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Transformer ___ protection is required to protect the primar…

Transformer ___ protection is required to protect the primary windings from short circuits and overloads and the secondary windings from overloads.

Published August 27, 2024
Categorized as Uncategorized

A(n) ___ is a transformer that has all or part of the windin…

A(n) ___ is a transformer that has all or part of the windings shared by the primary and secondary.

Published August 27, 2024
Categorized as Uncategorized

Transformers and transformer vaults shall be installed in lo…

Transformers and transformer vaults shall be installed in locations that are ___ to qualified personnel.

Published August 27, 2024
Categorized as Uncategorized

The turns ratio is the ratio of the 10 min reading to the 1…

The turns ratio is the ratio of the 10 min reading to the 1 min reading taken on a dielectric absorption test.

Published August 27, 2024
Categorized as Uncategorized

In general, the transformer enclosure for transformers insta…

In general, the transformer enclosure for transformers installed outdoors shall be weatherproof and constructed so that exposure to weather does not interfere with transformer operation.

Published August 27, 2024
Categorized as Uncategorized

It is unnecessary to inspect and test a transformer before i…

It is unnecessary to inspect and test a transformer before installation and before it is energized for the first time.

Published August 27, 2024
Categorized as Uncategorized

A hipot tester is a test instrument that can be used to eval…

A hipot tester is a test instrument that can be used to evaluate insulation resistance by measuring the pressure in the transformer tank.

Published August 27, 2024
Categorized as Uncategorized

Noting the appearance, smell, and sound of a transformer is…

Noting the appearance, smell, and sound of a transformer is vital to a good inspection.

Published August 27, 2024
Categorized as Uncategorized

When replacing a 25 Hz transformer, two transformers with a(…

When replacing a 25 Hz transformer, two transformers with a(n) ___ rating matching the 25 Hz transformer can be connected in series.

Published August 27, 2024
Categorized as Uncategorized

Because industrial loads may cause power quality problems, i…

Because industrial loads may cause power quality problems, industrial facilities may want to isolate their ___ loads from their industrial loads.

Published August 27, 2024
Categorized as Uncategorized

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