Answer Posted / jai sharma
tol r setting should be 80% of tripping current b'cos thermal effect in bimetalic conductor strips starts heating from 80% and then after few 4-5 minutes at 100% trip or actuated
| Is This Answer Correct ? | 9 Yes | 1 No |
Post New Answer View All Answers
What kinds of decision are made about CT from it's Knee point(voltage & current)?
Compare salient pole and cylindrical rotor machines.
sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.
How CFL &T5 tube light glows?
what is mean by PIR in circuitbreaker and give me detail of that?
Why star delta starter is preferred with induction motor?
how to compare with Relay settings for HT< panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps
Does the direction of rotation of d.c. Shunt motor would get reversed if the armature current and field current both are reversed?
which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?
PLZ sent the previous year question paper for GET in NHPC on my EMail id ppshanker@gmail.com
WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO
In the magnetic fluxes, what is the role of armature reaction?
How to calculate approximate load loss of a distribution transformer by knowing %ge imp of transformer?
In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?
How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.