Transformers in Parallel

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Transformers in Parallel

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5 Terms

1
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When is it required to set up transformers in Parallel

  • When the Load exceeds the rating of one transformer

2
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if the primary windings are connected to supply busbars and the secondary windings are connected to load busbars. Are they connected in series or parallel

  • Parallel

3
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Does the reliability of the load increase or decrease when the using transformers in Parallel vs a Single Larger Unit

  • The reliability to the load is increased with parallel operation

4
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Is cost associated with maintaining

spares more or less when two

transformers are connected in parallel

  • The Cost is less

5
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What are the 4 requirements when using transformers in Parallel

  • Must have Identical Polarity

  • Must have Identical Voltage

  • Must have Identical Frequency

  • Must have Identical Impedance