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Electrical Codes, Standards, Recommended Practices and Regulations
book

Electrical Codes, Standards, Recommended Practices and Regulations

by Robert J. Alonzo
January 2010
Intermediate to advanced content levelIntermediate to advanced
512 pages
18h 35m
English
William Andrew
Content preview from Electrical Codes, Standards, Recommended Practices and Regulations
materials. The core material selection is based on the application. The magnetic flux linking
both windings produces mutual inductance between each transformer winding and leakage or
self inductance at each winding.
Transformer terminal voltages (v
1
and v
2
) are represented by the following equations:
v
1
¼ r
1
i
1
þ L
11
di
1
dt
þ L
12
di
2
dt
(Eq. 11.4 [1])
v
2
¼ r
2
i
2
þ L
22
di
2
dt
þ L
12
di
1
d
t
(Eq. 11.5 [2])
Where:
v
1
¼ primary winding voltage
v
2
¼ secondary winding voltage
r
1
¼ primary winding resistance
r
2
¼ secondary winding resistance
L
11
and L
22
¼ primary and secondary windings self-inductances
L
12
¼ primary and secondary windings mutual inductance
i
1
and i
2
¼ primary and secondary
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Publisher Resources

ISBN: 9780815520450