Real Time Control of Oscillations of Electric Power Systems

Real Time Control of Oscillations of Electric Power Systems...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
FINAL REPORT ESEERCO PROJECT EP 95-11 Real Time Control of Oscillations of Electric Power Systems September 1996 Prepared by: Power Systems Engineering Research Consortium (PSerc) Cornell University Ithaca, NY 14853 Principal Investigators: Pete Sauer, M. A. Pai, Stephen Fernandes Ian Dobson, Fernando Alvarado, Scott Greene Bob Thomas, Hsiao-Dong Chiang Prepared for: Empire State Electric Energy Research Corporation 1515 Broadway, 43rd Floor New York, New York 10036-5701 and New York State Electric & Gas
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Copyright @ 1996 EMPIRE STATE ELECTRICAL ENERGY RESEARCH CORPORATION AND CORNELL UNIVERSITY. All Rights reserved LEGAL NOTICE This report was prepared as an account of work sponsored by the Empire State Electric Energy Research Corporation (&ESEERCO&) and New York State Electric and Gas Corporation (&NYSEG&). Neither ES- EERCO, members of ESEERCO, NYSEG nor any person acting on behalf of any of them: a. Makes any warranty or representation, express or implied, with repsect to the accuracy, completeness, or usefulness of the information contained in this report, or that the use of any information, apparatus, method, or process disclosed in this report may not infringe on privately owned rights; or b. Assumes any liability with respect to the use of, or for damages resulting from the use of, any infor- mation, apparatus, method, or process disclosed in this report. Prepared by Cornell University, Ithaca, New York ii
Background image of page 2
Acknowledgements The authors gratefully acknowledge the interest and support of the Empire State Electric Energy Research Corp. and New York State Electric and Gas. iii
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Contents 1 Introduction 1 2 The Dynamic Model for Test Cases 2 3 Sensitivity of critical mode eigenvalues 4 4 Closeness to the Onset of Oscillation and its Sensitivity 7 4.1 Measuring the closeness to onset of oscillations with a margin M ............... 7 4.2 Computing the margin M with a continuation method. .................... 8 4.3 The sensitivity of M to parameters. .............................. 9 5 Single Machine Results 10 5.1 Test case system and data. ................................... 1 0 5.2 Validation of margin sensitivity. ................................ 1 2 5.3 Validation of the control effectiveness . ............................ 1 3 6 37 Bus Equivalent Results 16 6.1 37 bus equivalent test case system and data . ......................... 1 6 6.2 Eigenvalue analysis for load increase. ............................. 1 6 6.3 Eigenvalue analysis - line outage. ............................... 1 7 7 Computational Issues 18 8 Conclusions 18 A Appendix A 21 B Appendix B 22 iv
Background image of page 4
List of Figures 1 Normal vector and margin to the surface of critical parameter values. ............ 8 2 Schematic of the single machine in " nite bus system test case. ................ 1 1 3 Margin to Oscillatory Instability vs. Parameter. ........................ 1 3 v
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
List of Tables 1 Machine and System Data . .................................. 1 2 2 Excitation System Data. .................................... 1 2 3 Governor-Steam Turbine Data . ................................ 1 2 4 Eigenvalues and sensitivities with respect to P C at Hopf bifurcation . ............ 1 4 5 Eigenvalues when P C is changed by &0.0065 predicted . ................... 1 4 6 Eigenvalues and sensitivities with respect to V ref ...........
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/29/2011 for the course ENGR 52 taught by Professor Mcmillan during the Spring '10 term at Baylor Med.

Page1 / 29

Real Time Control of Oscillations of Electric Power Systems...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online