Have you ever wondered how electricity is brought into our
homes and offices? You know that it is superbly huge amount of power generated
at the power stations, right? And, you also know that this huge supply if
brought into your homes can cause serious damage to your appliances and death
too. So then, how does this huge power get into your homes so safely? It is
through a power system comprising of various step up and step down transformers.
Step up transformers increase the voltage, while step down transformers
decrease the voltage.
The power lines that you see criss-crossing across the
country carry enormously high voltages of around 4,00,000 to 7,50,000 volts,
delivering electricity from power plants to homes. But, our electronics and
appliances use only a mere 110 to 250 volts of power. This huge difference in
voltages is only made possible with the help of transformers. So, you can see
what great a role transformers play to bring us safe electricity everyday! This
is the reason the invention of transformers has proven to be a boon in the
power industry because only after its invention has become possible the
transmission of power and regulation of voltage.
What are step-up and
step-down transformers?
Transformers work on a very simple principle that when
fluctuating electric current flows through a wire, it generates a magnetic
field all around it. The strength of magnetism is directly related to the size
of the electric current. This means that bigger the current, stronger the
magnetic field. Transformers have a soft iron core at the centre around which
copper wire is wound. Transformers have one primary and one secondary coil
wound around the core. If the primary coil has more turns than the secondary
coil, the primary coil has higher voltage than the secondary. This is the
functioning of a step-down transformer that reduces higher voltage to lower
voltage. Reversing the situation, a step-up transformer can boost a low voltage
into a higher one.
How do transformers
help to bring in electricity to end users?
Now that you know what step up and step down transformers
are, let us see how electricity is brought into our homes from the power
station. Electricity is generated at power plants, which movies through a
complex system known as the “grid”, comprising of electricity substations,
transformers, and power lines. The various local grids are interconnected,
forming larger networks that enhance the coordination and supply of
electricity. There are hundreds of thousands of miles of high-voltage power
lines and millions of miles of low-voltage power lines across the country that
connect thousands of power plants to millions of residential and commercial
areas for end users.
First, the power is generated in the utility power plant,
which is supplied to the transmission towers through step-up transformers. The
power then runs through high voltage transmission lines, travelling through
step-down transformers to reach the substations. And then, finally, the power
is then transformed to the homes, offices, and factories of end users through
the utility poles that we see on the streets, having step-down transformers
installed.
Apart from these transformers installed in the power grid system, you
would also need various kinds of transformers installed within your homes and
offices to bring in safe power supply for your electronic devices and
appliances. For this, you can get in touch with Miracle Electronics to provide
you with the best kinds of power, medical isolation, EI, UI, SMPS, audio
output, three phase, and toroidaltransformers in India.
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