Current transformer protection class
What is the 5p 10 , burden in current transformer?
5P - Accuracy Class10 - Composite Error
It means CT have minimum inaccuracy is 5% when it experiences 10 time of it's rated current.5 is minimum% inaccuracyP mean Protection Class10 How much time of rated currentis Rated current
Why do we use neutral ct in a transformer?
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...
Busduct & rising main
Explain what are busduct and rising main? Where it is used?
Bus ducts are the mechanical protection to the bus bars, may be rectangular or square hollow boxs.
How to calculate the voltage drop in cable?
1) what is the load= KW2)from that calculate the actual current, I = KW &nb...
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