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Introduction to instrument transformers (A5312)
Duration
1 day
Who should attend?
Consulting and protection engineers and technicians, project managers and field design
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What will I learn from this course?
- Understand instrument transformers, their technology and environment
- Optimize their integration in the HV and MV networks
- Specify and select the appropriate solutions in instrument transformers
Topics
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Different types of instrument transformers
- Current Transformers – CT
- Voltage Transformers – VT
- Combined Metering Units – CMU
- Capacitor Voltage Transformer – CVT
Insulation techniques
- Paper-oil insulation
- Resin insulation
- SF6 insulation
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Design parameters
- Current transformer: nominal ratio, short circuit current, accuracy class and burden, transient performance
- Inductive type voltage transformer: nominal ratio, accuracy class and burden, thermal power
- Capacitor voltage transformer: nominal ratio, accuracy class and burden, thermal power
- Special site & environmental conditions
- Commissioning and maintenance
- Instructions for erection & commissioning, recommendations for maintenance, accessories
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Learning path
| Prerequisites |
A5312 |
Next step |
| Electro-technical fundamentals and grid protection |
20% Case study-80% Theoretical |
SCS021-C5342 |
This training can be provided on site at your own convenience.
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