Step Up and
Step Down
Transformer
: KNOW HOW IT WORKS
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A transformer is a stationary device
responsible for transferring AC electrical
power between two circuits at the same
frequency. Since the voltage level usually
changes during transmission, the voltage
can be increased or decreased using step
up and step down transformers
depending on the requirement.
A step up transformer increases
the voltage at the output end, while
a step-down transformer
decreases the voltage at the
output end. Here is a brief
comparison between step up and
step down transformers which will
help you to understand their
difference better.
DIFFERENCE BETWEEN STEP UP
AND STEP DOWN TRANSFORMER
Voltage
The primary difference between step down
and step up transformers is that in step up
the voltage is raised at the output end
whereas in step-down transformer it is
dropped, and that is what their names
suggest. The output voltage rating in step-up
transformers is generally 11000 volts or more,
whereas it is 110 volts, 24 volts, 20 volts, etc. On
a step down transformer, it means that a step
up transformer can increase the voltage from
220V-11KV or more whereas a step-down
transformer can reduce it from 440V to 220V
or 220V to 110V, 110V to 24V, and so on.
Winding And Current
There is a difference in the windings of both
step up and step-down transformers. The
primary winding has a high voltage winding,
while the secondary winding in a step up
transformer is a high voltage winding. And
thus the current is high on the secondary
winding in step down and low in step-up
transformer. So, if you are looking for a
transformer manufacturer in India, it is better
to have knowledge about the primary and
secondary windings of a transformer first.
Size of the conductor
In a step-up transformer, the primary
winding is made of thick insulated copper
wire, while the secondary winding is made
of the same material. Therefore, it is
important to assess the thickness of the
windings and find the right size of the
conductor as per your requirement while
going to the step-down transformer
manufacturer.
However, according to Ohm’s law, a coil
with a higher voltage will have a higher
current because voltage and current are
directly proportional. However, in a
transformer, both the coils have the same
power, and thus the current becomes
inversely proportional to the voltage.
APPLIANCES THAT WORK ON THESE
TRANSFORMERS
Step up transformers are commonly used in
power
plants,
X-ray
machines,
and
microwaves, while step-down transformers
are used in voltage converter devices, door
bells, etc.
MECHANISM OF WORKING
OF A STEP UP
TRANSFORMER AND STEP
DOWN TRANSFORMER
Transformers, in general, are composed of two or more
coils of insulated copper wire wound around an iron core,
which become magnetized when an input voltage is
applied to the primary coil. This magnetic iron, in turn,
gives the output voltage as an end result to the voltage
across the secondary coil.
What makes the voltage transformation?
The winding turns in the primary and secondary winding determine the
amount of voltage change at the transformer end. For example, if the
primary coil has 50 turns and the secondary coil has 100 turns, the ratio of
these turns, i.e. 1:2, will determine the percentage of input to the output
voltage.
Thus if you put 220 volts on the information, you will get 440 volts at the
voltage output. Similarly, the primary coil will have more turns in the booster
transformer as compared to the secondary coil.
How to control the voltage of a transmission line
at a distant point?
When it comes to finding a suitable alternative for controlling the voltage of
the transmission line from a point away from the main transformer, the
most convenient machine is the booster transformer, whose secondary is
connected in series to the transmission line and then adjusts the voltage. is
required. can be changed accordingly.
However, low quality and cheap boost transformers may not do the job
efficiently. Thus, if you are investing your money in buying one of these,
make sure that, you get your machine only from the best manufacturers of
Booster Transformers in India.
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