Title :
Design of global power systems stabilizer to damp interarea oscillations based on wide-area collocated control technique
Author :
Ma, Jing ; Wang, Tong ; Wang, Zengping ; Wu, Jie ; Thorp, James S.
Author_Institution :
Sch. of Electr. & Electron. Eng., North China Electr. Power Univ., Beijing, China
Abstract :
This paper develops a systematic procedure of designing global power system stabilizers (GPSSs) based on collocated control to enhance the damping during interarea oscillations. The availability of remote signals from phasor measurement units (PMUs) enables the wide-area control in large scale systems. The closed loop eigenvalues are excluded from a region of the complex plane by the collocated control algorithm guaranteeing that low frequency modes must be damped. The optimum locations for GPSSs were selected using controllability. The damping performance of a 16-machine, 68-bus study system reinforced with GPSSs is examined in the frequency and time domains. The simulation results show that the control scheme is able to damp out interarea oscillations following possible disturbances.
Keywords :
damping; oscillations; power system control; power system faults; power system measurement; power system stability; time-frequency analysis; 16-machine 68-bus study system; GPSS; PMU; closed loop eigenvalues; frequency modes; frequency-time domains; global power systems stabilizer design; interarea oscillation damping; large-scale systems; phasor measurement units; power system disturbances; remote signals; wide-area collocated control technique; Circuit faults; Damping; Eigenvalues and eigenfunctions; Frequency domain analysis; Generators; Oscillators; Power system stability; Collocated control; Global power system stabilizers; Interarea oscillations; PMUs;
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.2011.6039793
