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Check course availability
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Benefits include:
Comprehensive course documentation
Certificate of attendance
Learning from an internationally & locally recognised expert
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Learning outcomes:
Learn about the transformer insulation system, its inherent problems and their affect on transformer life expectancy;
Understand the benefit of annual oil testing and the importance of high quality of oil sampling;
Enable the managers to develop an effective testing program;
Learn about various oil tests and how to interpret their results to make decisions regarding transformer serviceability and which corrective treatment to apply.
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Day 1
Insulation system
Insulation aging
Causes of oil aging
Conditions that destroy solid insulation
Insulation and transformer life expectancy
Day 2
Periodic testing of transformer oil
Benefits of annual testing
Essential oil tests
Quality of oil sampling
Developing a testing program
Interpreting test data
Oil classification system
What tests tell us and not tell us
Evaluating oil test results
Evaluating moisture content
Interpreting dissolved gas analysis results
Day 3
Transformer life extension
Dehydrating transformers
Reclaiming oil
Confronting the sludge problem
Workshop
New transformer oil specification
Practical guidelines for transformer serviceability
Case study illustrating basic transformer faults
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Who should attend?
This course is suggested for all technical personnel involved with operations and/or maintenance of power and
distribution transformers; in particular for all engineers, supervisors and managers who work in transmission,
distribution, maintenance and operation of utilities, industrial and commercial distribution.
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Course Synopsis:
Oil deteriorates with time and the aging process may be accelerated by a number
of factors. Continuing to operate the transformer after the properties of oil
have changed enough that the oil can no longer satisfactorily perform its intended
functions, the transformer's life expectancy is dramatically reduced. The oil itself can be used as a
diagnostic tool to monitor the condition of transformer interior and allow timely
corrective action to extend transformer's life.
The management of transformer oil requires understanding of transformer insulation system and
its inherent problems, what kind of testing is available to monitor the state of oil and paper
and how to interpret the test results in order to make a decision for appropriate corrective action.
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Course Trainer:
Aleksandar Milin
BSc (Hon) Electrical Engineer
Member of IET (UK) and IEEE(US)
Power Engineering Consultant
Managing Director - MATREX
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