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MMLU-Pro / 11310 / A 10kVA distribution transformer has a 240V secondary winding. The equivalent…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A 10kVA distribution transformer has a 240V secondary winding. The equivalent internal resistance of this transformer, referred to that winding, is 0.048\Omega. The core lossof this transformer is 75W. At whatkVAload will this transformeroperate at maximum efficiency?

category

engineering

options

  1. 110% of rated load
  2. 90% of rated load
  3. 100% of rated load
  4. 95% of rated load
  5. 50% of rated load
  6. 105% of rated load
  7. 85% of rated load
  8. 70% of rated load
  9. 60% of rated load
  10. 80% of rated load

src

stemez-ElectricalMachines

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Source and history

upstream_id / Original problem ID
11310
task_id
2a7efe0d-80a0-5e61-b029-6b20618c5abf
task_key
default--test--11310
task_revision_id
1
config / split
default / test

Official source

initial import