5P - Accuracy Class
10 - Composite Error

It means CT have minimum inaccuracy is 5% when it experiences 10 time of it's rated current.

5 is minimum% inaccuracy
P mean Protection Class
10 How much time of rated currentis Rated current

A neutral CT is usually connected to the neutral of a star connected transformer. for balanced condition the current through neutral is zero.but if any unbalance occurs such as a ground fault, then th...

Neutral CT is generally used on earth connector connecting the earth or ground & the star point of a Generator or Transformer or reactor(generally we can say electrical machines).Neutral CT is sel...

Bus ducts are the mechanical protection to the bus bars, may be rectangular or square hollow boxs.

1) what is the load=      KW2)from that calculate the actual current, I  =             KW   &nb...