Title :
Decoupled power exchange model of UPFC to enhance voltage stability margin of power systems
Author :
Tiwari, Rajive ; Niazi, K.R. ; Gupta, Vikas
Author_Institution :
Dept. of Electr. Eng., Malaviya Nat. Inst. of Technol., Jaipur, India
Abstract :
This paper proposes a novel model of unified power flow controller (UPFC) for enhancing voltage stability margin of the power systems. This model is based upon an innovative approach where, real power exchange of series and shunt elements of UPFC are decoupled with each other. The UPFC model is incorporated into an existing Newton-Raphson load flow algorithm and Jacobian matrix is modified to include the decoupled modes of power exchange of series and shunt elements of UPFC. The modeling approach presented in this paper is tested on standard IEEE 30-bus and IEEE 118-bus systems to validate its feasibility.
Keywords :
Jacobian matrices; Newton-Raphson method; load flow control; power markets; power system stability; IEEE 118-bus systems; IEEE 30-bus systems; Jacobian matrix; Newton-Raphson load flow algorithm; UPFC; decoupled power exchange model; power systems; shunt elements; unified power flow controller; voltage stability margin enhancement; Jacobian matrices; Load flow; Load modeling; Mathematical model; Power markets; Power system stability; Voltage control; Flexible AC transmission system; L-index; NRLF; power injection model; unified power flow controller;
Conference_Titel :
Power and Energy Society General Meeting, 2011 IEEE
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4577-1000-1
Electronic_ISBN :
1944-9925
DOI :
10.1109/PES.2011.6039242
