XFMRS week 1 Monday

What does the primary side of a transformer connect to?

pg.6

• Source

• High voltage

• Load

• Low Voltage

A transformer can only be connected to this type of electrical system.

pg.6

• DC

• Direct Current

• Alternating Current

• Primary

How is a pole mounted transformer attached to a pole?

pg.7

• Hangs from the conductor

• On a fiberglass pad

• Machine bolts

• On a concrete pad

The voltage on the primary side of a step up transformer is _____ than the secondary side.

pg.6

• Higher

• Lower

• Same

• 2 times higher

The high voltage bushings on an overhead transformer are labeled as ______.

pg.8

• X1, X2

• H1, H2

• H1A, H1B

• X3, X2, X1

When facing a padmounted transformer, which side is the low voltage side?

pg.9

• Right

• Left

• Below the bayonet fuse

• Same side as H1A and H1B bushings

How many watts will an average size home draw at peak load?

pg.10

• 15,000

• Depends on the kva of the transformer

• 3,000

• 6,000

What does KVA stand for?

pg.10

• Max amps

• Max volts

• kilovolt-amperes

• Megavolt-amperes

What is the KVA rating of three 25kva transformers banked together?

pg.10

• 25kva

• 25,000 watts

• 75kva

• 50kva

What does CSP stand for?

pg.12

• Completely self protected

• Can't self protect

• Common secondary primary

• Commonly self protected