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TYPES OF SUPPLY

There are two types of supplies
  • AC SUPPLY
  • DC SUPPLY
AC SUPPLY:
The AC current is generally abbreviated as Alternating current .
Unlike the DC current the AC current changes its direction and magnitude periodically.
The alternating current is the periodically varying current,the average value of which over a period,is zero.
The frequency of Alternating current f=finite value.
DC SUPPLY:
The DC current can be abbreviated as the Direct current.
The volt and current available from the batteries or solar cells.
The standard DC voltages are about 230 and 460 volts
There are no changes in its direction and magnitude
The frequency of  this Direct current f=0 , that means frequency does not exists.


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