Answer Posted / raj
relay are device which are use to sense fault .
and cntactor are device which reacived signal through relay
and remove contact from the line or connect the line
(manually)
| Is This Answer Correct ? | 18 Yes | 1 No |
Post New Answer View All Answers
how we can calcultae the short circuit level for bus bar
how much UPS neutral erath leakage current.
If we connect a motor and generator together (I mean that the generator gives the motor electricity and the motor gives the generator movement) regardless the losses. Will the generator still generate and the motor still move?
if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?
Define newton's law of viscosity.
Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing
what is package substation.how many types they have
why we use copper earthing for neutral while for body GI.
what is the maintaining Cf in UPS.
Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0
In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?
What are two contours of nichols chart?
which metal is use in shunt
What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.
Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.
