Power transformers – Definition and operational constraints (A4212)
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
 
| Duration | 
|---|
| 4 Days | 
| Who should attend? | 
|---|
| Engineers and operators | 
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.
Power transformers – Definition and operational constraints (A4212)
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
 
| Duration | 
|---|
| 4 Days | 
| Who should attend? | 
|---|
| Engineers and operators | 
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.