Distance - Transformer Maintenance (1.8 CEUs)

Course Code: ELEC067d

ARE YOU:

Looking for professional development but do not have the time to take off from work?
Looking for refresher course on specific engineering topics and cannot find an intensive course to serve your needs?
This may be your ideal Professional Development course!

Find out more on how the Professional Development Distance Program may work for you - Click here

Duration:

This course is approximately 4-5 weeks in duration.

Learning Method:

The PDDP program is more of a self-guided learning style.
You are required to read the notes and materials given, complete the follow-up assignments on your own, send in your questions prior to your 1 hour webinar meeting (if required) and be involved in live discussion via the internet.
Once you have completed the course, you will receive a certificate of completion

Introduction

This seminar will provide a comprehensive understanding of the various types of transformer maintenance including breakdown maintenance, preventive maintenance, total productive maintenance, condition-based maintenance, pro-active maintenance, and reliability-centered maintenance. All the expected problems in dry and oil-filled transformers will be discussed in detail. All the diagnostics, troubleshooting and maintenance required to ensure adequate operation of transformers will be covered thoroughly. This seminar will focus on maximizing the efficiency, reliability, and longevity of all types of transformers by providing an understanding of all commissioning requirements, repair and refurbishment methods of transformers.

This seminar is a MUST for anyone who is involved in the selection, applications, or maintenance of transformers because it covers how this equipment should be commissioned, the latest maintenance techniques, and provides guidelines and rules that ensure successful operation of this equipment. In addition, this seminar will cover in detail all protective systems, advanced fault detection techniques, critical components, dissolved gas analysis, and all transformer tests and commissioning requirements and procedures.

This seminar will provide the following information for all types of transformers:

Preventive Maintenance, Condition-Based Maintenance, Pro-Active Maintenance, and Reliability-Centered Maintenance
Pre-Commissioning and Commissioning Procedures
Codes and Standards
Common Operational Problems
All Diagnostics and Troubleshooting Techniques
Procedures for Type Tests, Routine Tests and Special Tests
All Repair and Refurbishment Methods
Protective Systems

Who Should Attend

Engineers of all disciplines
Managers
Technicians
Maintenance personnel
Other technical individuals (this seminar is suitable for individuals who do not have an electrical background)

Seminar Outcome

Equipment Diagnostics and Inspection: Learn in detail all the diagnostic techniques and inspections required of critical components of transformers
Equipment Testing: Understand thoroughly all the routine tests, type tests, and special tests required for the various types of transformers
Equipment Maintenance and Troubleshooting: Determine all the maintenance and troubleshooting activities required to minimize transformer downtime and operating cost
Equipment Repair and Refurbishment: Gain a detailed understanding of the various methods used to repair and refurbish transformers
Efficiency, Reliability, and Longevity: Learn the various methods used to maximize the efficiency, reliability, and longevity of transformers
Equipment Sizing: Gain a detailed understanding of all the calculations and sizing techniques used for transformers
Design Features: Understand all the design features that improve the efficiency and reliability of transformers
Equipment Selection: Learn how to select all types of transformers by using the performance characteristics and selection criteria that you will learn in this seminar
Equipment Commissioning: Understand all the commissioning requirements for transformers
Equipment Codes and Standards: Learn all the codes and standards applicable for transformers
Equipment Causes and Modes of Failure: Understand the causes and modes of failure in transformers
System Design: Learn all the requirements for designing different types of transformer systems

Training Methodology

The instructor relies on a highly interactive training method to enhance the learning process. This method ensures that all the delegates gain a complete understanding of all the topics covered. The training environment is highly stimulating, challenging, and effective because the participants will learn by case studies which will allow them to apply the material taught to their own organization.

Special Feature

Each delegate will receive a digital copy of the following materials written by the instructor:

Excerpt of the relevant chapters from the “ELECTRICAL EQUIPMENT HANDBOOK” published by McGraw-Hill in 2003 (600 pages)
Transformer Testing, Maintenance and Commissioning Manual (covering all the tests, maintenance activities, protective systems and all commissioning procedures for all types of transformers - 350 pages)

The PDDP Distance Education program works as follows:

Once you register for this course, you will be sent a login username and password for our online distance website.

You will receive the course notes in hard copy through the online website, you will receive a set of notes each week covering the course material.
A one hour video-conference session will be conducted by your instructor each week (if required). The objective of this session is to assist in solving the assignments, as well as answer student questions that should be sent to instructor early enough prior to the meeting time. In addition with being able to communicate with the instructor, you will also be able to communicate with other students in the same class and watch their questions being answered as well. (A high speed internet connection is strongly recommended for this feature).
Each set of exercises can be completed and submitted by the indicated date and your completed exercise will be marked online and and returned by your instructor.
To gain the most from your course, it is highly recommended that you participate fully in all discussions and exercises. Please remember that each course has a form of quiz or exercise at the end to test your understanding of the material. You will be informed of these dates when you receive the course schedule.

*Course commencement date is subject to instructor availability.

Philip Kiameh

Philip Kiameh, M.A.Sc., B.Eng., D.Eng., P.Eng. (Canada) has been a teacher at University of Toronto and Dalhousie University, Canada for more than 24 years. In addition, Prof Kiameh has taught courses and seminars to more than four thousand working engineers and professionals around the world, specifically Europe and North America. Prof Kiameh has been consistently ranked as "Excellent" or "Very Good" by the delegates who attended his seminars and lectures.

Prof Kiameh wrote 5 books for working engineers from which three have been published by McGraw-Hill, New York. Below is a list of the books authored by Prof Kiameh:

Power Generation Handbook: Gas Turbines, Steam Power Plants, Co-generation, and Combined Cycles, second edition, (800 pages), McGraw-Hill, New York, October 2011.
Electrical Equipment Handbook (600 pages), McGraw-Hill, New York, March 2003.
Power Plant Equipment Operation and Maintenance Guide (800 pages), McGraw-Hill, New York, January 2012.
Industrial Instrumentation and Modern Control Systems (400 pages), Custom Publishing, University of Toronto, University of Toronto Custom Publishing (1999).
Industrial Equipment (600 pages), Custom Publishing, University of Toronto, University of Toronto, University of Toronto Custom Publishing (1999).

Prof. Kiameh has received the following awards:

The first "Excellence in Teaching" award offered by the Professional Development Center at University of Toronto (May, 1996).
The "Excellence in Teaching Award" in April 2007 offered by TUV Akademie (TUV Akademie is one of the largest Professional Development centre in world, it is based in Germany and the United Arab Emirates, and provides engineering training to engineers and managers across Europe and the Middle East).
Awarded graduation “With Distinction” from Dalhousie University when completed Bachelor of Engineering degree (1983).
Entrance Scholarship to University of Ottawa (1984).
Natural Science and Engineering Research Counsel (NSERC) scholarship towards graduate studies – Master of Applied Science in Engineering (1984 – 1985).

Prof. Kiameh performed research on power generation equipment with Atomic Energy of Canada Limited at their Chalk River and Whiteshell Nuclear Research Laboratories. He also has more than 30 years of practical engineering experience with Ontario Power Generation (formerly, Ontario Hydro - the largest electric utility in North America).

While working at Ontario Hydro, Prof. Kiameh acted as a Training Manager, Engineering Supervisor, System Responsible Engineer and Design Engineer. During the period of time that Prof Kiameh worked as a Field Engineer and Design Engineer, he was responsible for the operation, maintenance, diagnostics, and testing of gas turbines, steam turbines, generators, motors, transformers, inverters, valves, pumps, compressors, instrumentation and control systems. Further, his responsibilities included designing, engineering, diagnosing equipment problems and recommending solutions to repair deficiencies and improve system performance, supervising engineers, setting up preventive maintenance programs, writing Operating and Design Manuals, and commissioning new equipment.

Later, Prof Kiameh worked as the manager of a section dedicated to providing training for the staff at the power stations. The training provided by Prof Kiameh covered in detail the various equipment and systems used in power stations.

Professor Philip Kiameh was awarded his Bachelor of Engineering Degree "with distinction" from Dalhousie University, Halifax, Nova Scotia, Canada. He also received a Master of Applied Science in Engineering (M.A.Sc.) from the University of Ottawa, Canada. He is also a member of the Association of Professional Engineers in the province of Ontario, Canada.

Types and Construction of Transformers, Autotransformers, Transformer’s Characteristics, Transformer Windings, Transpositions, Impulse Strength, Transformer Components, Transformer Oil Testing, Dissolved Gas Analysis, Gas Detector Relays

Transformers, types and construction of transformers, impedance transformation through a transformer, analysis of circuits containing transformers, equivalent circuit in a transformer
Voltage regulation, transformer efficiency, transformer taps and voltage regulators, autotransformers, three-phase transformers, transformer ratings, inrush current, instrument transformers
Transformers’ characteristics, phase relationships, Star/Star connected transformer, basic materials, dielectrics, copper, iron, insulation, leakage reactance, core construction
Transformer winding configurations, basic transformer design concepts, transformer connections, wye winding configurations, phase shifts using clock notation, delta winding configurations, auto-transformer winding configurations, zigzag (interconnected star) winding configurations, combination of various winding configurations
Transformer windings, transpositions, continuously-transposed strip, impulse strength, thermal considerations, performance under short-circuit
Transformer components and maintenance, classification of transformers, dry transformers, oil-immersed transformers
Components of a power transformer, core, windings, nitrogen demand system, conservative tank with air cell, current transformers, bushings, insulation
Tap changers, Tapchanger mechanisms, single-compartment tapchangers, in-tank tapchangers, off-circuit tapchangers, tanks, connections and auxiliary plant
Oil preservation equipment, conservators, bushing connections, SF6 connections, cable box connections, tank-mounted coolers, separate cooler banks, water cooling, cooler control, layout of transformer compounds, galvanic anode, impressed current cathodic protection system
Types and features of insulation, reasons for deterioration, forces, cause of transformer failure
Transformer oil, testing transformer oil, causes of deterioration, neutralization number test, interfacial tension test, Myers index number, transformer oil classification system, methods of dealing with bad oil, gas-in-oil
Dissolved Gas Analysis, advanced detection of incipient fault conditions leading to all failure modes, oil collection, gas extraction, standards and guidelines governing dissolved gas analysis, gases in oil, transformer gas separation by gas chromatography, gas solubility coefficients in oil, partitioning, diagnosis, new guidelines for interpretation of Dissolved Gas Analysis in oil-filled transformers, basic gas ratio, indication/fault gas, fault types
Gas relay and collection systems, relief devices, interconnection with the grid

Transformer Component Selection, Tap Changers, Transformer Quality Assurance, Transformer Best Maintenance Practices, Expected Problems in Transformers, Core/Winding Movement Tests, Wet Insulation Tests, Condition Monitoring of Bushings, Furan Analysis, Transformer Routine Tests

Transformer Component Selection, tappings and tapchangers, tapchanger mechanisms
Transformer tanks, connections and auxiliary plant, oil preservation equipment – conservators, bushing connections, SF6 connections, cable box connections, tank-mounted coolers, separate cooler banks, water cooling, cooler control
Layout of transformer compounds
Transformer Quality Assurance, transformer testing during manufacture, transformer processing and dry-out, Final testing
Transformer Best Maintenance Practices, Condition Monitoring of Transformers
Maintenance Practices: breakdown maintenance, preventive maintenance, total productive maintenance, condition-based maintenance, pro-active maintenance, reliability-centered of transformers
Expected Problems in Transformers: bad joints, wet insulation, winding insulation deterioration, bushing insulation deterioration, deterioration of oil quality, blocked cooling system, partial discharge and over heating
Transformer Failure Statistics
Core/Winding Movement Tests: magnetic balance test, excitation current measurement, short circuit impedance measurement, frequency response analysis
Winding resistance measurement to detect bad joints
Wet Insulation Tests: oil ppm, recovery voltage measurement, measurement of relative saturation, winding capacitance tanδ measurement
Condition Monitoring of Bushings: construction of bushings, grading of insulation, C1 and C2 tan delta measurement
Dissolved Gas Analysis: sampling, origin of faults, faults gases, type of material involved and type of faults
Furan Analysis: furan analysis in oil, degree of polymerization
Transformer Tests, Measurements, Calculations, and Evaluation Criteria
Transformer Routine Tests, Type Tests, and Special Tests
Routine Tests: measurement of winding resistance, measurement of voltage ratio and check of polarity and phase displacement, measurement of short-circuit impedance and load loss, measurement of no-load loss and current, dielectric tests, separate source AC withstand voltage test, induced ac voltage test, partial discharge measurement, tests on on-load tap-changers, open-circuit and short-circuit tests

Transformer Type Tests, Special Tests, Harmonics, Pre-Commissioning Tests, Commissioning of Transformers, Transformer Protection

Type Tests: temperature-rise test, lightning-impulse tests
Special Tests: switching impulse voltage test, measurement of dissipation factor (tanδ) and capacitance, measurement of zero sequence impedance(s), Determination of sound level, measurement of harmonics of the no-load current, measurement of insulation resistance, short-circuit withstand test, condensation test, condensation and humidity penetration test, low temperature test, heating-shock test at -5°C, heating-shock test at -25°C
Commissioning of Power Transformers: recording of salient parameters, pre-commissioning checks, general checks, terminations, earthing, winding temperature indicator and oil temperature indicator, Buchholtz relays, general inspection, functional checks
Pre-Commissioning Tests: insulation resistance test, dielectric absorption and polarization index tests, two voltage test (step voltage test), measurement of tan delta, transformer ratio test, short circuit current measurement, measurement of magnetizing current, test for magnetic balance, phasor group test, test for transformer oil, sampling of oil- general precautions, relay tests
Commissioning of Transformers
Transformer Protection, transformer protection overview, transformer failures
Differential characteristic, inrush inhibit during transformer energization, sensitive ground fault protection to limit transformer damage, overflux protection
Winding hot-spot temperature protection
Application capabilities, phase shift transformers, split-phase autotransformer
Typical applications of transformer protection relays

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