HV/MV Training :: GE Grid Solutions

Services

Technical Training

Home > Services > Technical Training > HV/MV Training > Modular Training Courses


	Training Videos

	Modular Training Courses

	Online Training Courses

	Catalogue Formations (Français)

	HV/MV Equipment

	Asset Lifecycle Management


	Brochure

Power transformers – Operation and maintenance (C4242)

Duration

1-5 days (depending on location)

Who should attend?

Technicians involved in the operation and maintenance of High Voltage substations, engineers working in HV substations

What will I learn from this course?

Understand power transformer technology
Ensure the safe and correct operation, maintenance and testing of the transformer
Assess the condition/behaviour of equipment and maintenance requirements
Identify critical areas and interpret test results

Topics

Technical considerations in the operation of a power transformer

Theoretical model and attributes – CFVX, losses, voltage control
Voltage impedance and regulation

Overvoltage and overloading
Capability
Who operates a transformer?

Accessories

Tank types, conservator types and dehydrating breathers Temperature indicators (oil /winding)
Cooling modes

Bushings
OCTC
Other accessories

Indicators, protection

Indicators and relays
Main tank and OLTC pressure devices

Other protective devices (differential protection, restricted earth, tank protection….)

Manufacturing process

Transformer assembly process in factory

Laboratory tests

Transportation, erection and commissioning

Periodical controls, tests and maintenance

Maintenance plans and inspection
Oil quality tests
DGA

Maintenance strategy and tasks
- TBM, CBM, RCM
- Fault levels, leaks, oil quality, bushings, tap-changer

Analysis of tests and controls

Protections and troubleshooting

Transformer failure/modes detection and risk mitigation

Note: practical work may differ, depending on equipment and materials available on site

Learning path

Prerequisites	C4242	Next step
A4201 Basic knowledge in electricity and mechanics Electrical qualification	60% Practical 40% theoretical

This training can be provided on site at your own convenience. Practice in operational conditions.

About GE’s Grid Solutions

Grid Solutions, a GE Renewable Energy business, serves customers globally with over 13,000 employees. We provide power utilities and industries worldwide with equipment, systems and services to bring power reliably and efficiently from the point of generation to end power consumers. Grid Solutions is focused on addressing the challenges of the energy transition by enabling the safe and reliable connection of renewable and distributed energy resources to the grid. We electrify the world with advanced grid technologies and accelerate the energy transition.