During insulation resistance testing, a transformer should not be in service and should not be connected to any ___.
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For satisfactory operation of two or more transformers conne…
For satisfactory operation of two or more transformers connected in parallel, all transformers should have the same ___.
Considering expansion, it may be more cost-effective to use…
Considering expansion, it may be more cost-effective to use a(n) ___ transformer from the beginning than to have to replace a transformer in the near future.
A(n) ___ transformer is a transformer used to make fine adju…
A(n) ___ transformer is a transformer used to make fine adjustments to the output voltage.
If paint has been worn or scraped off a transformer during s…
If paint has been worn or scraped off a transformer during shipping, it must be repaired before the transformer is used.
A(n) ___ connection is a method of wiring transformers where…
A(n) ___ connection is a method of wiring transformers where both sets of secondary windings are connected in a delta connection, but one is reversed with respect to the other.
A(n) ___ connection is very similar to a T-connection.
A(n) ___ connection is very similar to a T-connection.
When selecting a transformer it is important to consider ___…
When selecting a transformer it is important to consider ___.
For two transformers wired in parallel, if the two voltages…
For two transformers wired in parallel, if the two voltages are out of phase with each other, the induced voltages are such that they cause ___ to circulate between the transformers.
A transformer should be sized so that it is equal to or larg…
A transformer should be sized so that it is equal to or larger than the ___ calculation.