Design of UPFC controllers for a multimachine system

Author

Kothari, M.L. ; Tambey, Neelima

Author_Institution

Dept. of Electr. Eng., Indian Inst. of Technol., New Delhi, India

fYear

2004

fDate

10-13 Oct. 2004

Firstpage

1483

Abstract

This paper presents a comprehensive approach for the design of UPFC controllers (i.e. power flow controller, DC voltage regulator and damping controller) for a multimachine system. UPFC controllers have been designed in the presence of conventional PSS. The interaction between the UPFC controllers and PSS has been studied. Investigations reveal that the system damping gets adversely affected with the incorporation of DC voltage regulator. Investigations have been carried out to understand relative effectiveness of modulation of the UPFC control signals (m_B, δ_B, m_E and δ_E) on damping of the system oscillations using controllability index. Studies reveal that the UPFC based damping controller considering modulation of control parameter m_B is most effective in damping the oscillations.

Keywords

controllability; damping; flexible AC transmission systems; load flow control; oscillations; power system stability; voltage regulators; DC voltage regulator; FACTS; PSS; UPFC; controllability index; damping controller; flexible AC transmission system; multimachine system; optimisation; oscillations; power system stability; unified power flow controller; Control systems; Damping; Flexible AC transmission systems; Load flow; Power system dynamics; Power system modeling; Power system stability; Power system transients; Regulators; Voltage control;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Systems Conference and Exposition, 2004. IEEE PES

Print_ISBN

0-7803-8718-X

Type

conf

DOI

10.1109/PSCE.2004.1397621

Filename

1397621