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Predictive and preventive maintenance minimizes forced outages and lost production. This course discusses the predictive and preventive maintenance tests that enable you to avoid disastrous failure of your electrical system.

Course Outline

After participating in this seminar, you will be able to:
Distinguish among tests required for inspecting, verifying, and validating electrical systems
Specify tests that will enhance your predictive and preventive maintenance program
Conduct field tests for electrical distribution systems, generator and motors, transformers, switchgear, cables, instrumentation and controls
Develop additional skills in operation of electrical systems
Apply the newly-gained knowledge to make your operation of electrical distribution system as much trouble free as possible
Determine what to do when power quality issues arise


The operation of any electrical system depends on the proper and integrated functioning of its components such as transformers, switchgear, cables and power protection, UPS and battery systems. All these subsystems and components are as much subject to failure as of any other complex system. Therefore you need to keep testing the components as a part of your preventive maintenance program. You require the knowledge of testing principles and procedures to be able to specify and conduct them. Predictive and preventive maintenance minimizes forced outages and lost production. This course discusses the predictive and preventive maintenance tests that enable you to avoid disastrous failure of your electrical system.

To help participants understand and establish an effective predictive and preventive maintenance and testing program for their electrical system, within the project schedule and cost estimates.

Who Should Attend

Maintenance, electrical and testing engineers, consulting engineers, project managers, project engineers, plant managers, operating and electrical maintenance personnel who are responsible for testing of all the major components of an electrical system such as motors, generators, switchgear, protection and control systems, cables, UPS and battery systems. 

Special feature: The course includes the text book Electrical Power Equipment Maintenance and Testing by Paul Gill, CRC press.

Instructor: Ajit Bapat

Program Outline

Day I

Registration and Coffee

Welcome, Introduction, Workshop Preview, Learning Outcomes and the Assessment Method

Maintenance Strategies
Dielectric theory
Insulating materials
Failure modes
Electrical Preventive maintenance programs
Principles and procedures, checklists and documentation
Developing a test program, procedures and schedules, allocation of manpower  
Economic models, Justification and Execution
Inspection, verification, validation and testing
Documentation and record keeping

Testing and Test Methods
DC Voltage testing
AC Voltage Testing techniques
Power factor and dissipation factor tests
Safety rules and protection against electric shock

Insulating Oils, Fluids and gases
Deterioration of insulating oil
Oil analysis and interpretation of test values

Maintenance Testing
Outline of typical tests and expected results
Test reports, their interpretation
Required action for correction and re-testing
Thermographic inspection of electrical system
Transformer oil sampling and testing

Inspection and Testing
Test results and their interpretation and verification
Checklists for each equipments and system
Conducting testing


Day II

Electrical Distribution Equipment Testing
Insulation resistance measurement test, D.C or A.C. high voltage testing, power factor or dielectric loss test, and circuit breaker contact resistance test 
Power, reactive power, apparent power, and power factor
Compensation of reactive power, equipment and components
Partial discharge and corona
Grounding and bonding
Switchgear and circuit breakers
Testing UPS and battery system
Testing motors and generators     
Surge comparison testing

Testing Cables and Accessories
Insulation resistance measurement test, D.C. over-voltage testing, voltage versus leakage current, power factor test, and cable fault locating

Transformer Testing
Polarity, terminal markings and connections
Phase rotation and polarity testing
Dry type transformers: inspection and acceptance tests
Liquid type transformer: inspection and acceptance tests
Routine testing: A.C. high voltage testing, TTR test, polarity test, induced potential test, polarization recovery voltage test, and D.C. winding resistance tests

Testing Protection Systems
Testing instrument transformers and protective relays
Guidelines for testing and calibrating relays, over-current and over-voltage protection

Lightning Protection
Testing and commissioning of lightning arrestors and over-voltage arrestors

Electrical System Measurement
Potential transformers and voltage converters
Current transformers and current converters
Power measurement devices and recorders
Instrumentation and controls: SCADA, MMI, PLC, RTU
Remote monitoring of electrical system, logging and reporting

Recognizing Power Quality Issues
Mitigating PQ effects and optimizing energy use
Stand by diesel generators and transfer systems

Selling Management on the need for Preventive and Predictive Maintenance Program

Questions and Answers and Feedback to Participants on Achievement of Learning Outcomes

Concluding Remarks and Final Adjournment

Daily Schedule
8:00    Registration and Coffee (Day I only)
8:30    Session begins
12:00  Lunch
4:30    Adjournment

There will be a forty-minute lunch break each day in addition to a refreshment and networking break during each morning and afternoon session.

Ajit Bapat
Ajit Bapat is well known in the electrical distribution field having served over 40 years in the industry. His expertise in the art and science of ground fault protection is acknowledged in North America. He holds Master's Degrees in Business Administration and Electrical Engineering, specializing in power systems and power system protection, and has particular interest in ground fault protection, digital metering systems, microprocessor based integrated systems for protection, metering, monitoring and control of power distribution systems. He is a member of Professional Engineers Ontario and a  senior life member of the IEEE.
Prerequisites & Certificates

Certificates offered

1.2 CEU / 12 PDH

Cancellation Policy
To withdraw from a course, you must send a request, in writing, with the official receipt to our office. Fifteen or more business days in advance: full refund less $50.00 administration charge. Five to fifteen business days in advance: non-refundable credit of equal value for any future EPIC seminar within one year. Credits are transferable within your organization. In case of an unexpected event occurring after this time, you may send someone else to take your place without any additional cost.
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Here are some reviews of the training vendor.
The course was very well presented and the course instructor was absolutely amazing.
Reviewed by 2013
Our instructor, Stephen Lamming, was outstanding and a true expert in his field. He was able to complement the technical air monitoring information with practical real life examples which was highly beneficial. He is an excellent communicator and was highly interactive with the course attendees. This course was recommended to me because Stephen Lamming does an outstanding job. I was very impressed with this course and have subsequently recommended it to my colleagues.
Reviewed by 2012
Would have liked more interactive problem solving.
Reviewed by 2011

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