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

fYear

2011

Firstpage

1

Lastpage

8

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;

fLanguage

English

Publisher

ieee

Conference_Titel

Power and Energy Society General Meeting, 2011 IEEE

Conference_Location

San Diego, CA

ISSN

1944-9925

Print_ISBN

978-1-4577-1000-1

Electronic_ISBN

1944-9925

Type

conf

DOI

10.1109/PES.2011.6039806

Filename

6039806