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Recent content by 082399

  1. 082399

    Transformer clearance from Oil containment

    Good day Hi, Would like to hear some advice from oil containment experts, Is there any specific rule of thumb, regulations or standard clearances from Transformer radiator to the inner wall of Oil containment, I would like to share the outline drawing. Just to ensure that this installation is...
  2. 082399

    230-34.5kv 150 MVA with On-Tank OLTC

    Does anyone here want to share his thoughts or experiences of using a FR3 Less-flammable fluid on Large capacity/rated Power Transformers? (We have existing TR installations at Louisiana site with FR3 oils but Transformer capacities are less than 50 MVA's). We would like purchase a Transformer...
  3. 082399

    Secondary Bushing CT resistance of 150 MVA Transformer

    Hi, A client in a Petrochemical plant specified a requirement of 150MVA Transformer with a primary BCT rated at 3000:5, 2000:5. According to the specification, it is mentioned that "The secondary resistance of the CT shall not exceed 0.0025 ohms per turn". The transformer vendor however offers...

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