Introduction to instrument transformers (A5312)

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

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

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
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.

Introduction to instrument transformers (A5312)

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

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

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
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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