
Unbalanced power flow
Voltage
Voltage control
voltage dependence
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Beschreibung
Zusammenfassung:Power flow analysis is one of the tools that is required in most of the distribution system studies. An important characteristic of distribution systems is the load unbalance in the phases and a three-phase power flow analysis is needed. In this paper, a three-phase linear power flow (3LPF) formulation is derived based on the fact that in a typical distribution system, voltage angles and magnitudes vary within relatively narrow boundaries. The accuracy of the proposed 3LPF is verified using several test cases. Potential applications of the proposed method are in distribution systems state estimation and volt-VAR optimization.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2016.2533540