Question { 5007 }

Why USe In -48 DC Volt !

Answer

we can use some power supplies and Electri motors

Question { 5007 }

Why USe In -48 DC Volt !

Answer

E.g. : Solar systems can be sized in 12, 24 or 48 volts.
As a general rule, smaller Photovoltaic systems are run on
12 volts. 24 or 48 volt equipment can handle 4,000 watt
systems. 48 volt systems are designed for energy
consumption needs of over 4,000 watts.

Question { 8660 }

I have recently seen a transformer which had two primary
terminals and was connected between two lines,i would like
to know what kind of transformer is it?short discription
about it,any advantages,purpose of usage of the
same.............

Answer

Types of Bushing transformers:
One bushing transformers & Two bushing transformers

One bushing transformers:
The one bushing type has one terminal for the primary hot
to connect to. One bushing transformers are used mainly for
setup up three phase transformer banks, since the terminals
are located in a little better position for this type of
setup.

Two bushing transformers:
The two bushing type (most common) have two primary
terminals on top of the pole can for both primary
conductors to connect to. . The second primary terminal in
on the back side of the can (180 degrees opposite the
secondary terminals)