A current based model for load flow studies with UPFC

Author

Pereira, Manuela ; Cera Zanetta, Luiz

Author_Institution

Dept. of Energy & Electr. Autom., Escola Politec. da Univ. de Sao Paulo (EPUSP), Sao Paulo, Brazil

Volume

28

Issue

2

fYear

2013

fDate

May-13

Firstpage

677

Lastpage

682

Abstract

This paper deals with an alternative proposition for the steady state modeling of unified power flow controller (UPFC). Since current limitations are determinant to FACTS apparatus design, the proposed current based model (CBM) assumes the current as variable, allowing easy manipulation of current restrictions in optimal power flow evaluations. The performance of the proposed model and of the power injection model (PIM) are compared through a Quasi-Newton optimization approach. Two operating situations of a medium size network with 39 busbars were studied from the point of view of optimization and current limits, observing the performance of the UPFC modeling.

Keywords

busbars; flexible AC transmission systems; load flow control; optimisation; power system simulation; CBM; FACTS apparatus design; PIM; UPFC; busbars; current based model; current restrictions; load flow; optimal power flow; power injection model; quasiNewton optimization; steady state modeling; unified power flow controller; Convergence; Load flow; Load modeling; Optimization; Steady-state; FACTS; Quasi-Newton method; UPFC; optimal power flow;

fLanguage

English

Journal_Title

Power Systems, IEEE Transactions on

Publisher

ieee

ISSN

0885-8950

Type

jour

DOI

10.1109/TPWRS.2012.2206409

Filename

6262465