Title :
Instantaneous modal estimation of sub-synchronous oscillations using Simplified Recursive Newton Type Algorithm
Author :
Sánchez, J.I. ; Barocio, E. ; Zuniga, P. ; Betancourt, R.
Author_Institution :
Grad. Program in Electr. Eng., Univ. of Guadalajara, Guadalajara, Mexico
Abstract :
A method for instantaneous identification of parameters from sub-synchronous oscillations is proposed. The developed methodology uses an IIR band-pass filter bank to separate a generator speed signal into mono-component signals. A Simplified Recursive Newton Type Algorithm is employed to estimate modal parameters from the separated mono-component signals. Simulations with synthetic and test power system signals are used to assess the proposed method. The IEEE second benchmark on sub-synchronous resonance is used as a test power system.
Keywords :
IIR filters; Newton method; channel bank filters; power system dynamic stability; recursive estimation; turbogenerators; IEEE second benchmark; IIR band-pass filter bank; generator speed signal; instantaneous modal estimation; modal parameter estimation; monocomponent signals; parameter instantaneous identification; power system dynamic behavior; simplified recursive newton type algorithm; subsynchronous oscillations; turbine-generator components; Convergence; Estimation; Filter banks; Noise; Oscillators; Tuning; IIR band-pass filter; modal estimation; simplified recursive Newton type algorithm; sub-synchronous oscillations;
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.2011.6039806
