What is the difference between CT for protection and Ct for
metering?
Answer Posted / amir
Metering CT: Designed at a point not far from knee point on
the CT saturation curve.
Protection CT: Designed at much lower point on the curve.
| Is This Answer Correct ? | 42 Yes | 7 No |
Post New Answer View All Answers
please describe the Transformer setting, Motor setting, I/C setting, Tie setting
how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)
1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor
why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%
What is pd controller?
Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?
What is the role of Dedicated earthing in UPS System?
What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.
what is droop control?
model question paper for supervisor trainee
defination of controlled shunt reactor
checking procedure of capacitor based motors.used in fans etc?
why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?
why the carbon brushes are broken in srim while the motor runningtime
What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?