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Power transformers – Definition and operational constraints (A4212)

Duration

4 Days

Who should attend?

Engineers and operators

What will I learn from this course?

Define power transformers
Operate and optimize power transformers

Topics

Technical features

Reminder
Operation, losses (iron, copper and other losses)
Technology and manufacturing

Parallel operation
Operational constraints, perturbations (overvoltage, overcurrent…) harmonics, neutral plan

Components

Bushings
Safety valve
Current transformers
Oil level

Temperature monitoring
Valves
Tap changers, control mechanism
Auxiliary cubicle

Cooling

Cooling systems

Voltage setting

On- or off-load, voltage and coupling changes

Protection

Tank earth protection, differential protection, Buchhols relay, PRV, and other protection systems

Sizing and testing of transformers

Parameters for sizing of transformers

Supplementary parameters for special transformers
Testing

Maintenance

Oil sampling and analysis
Interpretation of the results
Oil processing

Visual inspections, information on the nameplate
Support to diagnosis

Learning path

Prerequisites	A4212	Next step
Fundamentals of electricity mechanics and electro-technics	80% theoretical 20% Case study	C4532

This training can be provided on site at your own convenience.

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.