Transformer Protection
Transformer Differential Protection

Differential protection for transformers (starting from approx. 1 MVA), combined with time overcurrent protection, can be investigated using measurement techniques in normal operation and fault occurrences in various winding circuit configurations (star, delta), and in various vector groups and as a function of star-point treatment (floating, direct or earthed using earth coils).

Note: This Training System is a Basic Equipment Set.

Supplementary Equipment Set:
Training Concepts:
  • Detection and disconnection of transformer for internal faults
  • Selection of tripping characteristics with differential currents taken into account
  • Detection of peak inrush currents (RUSH) without disconnection
  • Faulty tripping due to incorrectly dimensioned transformers
Product: Transformer Protection
Product Code: ETP 1

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