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While conducting open circuit test and short circuit test on a transformer, status of low-voltage and high-voltage windings will be such that in
  • a)
    OC test – h.v. open, SC test-l.v. short-circuited
  • b)
    OC test – l.v. open, SC test-h.v. short-circuited
  • c)
    OC test – l.v. open, SC test-l.v. short-circuited
  • d)
    OC test – h.v. open, SC test-h.v. short-circuited
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
While conducting open circuit test and short circuit test on a transfo...
In the open circuit test (OC test), the low-voltage winding will be connected to the rated voltage source, while the high-voltage winding will be left open (not connected to any load). This is done to measure the no-load current and losses in the transformer.

In the short circuit test (SC test), the low-voltage winding will be shorted, typically with a low-resistance ammeter, while the high-voltage winding will be connected to a rated voltage source. This is done to measure the short circuit current and losses in the transformer.
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Community Answer
While conducting open circuit test and short circuit test on a transfo...
  • During the open circuit (OC) test and short circuit (SC) test conducted on a transformer, the status of the low-voltage (LV) and high-voltage (HV) windings will be as follows:
  • A: OC test - HV open, SC test - LV short-circuited.
  • In the OC test, the high-voltage winding of the transformer is left open (disconnected), while the low-voltage winding is energized with a reduced voltage. The purpose of the OC test is to measure the core losses and magnetizing current of the transformer.
  • In the SC test, the low-voltage winding is short-circuited, creating a low-impedance circuit, while the high-voltage winding is energized with rated voltage or reduced voltage. The SC test is performed to determine the copper losses and to evaluate the impedance characteristics of the transformer.
  • Therefore, the correct answer is: A: OC test - HV open, SC test - LV short-circuited.
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While conducting open circuit test and short circuit test on a transformer, status of low-voltage and high-voltage windings will be such that ina)OC test – h.v. open, SC test-l.v. short-circuitedb)OC test – l.v. open, SC test-h.v. short-circuitedc)OC test – l.v. open, SC test-l.v. short-circuitedd)OC test – h.v. open, SC test-h.v. short-circuitedCorrect answer is option 'A'. Can you explain this answer?
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While conducting open circuit test and short circuit test on a transformer, status of low-voltage and high-voltage windings will be such that ina)OC test – h.v. open, SC test-l.v. short-circuitedb)OC test – l.v. open, SC test-h.v. short-circuitedc)OC test – l.v. open, SC test-l.v. short-circuitedd)OC test – h.v. open, SC test-h.v. short-circuitedCorrect answer is option 'A'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about While conducting open circuit test and short circuit test on a transformer, status of low-voltage and high-voltage windings will be such that ina)OC test – h.v. open, SC test-l.v. short-circuitedb)OC test – l.v. open, SC test-h.v. short-circuitedc)OC test – l.v. open, SC test-l.v. short-circuitedd)OC test – h.v. open, SC test-h.v. short-circuitedCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for While conducting open circuit test and short circuit test on a transformer, status of low-voltage and high-voltage windings will be such that ina)OC test – h.v. open, SC test-l.v. short-circuitedb)OC test – l.v. open, SC test-h.v. short-circuitedc)OC test – l.v. open, SC test-l.v. short-circuitedd)OC test – h.v. open, SC test-h.v. short-circuitedCorrect answer is option 'A'. Can you explain this answer?.
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