Transformers
OBJECTIVES
TERMINAL OBJECTIVE
1.0
Given the type of a transformer, DESCRIBE the operating characteristics and
applications for that transformer type.
ENABLING OBJECTIVES
1.1
DEFINE the following terms as they pertain to transformers:
a.
Mutual induction
b.
Turns ratio
c.
Impedance ratio
d.
Efficiency
1.2
DESCRIBE the differences between a wye-connected and delta-connected transformer.
1.3
Given the type of connection and turns ratios for the primary and secondary of a
transformer, CALCULATE voltage, current, and power for each of the following types:
a.
D - D
b.
D - Y
c.
Y - D
d.
Y - Y
1.4
STATE the applications of each of the following types of transformers:
a.
Distribution
b.
Power
c.
Control
d.
Auto
e.
Isolation
f.
Instrument potential
g.
Instrument current
Rev. 0
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