Damping subsynchronous resonance using a SIMO shunt reactor controller

Author

Lee, Shun ; Liu, Chun-Chang

Author_Institution

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

Volume

9

Issue

3

fYear

1994

fDate

8/1/1994 12:00:00 AM

Firstpage

1253

Lastpage

1262

Abstract

Stabilizing torsional oscillations using a single-input multiple-output (SIMO) shunt reactor controller is investigated in this paper. An eigenstructure assignment technique is applied to design this controller. The designed controller can be easily implemented by a multiple-proportional-integral (MPI) controller using the medium pressure turbine speed, the two low pressure turbine speeds, and the generator shaft speed as feedback signals. Eigenvalue analyses under different operating conditions and a wide range of series compensation degrees, time domain simulations under a pulsed torque disturbance, and fast-Fourier-transform (FFT) analyses for system behavior are all performed in order to demonstrate the effectiveness of the proposed controller

Keywords

compensation; controllers; damping; eigenvalues and eigenfunctions; fast Fourier transforms; feedback; power system control; reactors (electric); time-domain analysis; two-term control; SIMO shunt reactor controller; eigenstructure assignment technique; fast-Fourier-transform; feedback signals; generator shaft speed; low pressure turbine speeds; medium pressure turbine speed; multiple-proportional-integral controller; pulsed torque disturbance; series compensation degrees; single-input multiple-output; subsynchronous resonance damping; time domain simulations; torsional oscillations stabilisation; Damping; Inductors; Performance analysis; Pressure control; Resonance; Shunt (electrical); Signal design; Signal generators; Time series analysis; Turbines;

fLanguage

English

Journal_Title

Power Systems, IEEE Transactions on

Publisher

ieee

ISSN

0885-8950

Type

jour

DOI

10.1109/59.336142

Filename

336142