Page 129 - intelligent encyclopedia ( equipment issue 1 )

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TRANSFORMERS

Transformers

WHAT

IS A

TRANSFOER?

A transformer is an electri- nated steel core. When volt- ent voltage value at constant
cal device which converts al- age is introduced into one frequency, it has no moving
ternating current from one coil (called the primary), it parts and is a completely
voltage to another. It can be magnetizes the iron core. As static solid state device which
designed to increase or de- a result, a voltage is induced insures, under normal oper-
crease voltages and works into the secondary or output ating conditions, a long and
on the magnetic induction coil. The change of voltage trouble-free life, as used to
principle. A transformer (voltage ratio) between the transmit the electrical power
has no moving parts and is a primary and secondary de- form the generation places
completely static, solid state pends on the turn’s ratio of to consumption places.
device, which insures under the two coils.
normal operating condi- it’s consider electromagnetic
tions, a long and trouble-free machine, used to convert the
life. A transformer consists alternating power with spe-
of two or more coils of insu- FLÀF YROWDJH WR DOWHUQDWLQJ
lated wire wound on a lami- power too but with differ-

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