In-person instruction

Transformer startup and maintenance

Learning objective

The goal of this five-day workshop is to have the student become familiar with transformer styles, general startup procedures and necessary maintenance procedures.

Course abstract

Using classroom and training laboratory exercises, attendees learn how to perform commissioning and maintenance tests on unit substation and power transformers. Students will become familiar with transformer basics such as standard operating principles and standardized terminal markings. Construction characteristics, inspections and tests of dry-type and liquid-immersed transformers will be discussed.

Target audience

Experienced field service engineers or technicians whose job responsibilities will include commissioning and service of all types of transformers.

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Course options

In-person training

5 days, 4.0 CEU
Location: Pittsburgh, PA or Houston, TX
Cost $1995 USD

Course topics

Insulation resistance measurements
Power-factor of insulation measurements using Doble M4000; transformer winding, bulk bushings, condenser bushings
Turns ratio tests
Inspection of gas pressure, oil temperature, winding temperature, liquid level, primary and secondary pressurerelief devices, cooling fans, oil boosters
Interpreting gas-in-oil analysis reports
Laboratory sessions:
- Sampling of insulating fluids
- Sampling of gas expansion space
- Doble M4000 exercises
- Testing a fault-pressure relay
- Troubleshooting fan control

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