Damping torsional oscillations using a SIMO static VAr controller

Author

Lee, S. ; Liu, C.-C.

Author_Institution

Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan

Volume

140

Issue

6

fYear

1993

fDate

11/1/1993 12:00:00 AM

Firstpage

462

Lastpage

468

Abstract

Stabilising torsional oscillations using a single input multiple output (SIMO) static VAr controller is investigated. An eigenstructure assignment technique is applied to design it. The designed controller can be easily implemented by a multiple proportion integral (MPI) controller using medium pressure turbine speed, two low pressure turbine speeds, and generator shaft speed as the feedback signals. Eigenvalue analyses under a wide range of series capacitor compensations and loading conditions, time domain simulations under a pulsed torque disturbance, and fast Fourier transform (FFT) analyses for system behaviour are all performed to demonstrate the effectiveness of the proposed controller

Keywords

circuit oscillations; control system synthesis; damping; eigenvalues and eigenfunctions; feedback; power control; power system control; static VAr compensators; torsion; two-term control; compensation; control system synthesis; damping; design; eigenstructure; eigenvalue analyses; fast Fourier transform; feedback signals; generator shaft speed; loading; multiple proportion integral controller; power system control; pulsed torque disturbance; reactive power control; series power capacitor; single input multiple output; static VAr controller; time domain simulation; torsional oscillations; turbine speeds;

fLanguage

English

Journal_Title

Generation, Transmission and Distribution, IEE Proceedings C

Publisher

iet

ISSN

0143-7046

Type

jour

Filename

285175