Dr Michael Gibbard

Biography/ Background

http://www.eleceng.adelaide.edu.au/Personal/gibbard/

• Mar. 1958-Sept. 1960: Postgraduate apprenticeship and employment with the BTH Co. (one and a half years with BTH Power Systems Engineers, London).
• Oct. 1960-June 1961: Student, London School of Economics and Political Science.
• Aug. 1961-Sept 1965: Engineer, System Design Branch, Snowy Mountains Hydro-Electric Authority, Cooma, Australia
• Oct. 1965-Dec. 1968: PhD Student, Electrical Engineering Dept., Queen's University, Canada.
• Feb. 1969-June 1970: Management Services Dept., Imperial Chemical Industries, Melbourne, Australia.
• July 1970-Nov. 2002: Academic Staff , School of Electrical & Electrical Engineering, The University of Adelaide, Australia
• Dec. 2002-present: Honorary Visiting Research Fellow, School of Electrical & Electrical Engineering, The University of Adelaide.

Fellow Institute of Electrical & Electronic Engineers, New York.

 

Related Links

• Mudpack - An interactive software package for investigating the small-signal dynamic performance of multi-machine power systems.
• Power systems dynamics and control>

Qualifications

• B.Sc. (Eng.) cum laude, University of the Witwatersrand, South Africa. Dec. 1957.
• Certificate in Business Administration, London School of Economics and Political Science, 1961.
• Ph.D., Queen's University, Kingston, Ontario, Canada, Dec. 1969.

Research Interests

• Power systems dynamics and control (1970-present)
• Digital control systems (1983-1993)
• Design and coordination of Power System Stabilisers (1981-present), and FACTS Device Stabilisers (1995-present).
• Identification of generator and controller parameters using: frequency response methods and recordings of large disturbances on the power system (1970-75), the bilinear operator (1988-1992).
• Multi-variable dynamic compensator design. Numerical operation with polynomial matrices (book 1992).
• Self-tuning, Predictive Control Systems (1984-1987); application to Power System Stabilisers (1987-1992).
• Development of software for analysing the dynamic performance of integrated hydro and electric power systems (with Dr. A.R. Simpson of Dept. of Civil & Envir. Engineering, 1991-1997).
• With David Vowles, development of production-grade software (Mudpack) used by the Electricity Supply Industry and consultants for the small-signal analysis of power system dynamics and for stabiliser design & coordination (Version 1, 1985, to Version 10R, 2007).
• Consulting to the Electrical Supply Industries (1995- present)

Research Officers & Postdoctoral Fellows supported by Grants

Abbreviations:

• RO Classification: Research Officer , Higher Education Officer, etc
• PD Postdoctoral Fellow, RF Research Fellow.

Name	Type	Period	Grantor	Project
B.R. Korte	RO	1982/3	ERB	Controllers for Multimachine Power Systems
		1984/6	ERB	Coordination of Power System Stabilisers Gain Settings
Y.T. Wong	RO	1983	ERB	Controllers for Multimachine Power Systems
A.P. Paplinski	RF	1982/6	DoD	Digital Control Systems
M. Rogozinski	PD	1986	ERB	Self-tuning Power System Stabilisers
C. Wen	PD	1989/1	ERB	Self-tuning Power System Stabilisers
J. McPheat	RO	1991/3	AESIRB	Integrated modelling of hydro-electric power plant
D.J. Vowles	RO	1993-present	AESIRB	Extension of small-signal dynamics software package Mudpack to include DC links
			ERDC/ESAA	Coordination of controls for DC links, series capacitors & PSSs
			Power Utilities Agreement	Coordination of PSSs, FACTS stabilisers and other controllers, etc.

 

Research Funding

Funding has been received from the following:

• Electricity Supply Industry
• Electricity Supply Association of Australia
• Electrical Research Board (administered by ESAA)
• Australian Electricity Suppy Industry Research Board (formerly ERB)
• Energy Research & Development Council
• Dept. of Defence
• Electricity Trust of South Australia, now ElectraNet SA
• Power Utilites Group: NEMMCO, Powerlink Qld., Transgrid, VenCorp, Transend Networks, ElectraNet SA.
  

The following is a list of the major grants which are associated with Power System Dynamics and Control, or with Control Systems (continuous or discrete), over the period 1981-present.

Project Title	Grantor	Date
Controllers for Multimachine Power Systems	ERB	1979-1982
Coordination of Power System Stabilisers Gain Settings in Multimachine Systems	ERB	1984-1986
Digital Control Systems	DoD, Salisbury	8/1982-7/1985
Self-tuning Power System Stabilisers	ERB	1987-1992
Experimental measurement of synchronous generator & controller parameters using recursive estimation techniques (with Dr. C.C. Lim)	ARC	1990
Integrated modelling of hydro-electric power plant (with Dr. A.R. Simpson, Dept. of Civil & Envir. Engineering)	AESIRB	1991-1993
Extension of small-signal dynamics software package Mudpack to include DC links	AESIRB ETSA	3/1993-2/1994
Coordination of controls for DC links, series capacitors & PSSs	ERDC/ESAA	3/1994-3/1997
Funds for Subroutine Library for the above project.	ETSA	1996
Coordination of PSSs, FACTS stabilisers and other controllers. Enhancements to Mudpack Software. Conversion of controller models to Mudpack format. Small-signal modelling of wind turbines.	Power Utilites Agreement	4 three-year grants, 1997-Present

 

Publications

Books:

Stefanidis, P., Paplinski, A.P. and Gibbard, M.J. "Numerical Operations with Polynomial Matrices: Application to Multi-Variable Dynamic Compensator Design". Lecture Notes in Control and Information Sciences, Vol 171, Springer-Verlag, FRG, February 1992, ISBN 3-540-54992-7.

Gibbard, M.J. and Parker, A.M. (eds), "Proceedings of the 1995 Residential School in Electric Power Engineering", Vols 1 and 2, ISBN 0 86396 256 4, The University of Adelaide, February 1995.

 

Chapters in publications:

Hobson, E., Brown, R.S., Gibbard, M.J. and Parker, A.M., "Steady State Analysis of Electrical PowerSystems, Chs. 1, 2, 5, 6, Electricity Supply Association of Australia, ISBN 0-85875-064-3, 1992.

"Analysis and control of power system oscillations", CIGRE Publication no. 111 prepared by Task Force 38.01.07, 1997. (Minor contributions with D. Vowles and P. Pourbeik to Ch. 6, "System Modelling and Validation" and to Ch. 7, App. B, "Analytical Tools and Techniques".)

"Impact of Interactions among Power System Controls", CIGRE Technical Brochure no. 166 prepared by Task Force 38.02.16, published by CIGRE in 2000. Lead Editor Chapters 3, 4 & 5.

"Identification of Electromechanical Modes in Power Systems", IEEE Task Force Report, Special Publication TP462, June 2012. Lead Editor Chapter 4.

 

Main journal articles:

 

Barlett, J.P., Gibbard, M.J. and Woodward, J.L. "Performance of a 5kVA synchronous generator with an optimal excitation regulator". Proc IEE, Vol.120, No.10, 1973, pp.1250-1256.

Gibbard, M.J. and Kaan, Q.H. "Identification of excitation system parameters". IEEE Trans, PAS-94, 1975, pp.1201-1207.

Phung, V.A. and Gibbard, M.J. "Practical implementation on a 5kVA synchronous generator of an adaptive excitation controller strategy for a wide range of operating conditions". Proc IEE, Vol.125, No.10, Oct.1978, pp.1009-1014.

Podmore, R., Gibbard, M.J., et al. "Automatic generation control of jointly-owned generating units". Trans IEEE, PAS-98, 1979, pp.207-218.

Muttik, P.M. and Gibbard, M.J. "An application of multivariable control theory to a study of multi-machine power system dynamic behaviour". Trans IEAust, Vol.EE14, No.2, 1978.
Muttik, P.M. and Gibbard, M.J. "Design of synchronous generator excitation controllers in multi-machine power systems using Inverse Nyquist Array". Proc IEE, Part C, Vol.127, No.6, 1980, pp.350-356.

Gibbard, M.J. "Coordination of multi-machine stabiliser gain settings for a specified level of system damping performance". Proc IEE, Part C, Vol.129, No.2, 1982, pp.45-48.

Shi, J. and Gibbard, M.J. "Discrete systems models based on simple performance specifications in the time, frequency or complex z-domains". Int J of Cont, Vol 42, 1985, pp.517-527.

Shi, J. and Gibbard, M.J. "A frequency response matching method for the design of digital controllers with constraints on pole-zero locations". Int J of Cont, Vol 42, 1985, pp.529-538.

Paplinski, A.P. and Gibbard, M.J. "On constraints in pole assignment by static feedback". Int J of Cont, Vol.42, No.5, 1985, pp.1099-1113.

Rogozinski, M.W., Paplinski, A.P. and Gibbard, M.J. "An algorithm for the calculation of a nilpotent interactor matrix for linear multivariable systems". IEEE Trans Automat Contr, Vol.AC-32, March 1987, pp.234-237.

Gibbard, M.J. "Coordinated design of multimachine power system stabilisers based on damping torque concepts". Proc IEE, Pt.C, Vol.135, July 1988, pp.276-284.

Rogozinski, M.W. and Gibbard, M.J. "Long range predictive control - closed-loop analysis". Systems and Control Letters, Vol.11, No.5, Nov.1988, pp.341-349.

Gibbard, M.J. "Robust design of fixed-parameter power system stabilisers over a wide range of operating conditions". IEEE Transactions on Power Systems, Vol 6, No. 2, May 1991, pp 794-800.

Merchant, R.W. and Gibbard, M.J. "Identification of synchronous machine parameters from standstill tests using recursive estimation with the bilinear operator", Proc. IEE, Part C, Vol. 139, No 2, March 1992, pp 157-165.

Wen, C. and Gibbard, M.J., "A conventional power system stabiliser with an auxiliary self-tuning/fixed parameter controller", Int. J. of Electrical Power & Energy Systems, Vol 17, no 1, 1995, pp.39-49.

Pourbeik, P. and Gibbard, M.J., "Damping and synchronising torques induced on generators by FACTS stabilizers in multimachine power systems", IEEE Trans on Power Systems, Vol 11, no. 4, Nov 1996, pp. 1920-1925. (Presented at the IEEE Power Engineering Society, Winter Meeting, Baltimore, paper no. 96 WM 253-5 PWRS, January 1996.

Pourbeik, P. and Gibbard, M.J., "A basis for co-ordination of PSSs in multimachine systems: contributions of individual PSSs and generators to shift in rotor modes", submitted to IEE for publication, September 1996.

He, F. and Gibbard, M.J., "Design of an adaptive bilinear stabilizer", Automatica, Vol. 33, no. 4, April 1997, pp. 663-668.

Pourbeik, P. and Gibbard, M.J., "Simultaneous coordination of Power-System Stabilizers and FACTS device stabilizers in a multimachine power system for enhancing dynamic performance", IEEE Transactions on Power Systems, Vol 13, no. 2, May 1998, pp. 473-479. (Presented at the IEEE Power Engineering Society Winter Meeting, New York, 2-6 Feb 1997, Paper no. WM97-171.)

M.J. Gibbard, D.J. Vowles and P. Pourbeik, "Interactions between, and effectiveness of, power system stabilizers and FACTS stabilizers in multimachine systems", IEEE Transactions on Power Systems, Vol 15, no. 2, May 2000, pp. 748-755. Presented at the Winter Meeting of the IEEE Power Engineering Society, Paper No. PE-081-PRS (08-99), Singapore, 24-27 January 2000. In February 2001 this paper received the Prize Paper Award for 2000 from the Power System Dynamic Performance Committee of the IEEE PES.

M.J. Gibbard and D.J. Vowles, "Discussion of 'The application of Power System Stabilizers to multigenerator plant' ", IEEE Transactions on Power Systems. Vol. 15, no. 4, Nov. 2000, pp. 1462-1464.

M.J. Gibbard, N. Martins, J.J. Sanchez-Gasca, N. Uchida, V. Vittal, L. Wang, "Recent Applications in Linear Analysis Techniques", IEEE Transactions on Power Systems. Vol. 16, no. 1, Feb. 2001, pp. 154-162.

Pourbeik, P., Gibbard, M.J. and Vowles, D.J., "Proof of the equivalence of residues and induced torque coefficients for use in the calculation of eigenvalue shifts", IEEE Power Engineering Review, Power Engineering Letters, Vol. 22, no.1, Jan. 2002, pp. 58-60.

Gibbard, M.J. and Vowles, D.J.,"Reconciliation of methods of compensation for PSSs in multimachine systems", IEEE Transactions on Power Systems. Vol. 19, no. 1, Feb. 2004, pp. 463-472. (Also presented at IEEE PES Annual Meeting in Denver, 7-11 June 2004.)

J.J. Sanchez-Gasca, V.Vittal, M.J. Gibbard, A.R. Messina, D.J. Vowles, B.S. Liu and U.D. Annakkage, "Inclusion of higher-order terms for small signal (modal) analysis: Committee Report - Task Force on assessing the need to include higher-order terms for small-signal (modal) analysis". IEEE Transactions on Power Systems. Vol. 20, no. 4, Nov. 2005, pp. 1886-1904.

 

Main conference proceedings (1991 - present):

(* indicates a refereed paper; ^ an invited paper)

Merchant, R.W. and Gibbard, M.J. "Continuous-time transfer function estimation using the bilinear operator", Proceedings of Australasian Universities Power and Control Engineering Conference, Monash University, Oct. 1991, pp 189-194.

Merchant, R.W., Gibbard, M.J. and Parker, A.M. "Identification of synchronous machine parameters using RLS estimation with the bilinear operator", 27th Universities Power Engineering Conference, University of Bath, 23-25 Sept. 1992.

Simpson, A.R., Gibbard, M.J. and McPheat, J., "Development of an integrated hydraulic-electrical model for hydropower plant", Proc. of the Waterpower '93 Conf, Nashville, Tennessee, August 1993, pp.1150-1159.
* He, F. and Gibbard, M.J., "Adaptive nonlinear control in the design of a power system stabiliser," Proc. Aust. Universities Power Engineering Conf, Adelaide, September 1994, pp.560-565

Vowles, D.J., Gibbard, M.J. and Korte, B.R., "Software for co-ordination of controls of multimachine PSSs and FACTS devices", Proc. Aust. Universities Power Engineering Conf, Adelaide, September 1994, pp.670-675.

Pourbeik, P. and Gibbard, M.J., "Optimum location of PSSs in multimachine power systems and PSS interactions", Proc. Aust. Universities Power Engineering Conf, Adelaide, September 1994, pp.572-577.

Simpson, A., McPheat, J. and Gibbard, M.J., "Modelling of the interaction between the hydraulics and electrical systems in hydropower plants", Proc. Aust. Universities Power Engineering Conf, Adelaide, September 1994, pp.7-12.

* He, F. and Gibbard, M.J., "Performance of a nonlinear controller in power systems stabilisation", American Control Conf, Seattle, June 1995.

* He, F. and Gibbard, M.J., "Nonlinear modelling and adaptive control of power system stabilisation", IFAC Conf on Non-linear System Design, Tahoe City, June 1995.

* He, F. and Gibbard, M.J., "An adaptive bilinear control method in the design of a power system stabiliser", IFAC Conf on System Structure & Control, Nantes, July 1995.

Pourbeik, P. and Gibbard, M.J., "Tuning of SVC stabilisers for the damping of inter-area modes of rotor oscillation", Proc. Australasian Universities Power Engineering Conf, Perth, Sept 1995, pp.265-270.

* Pourbeik, P. and Gibbard, M.J., "Simultaneous coordination of Power-System Stabilizers and FACTS device stabilizers in a multimachine power system for enhancing dynamic performance", Paper no. WM97-171, IEEE Power Engineering Society Winter Meeting, New York, 2-6 Feb 1997. (To be published in IEEE Transactions on Power Systems.)

Vowles, D., Pourbeik, P. and Gibbard, M.J., "Contribution of individual PSSs and FACTS device stabilisers to the damping of rotor modes of oscillation", Proc. of the International Power Engineering Conference, IPEC'97, Singapore, 22-24 May 1997, pp. 196-201.

^ Gibbard, M.J., Pourbeik, P. and Vowles, D.J., "Coordination of multiple, distributed stabilisers in interconnected power systems", invited paper for the conference CONTROL 97, Sydney, 20-22 October 1997, pp. 458-463.

Martins, N., Corsi, S., Andersson, G., Gibbard, M.J., Sanchez-Gasca, J.J., Silva, A. and Taranto, G.N., "Impact of interactions among controls: Status Report of CIGRE TF 38.02.16". VI Symposium of Specialists in Electric Operational and Expansion Planning, San Salvador, Brazil, 24-29 May 1998.

^ Gibbard, M.J., "Simultaneous Coordination of Oscillation Damping Controllers (PSSs and FACTS Device Stabilizers)". Invited presentation at the Panel Session on Recent Applications of Linear Analysis Techniques, IEEE Power Engineering Society Summer Meeting in San Diego, July 1998.

Gibbard, M.J. & Vowles, D.J., "Design of Power System Stabilizers for a Multi-Generator Power Station", Proceedings of the 2000 International Conference on Power System Technology (PowerCon 2000), Perth, Australia, 4-7 December 2000, pp. 1167-1171.

J.J. Sanchez-Gasca, V.Vittal, M.J. Gibbard, A.R. Messina, D.J. Vowles, B.S. Liu and U.D. Annakkage, "Higher-order terms for small signal stability analysis", presented at the IEEE PES Annual Meeting in San Francisco, 13-16 June 2005.

D.A. Gray, M.J. Gibbard and D.J. Vowles, "Characterisation of ambient noise in Electric Power Grids", accepted for the International Signal Processing Conference in Sydney, 2005.

Vowles, D.J.; Samarasinghe, C.; Gibbard, M.J.; Ancell, G., "Effect of wind generation on small-signal stability — A New Zealand Example", IEEE Power and Energy Society General Meeting, 2008, pp 1 - 8.

Vowles, D.J.; Gibbard, M.J.; Geddey, D.K.; Bones, D., , "Benchmark testing methodology for continuous modal-estimation Algorithms". IEEE Power and Energy Society General Meeting, 2009, pp 1 - 8.

Vowles, D.J.; Gibbard, M.J., "Illustration of an analytical method for selecting signals and locations for power system modal-estimators", IEEE Power and Energy Society General Meeting, 2010, pp 1 - 7.

 

Professional Associations

Fellow, Institute of Electrical and Electronic Engineers, New York

CIGRE

• Member of Australian Panel 38 of CIGRE 1975-2002.
• Member of CIGRE Task Force 32.02.16, Convenor: Nelson Martins: "Impact of Interactions Among Power System Controls", Technical Brochure 166, CIGRE 2000.
• Contributor to publication, "Analysis and control of power system oscillations", CIGRE Technical Brochure 111, 1997 prepared by Task Force 38.01.07, 1997, Convenor: John Paserba.
  

 

 

 

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Community Engagement

(Mr. D.J Vowles is the major contributor to this work. In the development of Limit Equation Software, a major project, he has been assisted by Tyson Ritter. )

Consulting

Tuning of Power System Stabilizers: (Several consultancies for each of Powerlink Qld, Hydro Tasmania, Transend, ElectraNet SA.)

Tuning of stabilizers known as Power Oscillation Dampers (PODs). (Several consultancies for Powerlink Qld).

Small-signal modeling of HVDC Light: Murraylink (for Nemmco).

Several consultancies associated with (i) the small-signal modeling of Basslink HVDC cables & converters (for Transend Networks); (ii) commissioning of Basslink (for Hydro Tasmania).

Assessment of the tests on the performance of the Qld-NSW interconnector following commissioning (for Nemmco).

Benchmarking of continuous modal estimators for the Australian Grid (for Nemmco).

Stability of generators at leading power factor operation (for NRG Flinders).

Wind turbines and windfarms in weak distribution networks (for Hydro and ElectraNet). Design of fast closed-loop voltage control in windfarms to mitigate against voltage instability (ElectraNet).

Development of limit-equation software (AULimit) to determine the power transmission levels for secure operation of the system in the event of a contingency (for ElectraNet). The limits may be due to thermal ratings, voltage stability or transient stability.

Effect of Wind Penetration on small-signal damping and stability (Transpower New Zealand).

Commissioning of PSS and AVR controls for the combined-cycle generation at Condamine Power Station (for Hill Michael and Associates, Consutants).

Provision of short-courses for industry engineers in power-system stability and control and in the use of the Mudpack Software.

 

Entry last updated: Wednesday, 12 Sep 2012