Publications
- M. Hatami, K. Koorehdavoudi, H. Wajid, V. Venkatasubramanian, P. Panciatici, F. Xavier, and G. Torresan,
“Online Transfer Function Estimation and Control Design Using Ambient Synchrophasor Measurements”, IEEE
Transactions on Power Systems, vol. 38, no. 1, pp. 14-30, January 2023. - Y. Zhi, H. Wajid, V. Venkatasubramanian, P. Panciatici, F. Xavier, and G. Torresan, “Computational Methods
for Nonlinear Analysis of Hopf Bifurcations in Power System Models”, Electric Power Systems Research, vol. 212,
November 2022. - Y. Zhi and V. Venkatasubramanian, “Analysis of Energy Flow Method for Oscillation Source Location”, IEEE
Trans. Power Systems, vol. 36, no. 2, pp. 1338-1349, March 2021. - Y. Zhi and V. Venkatasubramanian, “Interaction of Forced Oscillation with Multiple System Modes”, IEEE Trans.
Power Systems, vol. 36, no. 1, pp. 518-520, Jan. 2021. - T. Wu, V. Venkatasubramanian, and A.Pothen, “Fast Parallel Stochastic Subspace Algorithms for Large-Scale
Ambient Oscillation Monitoring”, IEEE Trans. Smart Grid, Vol. 8, No. 3, May 2017, pp. 1494-1503. - A. Zamora, V. Venkatasubramanian, JA. De La O Serna, J.M. Ramirez, “Multi-dimensional ringdown model analysis by filtering“, Electric Power Systems Research, 143, February 2017, pp.748-759.
- H.Khalilinia, and V. Venkatasubramanian, “Recursive Frequency Domain Decomposition for Multidimensional
Ambient Modal Estimation ”, IEEE Trans. Power Systems, Vol. 32, No. 1, January 2017, pp. 822-823. - V. Venkatasubramanian, “Real-Time Strategies for Unwrapping of Synchrophasor Phase Angles”, IEEE Trans.
Power Systems, Vol. 31, No. 6, November 2016, pp.5033-5041. - S.A.N. Sarmadi, A. Salazar, and V. Venkatasubramanian, “Analysis of November 29, 2005 Western American Oscillation Event”, IEEE Trans. Power Systems, Vol. 31, No. 6, November 2016, pp. 5210-5211.
- G.C.Zweigle, and V. Venkatasubramanian, “Transient Instability Mitigation For Complex Contingencies With Computationally Constrained Cost-Based Control”, IEEE Trans.Smart Grid, July 2016, Vol. 7, No. 4, pp. 1961- 1969.
- T. Wu, S.A.N. Sarmadi, V. Venkatasubramanian, A. Kalyanaraman, and A.Pothen, “Fast SVD Computations using Synchrophasor Measurements”, IEEE Trans. Power Systems, March 2016, Vol. 31, No. 2, pp. 1651-1652.
- X. Liu, X. Zhang, and V. Venkatasubramanian, “Distributed Voltage Security Monitoring in Large Power Systems using Synchrophasors”, IEEE Trans. Smart Grid, March 2016, Vol. 7, No. 2, pp. 982-991.
- H. Khalilinia and V. Venkatasubramanian, “Subsynchronous Resonance Monitoring using Ambient High-Speed Sensor Data”, IEEE Trans. Power Systems, March 2016. Vol. 31, No. 2, pp. 1073-1083.
- H. Li, A. Bose, and V. Venkatasubramanian, “Wide-Area Voltage Monitoring and Optimization”, IEEE Trans. Smart Grid, March 2016, Vol. 7. No.2, pp.785-793.
- V. Venkatasubramanian, J. Guerrero, J. Su, H. Chun, X. Zhang, F. Habibi-Ashrafi, A. Salazar and B. Abu-Jaradeh, “Hierarchical Two-Level Voltage Controller for Large Power Systems”, IEEE Trans. Power Systems, January 2016, Vol. 31, No.1, pp. 397-411.
- J. Ning, S.A.N.Sarmadi, and V. Venkatasubramanian, “Two-Level Ambient Oscillation Modal Estimation From Synchrophasor Measurements”, IEEE Trans. Power Systems, November 2015, Vol. 30, No.6, pp.2913-2922.
- H. Khalilinia, L. Zhang, and V. Venkatasubramanian, “Fast Frequency-Domain Decomposition for Ambient
Oscillation Monitoring”, IEEE Trans. Electric Power Delivery, June 2015, Vol. 30, No.3, pp.1631-1633. - S.A.N. Sarmadi, and V. Venkatasubramanian, “Inter-Area Resonance in Power Systems From Forced Oscillations”,
IEEE Trans. Power Systems, January 2016, Vol. 31, No. 1, pp. 378-386. - H. Khalilinia, and V. Venkatasubramanian, “Modal Analysis of Ambient PMU Measurements Using Orthogonal
Wavelet Bases”, IEEE Trans. Smart Grid, November 2015, Vol. 6, No. 6, pp. 2954-2963. - Z. Tashman, H. Khalilinia, and V. Venkatasubramanian, “Multi-Dimensional Fourier Ringdown Analysis for Power Systems Using Synchrophasors”, IEEE Trans. Power Systems, March 2014, pp. 731-741.
- S.A.N. Sarmadi, and V. Venkatasubramanian, “Electromechanical Mode Estimation Using Recursive Adaptive
Stochastic Subspace Identification“, IEEE Trans. Power Systems, January 2014, Vol. 29, No. 1, pp. 349-358. - J. Ning, X. Pan, and V. Venkatasubramanian, “Oscillation modal analysis from ambient synchrophasor data using
distributed frequency domain optimization“, IEEE Trans. Power Systems, 2013, Vol. 28, No. 2, pp. 1960-1968. - G. Zweigle and V. Venkatasubramanian, “Wide-Area Optimal Control of Electric Power Systems With Application
to Transient Stability for Higher Order Contingencies“, IEEE Trans. Power Systems, 2013, Vol. 28, No. 3, pp. 2313-
2320. - D.Anderson, C.Zhao, C.H. Hauser, V. Venkatasubramanian, D.E. Bakken and A.Bose, “A virtual smart grid”,
IEEE PES magazine, January 2012. - C.W. Taylor, D.C.Erickson, K.E.Martin, R.E.Wilson, and V. Venkatasubramanian, “WACS-Wide-area stability and
voltage control system: R&D and online demonstration”, Proc. of the IEEE, Vol. 93, No.5, May 2005, pp. 892-906. - K.Tomsovic, D.E.Bakken, V. Venkatasubramanian, and A.Bose, “Designing the next generation of real-time control,
communications, and computations for large power systems”, Proc. of the IEEE, Vol. 93, No. 5, May 2005, pp.
965-979. - 27 G.Zhao and V. Venkatasubramanian, “Fast tuning procedures for emergency controls using eigenvalue computations”, International Energy Journal, Vol.6, No.1, part 1, June 2005, pp. 1-71 – 1-84.
- Y. Li and V. Venkatasubramanian, ”Coordination of transmission path transfers”, IEEE Trans. Power Systems, Vol. 19, No.3, pp.107-1615.
- F. Howell and V. Venkatasubramanian, ”A modal decomposition of the Hopf normal form coefficient”, IEEE Trans. on Automatic Control, Vol. 46, No. 7, July 2001, pp. 1080-1083.
- H. Liu, A. Bose and V. Venkatasubramanian, “Voltage stability contingency screening based on adaptive bounding method”, IEEE Trans. Power Systems, Vol. 15, No. 3, August 2000, pp. 1137-1141.
- M. Shen, V. Venkatasubramanian, N. Abi-Samra, and D. Sobajic, “A new framework for estimation of generator
dynamic parameters”, IEEE Trans. Power Systems, Vol. 15, No.2, May 2000, pp. 756-763. - F. Howell and V. Venkatasubramanian, “Transient stability assessment using unstable limit cycles”, IEEE Trans.
Power Systems, May 1999, pp. 667-677. - V. Venkatasubramanian and W. Ji, “Coexistence of four different attractors in a fundamental power system
model”, IEEE Trans. Circuits and Systems, Part I, March 1999, Volume 46, No.3, pp. 405-409. - R. Mantri, A. Saberi, and V. Venkatasubramanian, “Stability analysis of continuous time planar systems with
state saturation nonlinearity”, IEEE Trans. Circuits and Systems, Part I, September 1998, pp.989-993. - V. Venkatasubramanian and W. Ji, “Computation of (n-1)-dimensional stable manifolds in large systems such as
the power system”, Automatica, September 1997, Vol.33, No.10, pp.1877-1883. - K. Kim, H. Sch¨attler, J. Zaborszky, V. Venkatasubramanian, and P. Hirsch, “Methods for calculating oscillations
in large scale power systems”, IEEE Transactions on Power Systems, November 1997, Vol.12, No.4, pp.1639-1648. - W. Ji and V. Venkatasubramanian, “Hard-limit induced chaos in a fundamental power system model”, International Journal of Electrical Power and Energy Systems, Vol. 18, No.5, September 1996, pp. 279–295.
- V. Venkatasubramanian, A. Saberi and Z. Lin, “On the existence of solutions and equilibrium points in a nonlinear
network”, IEEE Transactions on Circuits and Systems, Part-I, March 1996, Vol. 43, No. 3, pp. 233–235. - W. Ji and V. Venkatasubramanian, “Dynamics of a minimal power system: Invariant tori and quasi-periodic
motions”, IEEE Transactions on Circuits and Systems, Part I, Vol. 42, No.12, Dec., 1995. pp. 981–1000. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “A taxonomy of the dynamics of large differential-algebraic
systems”, Proceedings of the IEEE, November 1995, Vol. 83, No. 11, pp. 1530–1561. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “Fast time-varying phasor analysis in the balanced large
electric power system”, IEEE Transactions on Automatic Control, November 1995, Vol. 40, No. 11, pp. 1975–1982. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “Local bifurcations and feasibility regions and bifurcation
boundaries in constrained systems such as the power system”, IEEE Transactions on Automatic Control, December
1995, Vol. 40, No. 12, pp. 1992–2013. - V. Venkatasubramanian, “Tools for dynamic analysis of the general large power system using time-varying phasors”, International Journal on Electric Power and Energy Systems, December 1994, pp. 365–376.
- L. Perez, A. Flechsig, and V. Venkatasubramanian, “Modeling the protective system for power system dynamic
analysis”, IEEE Transactions on Power Systems, November 1994, pp. 1963–1973. - V. Venkatasubramanian, “Singularity induced bifurcation and the van der Pol oscillator”, IEEE Transactions on
Circuits and Systems, Part-I, November 1994, pp. 765–769. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “Voltage Dynamics: Study of a Generator with Voltage
Control, Transmission and Matched MW load”, IEEE Trans. on Automatic Control, November 1992, pp. 1717–1733.
BOOKS
M. Kezunovic, S. Meliopolous, V. Venkatasubramanian, and V. Vittal, “Application of Time-synchronized Measurements in Power System Transmission Networks“, Springer Verlag, 2014.
BOOK-CHAPTERS
X. Pan and V. Venkatasubramanian, “Multi-dimensional Modal Analysis in Large Power Systems“, from Ambient
Data based on Frequency-Domain Optimization, book chapter, Control and Optimization for Electric Smart Grids,
Springer Verlag, 2012.
J. Quintero and V. Venkatasubramanian, “A real-time wide-area controller for mitigating small-signal instability”,
Inter-area Oscillations, Springer Verlag, 2009, pp. 127-157.
K. Tomsovic and V. Venkatasubramanian, “Power System Operation and Control”, Electrical Engineering Handbook, Elsevier Academic Press, 2005, pp. 761-778.
V. Venkatasubramanian, and K. Tomsovic, “Power System Analysis”, Electrical Engineering Handbook, Elsevier
Academic Press, 2005, pp. 779-785.
V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “On the dynamics of differential-algebraic systems such
as the balanced large electric power system”, Systems and Control Theory for Power Systems, IMA Volumes in
Mathematics and its Applications, Vol. 64, Springer-Verlag, edited by J. H. Chow, P. V. Kokotovic, and R. J.
Thomas, 1994, pp. 381–398, book-chapter.
V. Venkatasubramanian, H. Sch ̈attler and J. Zaborszky, “Stability Regions for Differential Algebraic Systems”, Systems, Models and Feedback: Theory and Applications, Edited by A. Isidori and T. J. Tarn, Birkh ̈auser Boston Inc., 1992, pp. 385–402, book chapter.
- V. Venkatasubramanian, and H. Wajidi, Grid control for unknown resonance events, US Patent 11,742,662, August
29, 2023. - V. Venkatasubramanian, and E. Rezaei, Electrical circuit control in power systems, US Patent 10,666,051, May
26, 2020. - V. Venkatasubramanian, Z. Tashman, and H. Khalilinia, Systems and methods to detect poorly damped oscillation
modes, US Patent 9,568,513, Feb. 14, 2017. - V. Venkatasubramanian, and X. Liu. Systems and methods for global voltage security assessment in power systems.
US Patent 8,788,244, 2014. - V. Venkatasubramanian, “Method and device for assessing voltage security in a power system”, US Patent 8,498,832.
2013. - V. Venkatasubramanian, and G. Liu, “System and methods for electromechanical oscillation monitoring”, US Patent
08000914, 2011.
- M. M. Farrokhifard, V. Venkatasubramanian, G. Torresan, P. Panciatici, F. Xavier, “PMU Based Modal Analysis
of two RTE Oscillation Events”, Proc. Hawaii International Conference on System Sciences, 2024. - S. Ghimire, V. Venkatasubramanian, and G. Torresan, “Analysis of Optimization Algorithms for Multiple Parameter
Estimation in Model Validation Problems”, Proc. North American Power Symposium, 2023. - C. Thomas, M. Farrokhifard and V. Venkatasubramanian, “Power Spectrum Estimation for Frequency Domain
Ambient Modal Analysis and Oscillation Monitoring”, Proc. Hawaii International Conference on System Sciences,
2022. - N. Eastlake and V. Venkatasubramanian, “Impact of GPS spoofing on HVDC modulation”, Prof. Hawaii International Conference on System Sciences, 2020.
- M Hatami, MM Farrokhifard, and Venkatasubramanian, “Modal Damping Estimation: An Alternative for Hilbert
Spectral Analysis”, Proc. North American Power Symposium (NAPS), Wichita, KS, 2019. - H Zhang, J Ning, H Yuan, and Venkatasubramanian, “Implementing online oscillation monitoring and forced
oscillation source locating at peak reliability”, Proc. North American Power Symposium (NAPS), Wichita, KS,
2019. - M.Farrokhifard, M.Hatami, V.Venkatasubramanian, G.Torresan, P.Panciatici, F.Xavier, “Clustering of Power
System Oscillatory Modes Using DBSCAN Technique”, Proc. North American Power Symposium (NAPS), Wichita,
KS, 2019. - K.Koorehdavoudi, S.Roy, T.Prevost, F.Xavier, P.Panciatici, and V.Venkatasubramanian, “Input-output properties
of the power grids swing dynamics: Dependence on network parameters”, Proc. IEEE Conference on Control
Technology and Applications, Hong Kong, 2019. - M.Farrokhifard, M.Hatami, and V.Venkatasubramanian, “Performance of stochastic subspace identification methods in the presence of forced oscillations”, International conference on smart grid synchronized measurements and analytics, College Station, TX, 2019.
- M.Amelian, N.Badayos, V.Venkatasubramanian, F.Habibi-Ashrafi, A.Salazar, and B.Abu-Jaradeh, “Novel OptimizationBased Algorithms for a Substation Voltage Controller Using Local PMU Measurements”, Hawaii International Conference on System Sciences, 2018.
- J. O Brien, T. Wu, V. Venkatasubramanian, and H. Zhang, “Source location of forced oscillations using synchrophasor and SCADA data”, Proc. Hawaii International Conference on System Sciences, 2017.
- S.M.Amelian, V. Venkatasubramanian, J.Guerrero, N.Badayos,F.Habibi-Ashrafi, B.Abu-Jaradeh, and A.Salazar,
“Substation Local Voltage Controller using Synchrophasors”, Proc. Hawaii International Conference on System
Sciences, 2016. - T.T.Gamage,G.Zweigle, V. Venkatasubramanian, C.H.Hauser, and D.E. Bakken, “Towards Grid Resilience: A
Proposal for a Progressive Control Strategy”, Proc. IEEE Greentech 2016. - E. Rezaei, and V. Venkatasubramanian, “Self-Correction Strategies for Frequency Domain Ringdown Analysis”,
Proc. Hawaii International Conference on System Sciences, 2015. - Q. Zhang and V. Venkatasubramanian, “Synchrophasor time skew: formulation, detection and correction”, Proc.
North American Power Symposium, 2014. - Z. Tashman, and V. Venkatasubramanian, “Modal Energy Trending for Ringdown Analysis in Power Systems
Using Synchrophasors”, Proc. Hawaii International Conference on System Sciences, 2014. - J. Ning, X. Liu, and V. Venkatasubramanian, “Distributed Real-Time Stability Monitoring Algorithms using
Synchrophasors”, Proc. IREP Symposium Bulk Power System Dynamics and Control, Crete, Greece, 2014. - X. Pan, and V. Venkatasubramanian, “Multi-dimensional wavelet analysis for power system oscillation monitoring
using synchrophasors”, Proc. IEEE Innovative Smart Grid Technologies, 2012. - G. Zweigle, and V. Venkatasubramanian, “Model prediction based transient stability control”, Proc. IEEE Power
Engg Society Transmission and Distribution Exposition, 2012. - G. Liu, Z. Tashman, V. Venkatasubramanian, and P. Trachian, “Oscillation Monitoring System using synchrophasors”, Proc. IEEE PES General Power Meeting, 2012.
- V. Venkatasubramanian, J. Guerrero, H. Chun, F. Habibi-Ashrafi, and A. Salazar, “Hierarchical two-level voltage
controller for Southern California Edison”, Proc. IEEE PES General Power Meeting, 2012. - F. Galvan, A. Abur, K. Sun, M. Thomas, V. Venkatasubramanian, and K. Rubal, “Implementation of synchrophasor monitoring at Entergy: Tools, training and tribulations”, Proc. IEEE PES General Power Meeting,
2012. - G. Chen, Y. Sun, V. Venkatasubramanian, L. Cheng, J. Lin, and A. Bose, “Wide area control framework design
considering different feedback time delays”, Proc. IEEE PES General Power Meeting, 2012. - X.Yue and V. Venkatasubramanian, ”Algorithms for detecting static voltage instability in power systems using
synchrophasors”, Proc. Hawaii International Conference on System Sciences, January 2010. - F. DeVillers, M. Donolo, A. Guzman, and V. Venkatasubramanian, “Monitoring and Mitigating the Voltage
Collapse Problem in the Natal Network”, Proc. Western Protective Relay Conference, Spokane WA, Oct. 2009. - G. Liu, V. Venkatasubramanian, and J. Carroll, “Oscillation Monitoring System Using Synchrophasors”, Proc.
IEEE Power Engineering Society General Power Meeting, July 2009. - M. Donolo, V. Venkatasubramanian, A. Guzman, and F. DeVillers, “Monitoring and Mitigating the Voltage
Collapse Problem in the Natal Network”, Proc. IEEE Power System Conference and Exposition, March 2009,
Seattle WA. - V. Venkatasubramanian, X. Yue, G. Liu, M. Sherwood, and Q. Zhang, “Wide-Area Monitoring and Control
Algorithms for Large Power Systems using Synchrophasors”, Proc. IEEE Power System Conference and Exposition,
Seattle, WA, March 2009. - X.Liu, V. Venkatasubramanian, and T. Kim, “Automatic Voltage Controllers for South Korean Power System”,
Proc. Hawaii International Conference on System Sciences, January 2009. - R. Xu, G. Kobet and V. Venkatasubramanian, “Loss of field protection and its impact on power system stability”,
Proc. Western Protective Relay Conference, Spokane WA, October 2008. - G. Liu and V. Venkatasubramanian, “Oscillation monitoring from ambient PMU measurements by frequency
domain decomposition”, Proc. IEEE ISCAS, Seattle, May 2008. - Y. Chen, X. Liu and V. Venkatasubramanian, “ Fast Algorithms for Detecting Circular VAR Flows in Large
Power-Flow Models”, Proc. Hawaii International Conference on System Sciences, Hawaii, January 2008. - V. Venkatasubramanian, “Real-time voltage security assessment using synchrophasors”, Proc. Western Protective
Relay Conference, Spokane WA, October 2007. - G. Liu, J. Quintero, and V. Venkatasubramanian, “ Oscillation monitoring system based on wide area synchrophasors in power systems”, Proc. IREP Symposium on Bulk Power System Phenomena-VII, Revitalizing Operational
Reliability, Charleston SC, August 2007. - X. Yue and V. Venkatasubramanian, ” Complementary limit induced bifurcation theorem and analysis of Q limits
in power-flow studies”, Proc. IREP Symposium on Bulk Power System Phenomena-VII, Revitalizing Operational
Reliability, Charleston SC, August 2007. - J. Su and V. Venkatasubramanian,“ A hybrid on-line slow voltage control scheme for large power systems”,
Proc. IREP Symposium on Bulk Power System Phenomena-VII, Revitalizing Operational Reliability, Charleston SC,
August 2007. - M. Sherwood, D. Hu, and V. Venkatasubramanian,“ Real-time detection of angle instability using synchrophasors
and action principle”, Proc. IREP Symposium on Bulk Power System Phenomena-VII, Revitalizing Operational
Reliability, Charleston SC, August 2007. - J. Quintero, G. Liu and V. Venkatasubramanian, “ An Oscillation Monitoring System for Real-time Detection of
Small-Signal Instability in Large Electric Power Systems”, Proc. IEEE Power Engineering Society General Meeting,
Tampa FL, July 2007. - D. Hu and V. Venkatasubramanian, “ New Wide-Area Algorithms for Detection and Mitigation of Angle Instability
using Synchrophasors”, Proc. IEEE Power Engineering Society General Meeting, Tampa FL, July 2007. - J. Quintero and V. Venkatasubramanian, “ SVC compensation on a real-time wide-area control for mitigating
small-signal instability in large electric power systems”, Proc. IEEE International Conference on Power System
Technology, China, October 2006. - D. Hu and V. Venkatasubramanian, “ New wide-area algorithms for detecting angle instability using synchrophasors”, Proc. Western Protective Relay Conference, Spokane, WA, October 2006.
- J. Quintero and V. Venkatasubramanian, “ Results on a real-time wide-area control for mitigating small-signal
instability in large electric power systems”, Proceedings of the IEEE PES T&D Latin America Conference and
Exposition, Venezuela, August 2006. - Y. Li and V. Venkatasubramanian, “ Computation of unstable limit cycles in large-scale power system models ”,
Proc. IEEE International Symposium on Circuits and Systems, Greece, May 2006. - J. Quintero and V. Venkatasubramanian, “A real-time wide-area control for mitigating small-signal instability in
electric power systems”, Proc. Hawaii International Conference on System Sciences, Hawaii, January 2005. - V. Venkatasubramanian and Y. Li, “Analysis of the 1996 Western American electric blackouts”, Proc. 2004 IREP
Symposium Bulk Power Dynamics and Control -VI, Cortina D Ampezzo, Italy, August 2004. - G. Zhao and V. Venkatasubramanian, “Fast tuning procedures for emergency controls using eigenvalue computations”, Proc. International Conference on Electric Supply Industry in Transition: Prospects and Issues for Asia,
January 2004, Bangkok, Thailand. - V.Venkatasubramanian and R. Kavasseri, “Direct computation of generator internal dynamic states from terminal
measurements”, Proc. Hawaii International Conference on System Sciences, January 2004. - V.Venkatasubramanian, “Stable operation of a simple power system with no equilibrium points”, Proc. IEEE
Conference on Decision and Control, December 2001, pp. 2201–2203. - V. Venkatasubramanian, “Stability boundary analysis of nonlinear dynamics subject to state limits”, Proceedings
of the 34th Annual Hawaii International Conference on System Sciences, January 2001, pp. 762–767. - V. Venkatasubramanian and M. Shen, “Decentralized estimation of power system dynamic models”, Proc. IEEE
Conference on Decision and Control, December 2000, pp. 2035–2039. - J. Li and V. Venkatasubramanian, “Study of Hopf bifurcations in a simple power system model”, Proc. IEEE
Conference on Decision and Control, December 2000, pp. 3075–3079. - J. Li and V. Venkatasubramanian, “Study of unstable limit cycles in power system models”, Proc. IEEE Power
Engineering Society Summer Meeting, 2000, pp. 842–847. - C. W. Taylor, V. Venkatasubramanian, and Y. Chen, “Wide-area stability and voltage control”, Proc. VII
Symposium of Specialists in Electric Operational and Expansion Planning, VII SEPOPE, Curitiba, Brazil, 2000. - H. Liu, A. Bose, and V. Venkatasubramanian, “A fast voltage security assessment method using adaptive bounding”, Proc. IEEE Power Industry Computer Applications, 1999, pp. 325–330.
- V.Venkatasubramanian, K.W. Schneider, C.W. Taylor, “Improving pacific inter-tie stability using existing static
var compensators and thyristor controlled series compensation”, Proc. Bulk Power systems dynamics and control
IV: restructuring, Santorini, Greece, August 1998, pp. 647-651. - V. Venkatasubramanian, X. Jiang, H. Sch¨attler and J. Zaborszky, “On the dynamics of large nonlinear systems
with saturation on states and signals”, Proc. IEEE Conference on Decision and Control, December 1996. - W. Ji, F. Howell, and V. Venkatasubramanian, “Detection of complicated nonlinear phenomena in large power
system models”, Proc. Power Systems Computation Conference, Vol. I, Dresden, August 1996, pp. 430–439. - X. Jiang, V. Venkatasubramanian, H. Sch¨attler, and J. Zaborszky, “Dynamics of large power system constrained
by hard-limits”, Proc. Power Systems Computation Conference, Vol.1, Dresden, August 1996. - V. Venkatasubramanian and W. Ji, “Numerical approximation of (n-1)-dimensional stable manifolds in large
systems such as the power system”, Proc. 13th World Congress of International Federation of Automatic Control,
Volume 10: Power Plants and Systems, Computer Control, June 1996, pp. 253–258. - R. Mantri, A. Saberi and V. Venkatasubramanian, “Stability analysis of continuous time planar systems with
state saturation nonlinearity”, Proc. IEEE International Symposium on Circuits and Systems, May 1996. - V. Venkatasubramanian and W. Ji, “Chaotic motions from intermittency mechanisms in a simple power system”,
Proc. IEEE International Symposium on Circuits and Systems, May 1996, pp. 641–644. - W. Ji and V. Venkatasubramanian, “Hard-limit induced chaos in a single-machine-infinite-bus power system”,
Proc. IEEE Conference on Decision and Control, December 1995, pp. 3465–3470. - V. Venkatasubramanian, X. Jiang, H. Sch¨attler and J. Zaborszky, “Current status of the taxonomy theory of
power system dynamics: constrained systems with hard-limits”, Proc. NSF International Workshop on Bulk Power
Voltage Phenomena, Davos, Switzerland, August 1994, pp. 15-103. - W. Ji and V. Venkatasubramanian, “Center manifold computations in bifurcation analysis of large systems such
as the power system”, Proc. IEEE American Control Conference, Seattle, WA, June 1995, pp. 1573–1579. - W. Ji and V. Venkatasubramanian, “Dynamics of a minimal power system model: invariant tori and quasi-periodic
motions”, Proc. IEEE International Symposium on Circuits and Systems, May 1995, pp. 1131-1135. - X. Jiang, H. Sch¨attler, J. Zaborszky and V. Venkatasubramanian, “Hard-limit induced oscillations”, Proc. IEEE
International Symposium on Circuits and Systems, May 1995, pp. 146-149. - V. Venkatasubramanian, R. Mantri and A. Saberi, “On the existence/uniqueness of solutions for nonsmooth
systems”, Proc. IEEE American Control Conference, June 1995. - X. Jiang, V. Venkatasubramanian, H. Sch¨attler, and J. Zaborszky, “Hard-limit induced stability phenomena in
the power system”, Proc. IEEE Conference on Control Applications, June 1995, New York. - R. Mantri, V. Venkatasubramanian and A. Saberi, “An investigation of simple nonsmooth power system models”,
Proc. IEEE Conference on Decision and Control, Florida, December 1994. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “Time-delay differential-algebraic phasor formulation of
the large power system dynamics”, Proc. IEEE International Symposium on Circuits and Systems, June 1994. - V. Venkatasubramanian, A. Saberi and Z. Lin, “A notion of solutions and equilibrium points for nonsmooth
systems”, Proc. IEEE Conference on Decision and Control, December 1993, pp. 1-7. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “Analysis of local bifurcation mechanisms in large
differential-algebraic systems such as the power system”, Proc. IEEE Conference on Decision and Control, December
1993, pp. 3727-3733. - J. Zaborszky, H. Sch¨attler and V. Venkatasubramanian, “Limitations of the Quasi stationary Dynamics and Error
due to Phasor Computations in Network Equations”, Proc. Power Systems Computations Conference, France, 1993. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “Varied Origins of Voltage Collapse for the Large Electric
Power System”, Proc. IFAC World Congress, 1993. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “Homoclinic Orbits and the Persistence of the Saddle
connection bifurcation for the Large Electric Power System”, Proc. IEEE International Symposium on Circuits and
Systems, May 1993, Chicago, pp. 2648-2651. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “Analysis of the Tap Changer Related Voltage Collapse
Phenomena for the Large Electric Power System”, Proc. IEEE Conference on Decision and Control, Tucson, Arizona,
December 1992, pp. 2920–2927. - V. Venkatasubramanian, “On a Singular Transformation for Analyzing the Global Dynamics of a Class of Singular
DAEs”, Proc. Symposium on Implicit and Nonlinear Systems, December 1992, pp. 364–371. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “A New Approach for Voltage Security Monitoring of a
Large Electric Power System”, Proc. IEEE American Control Conference, June 1992. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “A Stability Theory of Differential-Algebraic Systems
such as the Power System”, Proc. IEEE International Symposium on Circuits and Systems, San Diego, May 1992,
pp. 2517–2520. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “A Taxonomy of the Dynamics of a large Electric
Power System with Emphasis on its Voltage Stability”, Proc. NSF International Workshop on Bulk Power Voltage
Phenomena, Maryland, August, 1991, pp. 9–52. - V. Venkatasubramanian, H. Sch¨attler and J. Zaborszky, “Global Voltage Dynamics: Study of a Generator with
Voltage Control, Transmission and Matched MW load”, Proc. IEEE Conference on Decision and Control, Honolulu,
Hawaii, December 1990, pp. 3045–3056.
- V. Venkatasubramanian, X. Liu, J. Guerrero, and H. Chun, Project S37 Final Report Part B Substation Voltage
Controller, Power Systems Engineering Research Center, April 2012. - V.Venkatasubramanian and M. Sherwood, Project S31 Final Report: Part I: Real-Time Security Assessment of
Angle Stability Using Synchrophasors, Power Systems Engineering Research Center, February 2010. - V.Venkatasubramanian, G. Liu, and Q. Zhang, Detection, Prevention and Mitigation of Cascading Events, Part II,
Final Report, Power Systems Engineering Research Center, November 2008. - V.Venkatasubramanian and J. Quintero, Detection, Prevention and Mitigation of Cascading Events, Part II, Final
Report, Power Systems Engineering Research Center, November 2005. - Y. Li, and V. Venkatasubramanian, “Coordination of transmission line path flows”, Final project report, Power
Systems Energy Research Center, May 2002. - I. Dobson, T. Van Cutsem, C. Vournas, C. DeMarco, V. Venkatasubramanian, T. Overbye, C. Canizares, Voltage
stability assessment: concepts, tools and practices, IEEE PES power system stability subcommittee special publication, IEEE product number SP101PSS, ISBN 0780378695, 2002. - D. Kosterev, S. Yirga, and V. Venkatasubramanian, “Validation report of the August 10, 1996, WSCC disturbance”,
Operating Capability Study Group, Western Systems Coordinating Council, March 1997. - R. Aggarwal, R. Daschmans, R. Schellberg, V. Venkatasubramanian, and S. Yirga, “Validation stduies of the
July 2, 1996, WSCC system disturbance event”, Operating Capability Study Group, Western Systems Coordinating
Council, July 1997. - V. Venkatasubramanian, W. Ji, F. Howell, and K. S. Shah, “Application of taxonomy theory, Volume II: Nonlinear
analysis of power system oscillations”, EPRI TR-105492-V2, Project 3573-10, Final report, May 1996. - J. Zaborszky, H. Schattler, K. Kim, V. Venkatasubramanian, W. Ji, N. Dehkordi, and K. S. Shah, “Application
of taxonomy theory, Volume I: Computation of Hopf bifurcation related segment of the feasibility boundary”, EPRI
TR-105492-V1, Project 3573-10, Final report, October 1995.