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Theoretical Analysis of Transformer Core Grounding Current

  • 2013-09-18
  • 200.51KB
  • Points it Requires : 2

  This paper takes a SFPS28-120000/220 transformer as an example. By analyzing its iron yoke clamping structure, a method for calculating the multi-point grounding current when the iron core hits the clamp is proposed. The multi-point grounding current when the fault grounding point is located at different positions is calculated, and its change law is analyzed, which provides a theoretical basis for further diagnosis and analysis of iron core multi-point grounding faults.

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