Chapter 1 Flashcards
Identification (39 cards)
What is a Transformer?
An electrical device that converts voltage from either high voltage to low voltage or vice-versa.
What is transforming voltage called?
Stepping-down or Stepping-up
What will a Transformer only work on?
AC not DC
What is the Source Side of a Transformer called?
Primary Side
What is the Load Side of a Transformer called?
Secondary Side
What is a Transformer essentially?
A machine with no moving parts
What is the most widely used apparatus in the electric utility industry?
Transformer
What two styles of Transformers are there depending on the configuration of the circuit?
Pole-Mounted and Pad-Mounted
How is a Pole-Mounted Transformer attached?
With Hanger Bolts
Where is a Pole-Mounted Transformer’s primary source of feed?
An overhead conductor
Where is a Pad-Mounted Transformer located?
On either a concrete or fiberglass pad on the ground.
Where is a Pad-Mounted Transformer’s primary source of feed?
Underground Conductor
On the primary side, what are the high voltage bushings designated as?
H1 and H2
What side of the Transformer is the H1 Bushing?
Left
What side of the Transformer is the H2 Bushing?
Right
On the Secondary side, what are the low voltage bushings designated as?
X1, X2 and X3
What does the labeling of these bushings based on?
Polarity
Which bushings have more insulation, the primary or secondary side?
Primary Side
Where are the Primary Bushings located on the Transformer?
On the top
Where are the Secondary Bushings located on the Transformer?
On the front
On a Pad-Mounted Transformer which side is the Primary side?
On the left
On a Pad-Mounted Transformer which side is the Secondary side?
On the right
What are the Primary Bushings designated as on a Pad-Mounted Transformer?
H1A-Left
H1B-Right
What are the Secondary Bushings designated as on a Pad-Mounted Transformer?
X1, X2 and X3
