Electrical and Instrumentation Engineering: Unit I: Transformer
Introduction of Transformer
A transformer is a static electrical device, which does not having any moving parts. It transfers electric power from one circuit to another circuit without changing the frequency.
INTRODUCTION
A
transformer is a static electrical device, which does not having any moving
parts. It transfers electric power from one circuit to another circuit without
changing the frequency. It can raise or lower the voltage in a circuit with
corresponding decrease or increase in current. It works on the principle of
mutual induction, between two circuits linked by a common magnetic flux. In
other words, it consist of two inductive coils which are electrically separated
but magnetically linked (i.e.,) two windings are insulated from each other and
wound on a common core made up of magnetic material, with less reluctance,
which is shown in Figure 1.1.
If
one coil is connected to a source of alternating voltage, an alternating flux
is setup in the laminated that winding is called primary winding. The flux
created in the core will cuts the secondary winding and primary as well. It
produces mutually induced emf (according to Faraday's law).
In
brief, transformer is a device that:
i.
Transfer electric power from one circuit to another.
ii.
It does so without a change of frequency.
iii.
It accomplishes this by electromagnetic induction and
iv.
The two circuits are in mutual inductive influence of each other.
Electrical and Instrumentation Engineering: Unit I: Transformer : Tag: : - Introduction of Transformer
Electrical and Instrumentation Engineering: Unit I: Transformer
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Electrical and Instrumentation Engineering
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