Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / ammar
we have to calculate the rated current of the load
connected to the circuit breaker from the power equation
p=√3.V.I.cosθ
then we can decide which is the suitable rating for the CB.
| Is This Answer Correct ? | 10 Yes | 3 No |
Post New Answer View All Answers
what is diff. between earthing grid,earthing mess, earting grid?
What are two contours of nichols chart?
what are carbondioxide and dcp used in fire extinguishers
How to calculate the electrical load for a standard telecom BTS shelter and choose the DG set capacity for the same load?
3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw
can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?
How to Calculate the Fault Level of Electrical Installation
Does the direction of rotation of d.c. Shunt motor would get reversed if the armature current and field current both are reversed?
How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........
What is instrumental error?
Why negative feedback is preferred in the control system?
What kinds of decision are made about CT from it's Knee point(voltage & current)?
An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?
How PSV sizing being done
how does ELR works? explain
