Curriculum Vitae
John F. Lyles

WORK EXPERIENCE

Principal Electrical Engineer
POWER ENGINEERING
Irvine, California 

Mr. Lyles received his Electrical Engineering education in London, England from the North Western Polytechnic and Willesden Technical college.

Following an Electrical Engineering program with the British Thomson Houston Company, he joined the Canadian General Electric company Graduate Engineers "Test" Course in 1955.

During his 14 year tenure with C.G.E. Company, he was engaged in the design on Induction motor for 7 years and Hydraulic Generators for 7 years. His final position with the C.G.E. Company was Technical Counselor Electrical Design Hydraulic Generators. His responsibilities were the planning of design, manufacture, installation, testing and commissioning of equipment supply contracts (generators up to 500 MV.A, Hydrogen cooled synchronous condensers up to 110 Mvar, 3 psi).

For approximately 2 years he was with H.G. Acres Limited, as a Senior Engineer Electrical.

A member of Ontario Hydro staff for 23 years, Mr. Lyles was Supervising Engineer Electrical Hydraulic Plant Equipment, where he was responsible for all aspects of Electrical apparatus related to hydraulic generation.

He has authored or co-authored 23 papers pertaining to generator maintenance, stator winding purchase and installation specifications and Partial Discharge testing (PDA). He is the author of an in-house document covering Guidelines for rewinding hydraulic generator stators which has become a reference source document for utilities on a world wide basis.

One of his papers received a Technical Achievement Award at the Electrical/ Electronic Insulation Conference in Boston October 1985.

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President
G.E. ARMSTRONG ENTERPRISES, INC.
1993-Present

Providing Maintenance Engineering and Analysis of Operational/ Design problems relating to equipment utilized within Hydraulic Generating Stations. PDA stator winding data and air gap online monitoring data analysis service offered. Specifications covering stator frame, core replacement, stator winding, rotor field winding and surface air coolers can be provided.

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Supervising Engineer Electrical
Hydraulic Plant Equipment
ONTARIO HYDRO
1971-1993

All aspects of Electrical Design relating to equipment utilized within Hydraulic Generating Stations. Indulging preparing specifications covering the purchase, installation and testing of stator windings rated 2300 V to 15 kV, excitation systems, generator breakers and field breakers.

Economic justification of all equipment replacement and major equipment repairs, etc. via use of reliability indexes and Markov Models, etc.Economic justification of all equipment replacement and major equipment repairs, etc. via use of reliability indexes and Markov Models, etc.

Responsible for maintaining maintenance expertise at high level including the introduction of new procedures which have withstood the rigors of selected application.

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Senior Engineer, Electrical
H.G. ACRES LTD.
1969-1971

Hydrodynamic Tunnel and High Speed Cavitation Tunnel Design.

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Technical Counselor / Acting Technical Counselor / Electrical Designer
CANADIAN GENERAL ELECTRIC COMPANY LTD.
1968-1969

Responsible for the review of customers specification and the review of major design decisions affecting proposed and contracted equipment.

Responsible for assistance with the planning of design, manufacture, installation, testing and commissioning routines for equipment supply contracts (generators up to 500 MV.A, hydrogen-cooled synchronous condensers up to 110 Mvar, 30 psi). Responsible in the engineering sector for staff management, sales promotion and customer liaison work.

Responsible as Development Engineer for the:

• Development of site testing instrumentation
• Study of magnetic steel losses
• Redesign of the rotor field pole geometry (tapered cross section) to improve the efficiency of hydrogen cooling systems for synchronous condensers.

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Electrical Design Engineer
Hydro Generator Engineering Section
CANADIAN GENERAL ELECTRIC COMPANY LTD.
1963-1967

Responsible for the direction, co-ordination and supervision of the engineering for hydraulic turbine driven generators and synchronous condensers with the work including the review, evaluation and revision of established design concepts and routines and the provision of assistance to customers with system planning.

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Electrical Design Engineer
Motor Engineering Section
CANADIAN ELECTRIC COMPANY LTD.
1956-1963

Revision design of induction motors for performance improvement and CEMA standard qualification (to 4,160 volts, to 700 hp, single and multispeed, drip proof, splash proof, totally enclosed fan cooled, totally enclosed non-ventilated, weather protected).

Study and reduction of excessive stray load loss in type K and KG machines.

Studies and design adaptations for special duty cycle and high-inertia load problems. Responsible for the standards qualification of a new line of special marine motors.

Economic justification of all equipment replacement and major equipment repairs, etc, via the use of reliability indexes and Markov Models, etc.

• Complete electrical analysis of generator designs via Generator Performance computer program backed up by a 30 plus Generator Test/ Calculated database. Program accuracy based on statistical and probability indices developed from Test/ Calculated database.
• Rotor rim stress analysis program.
• Rotor pole stress analysis program.
• Partial Discharge Analyzer (PDA-H and PDA-IV) test data analysis. He developed the test data pattern recognition standards for this analysis, and confirmed said patterns via field dissections of some 50 stator windings.
• Analysis of air gap monitoring data and predict possible root cause of air gap unbalance condition and consequences of not correcting unbalance.

• J.F. Lyles, "Status of Corona Detection Technique and Experience in Ontario Hydro as applied to stator windings of Hydraulic Generators in particular" CEA-Apparatus Section, March 1976.
  
• J.F. Lyles (Co-author), "Planned Maintenance of Hydraulic Generating Units" CEA-Hydraulic Power Section, March 1977.
  
• J.F. Lyles, "Procedures and Experience with rewinding of Hydraulic Generators" CEA-Apparatus Section, October 1977.
  
• J.F. Lyles, (Co-author) "Generator Insulation Diagnostic Testing" IEEE Trans., October 1979, Vol. PAS-98 No. 5.
  
• J.F. Lyles, "Slot Discharge Damage in Hydraulic Generator Windings" International Symposium on Generator Insulation Tests, June 1980.

• J.F. Lyles, "On-line Monitoring of Slot Discharge-Corona" EPRI Hydro Operation and Maintenance Workshops, Atlanta, Georgia, November 1982.
  
• J.F. Lyles (Co-author), "Experience with the CEA Generator Insulation Partial Discharge Test" E/EIC Conference, Chicago, October 1983.

• J.F. Lyles, "Guidelines for Rewinding Hydraulic Generator Stators" Ontario Hydros, June 1975.

• J.F. Lyles, "Electrical Maintenance Procedures" Ontario Hydro HG&T Division, In house document. Author of Rotating Machines Section 1981 Revised Edition.

• J.F. Lyles (Co-author) "Application of Partial Discharge Testing to Hydro Generator Maintenance", Winter Power Meeting. IEEE, Dallas, January/February 1984.
  
• J.F. Lyles "Procedure and Experience with Thermoset Stator Rewinds of Hydraulic Generators" E/EIC Conference, Boston, 1985. (Technical Achievement Award Paper).
  
• J.F. Lyles "An Integrated Approach to Stator Winding Reliability" EPRI-Generator Reliability Workshop, Scottsdale, Arizona, December 1985.
  
• J.F. Lyles "Experience with Partial Discharge Analyzer Testing as Applied to Hydraulic Generator Stator Windings" 53rd Annual International Conference of Doble Clients, Boston, April 1986.
  
• J.F. Lyles "Ontario Hydros Experience regarding PDA test data Correlation as applied to Hydraulic Generator Stator Windings" CEA-EPRI, Ontario Hydro PDA and RF, Monitor Users Workshop, Toronto, Canada, September 22-24 1986.
  
• G. Stone, M. Kurtz, J. Lyles, "Experience with PDA Diagnostic Testing on Hydraulic Generation" IEEE Winter Power Meeting, New York, January/February 1988.
  
• J.F. Lyles "Example of Hydro Generator Refurbishment in Ontario Hydro and the CEGB" Ontario Hydro and J.W.R. Smith C.E.G.B. IEE London, England, March 1988.
  
• G.B. Pllock, J.F. Lyles "Vertical Hydraulic Generators Experience with Dynamic Airgap Monitoring" Ontario Hydro-IEEE Winter Power Meeting, New York, January/February 1992.
  
• J.F. Lyles, "Solving the problems of large Hydro Generators" Hydro Review, August 1990.
  
• T.E. Goodeve, H. Seeding, J.F. Lyles, "Parameters Required to Maximize a Thermoset Hydro Generator Stator Winding Life-Part 1-Design, Manufacture, Installation" Ontario Hydro-IEEE Winter Meeting, New York, January/February 1994.
  
• T.E. Goodeve, H. Sedding, J.F. Lyles, "Parameters Required to Maximize a Thermoset Hydro Generator Stator Winding Life-Part 2-Monitoring, Maintenance" Ontario Hydro-IEEE Winter Meeting, New York, January/February 1994.
  
• G.E. Armstrong Enterprises, Inc., J.F. Lyles, "Achieving 50 Year Life" International Conference on Generator and Motor Partial Discharge Testing, Toronto, Ontario, Canada, April 18/19 1994.
  
• G.E. Armstrong Enterprises, Inc., J.F. Lyles, "Test Requirements to Achieve Consistent PDA Results" CEA Fourth Motor and Generator Partial Discharge Testing Conference, Houston, Texas, May 22-24 1996.
  
• G.E. Armstrong Enterprises, Inc., J.F. Lyles, "2D, 3D and Polar Plot PDA Test Data Analysis" IRIS Rotating Machine Conference, Dallas, Texas, March 10-13 1998.

• Electricorp of New Zealand
  Hydraulic Generator Assessment and Audit of Management and Maintenance Function.
  March-June 1992
• Centrale Pompage de Coo-Trois-Pont (Belgium)
  Generator Condition Assessment and Maintenance Recommendations.
  April 1990
• Snowy Mountain Hydro Electric Authority Cooma-N.S.W. Australia
  Generator Condition Assessment and Audit Cost Benefit Replacement Technique
  Evaluation Covering $400 x 10⁶ - 20 years Replacement Strategy.
  February 1988
• Volta River Authority-Ghana-Akosombo GS and Kpong GS Unit Condition Assessment.
  Recommended Maintenance Strategy.
  September 1986
  April 1990