Answer Posted / prince
Anti-pumping relay is used for protecting the closing coil
of the circuit breaker.The Anti-pumping relay contact(NC)
has been taken in series to the CB closing circuit.
| Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
Anybody know how schematic diagram for reverse power relay? RPR for generator protection
which metal is use in shunt
What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.
what is meant by flywheel and its role in retardation test
What is time response of the control system?
what are the ''pitting rings''and how cn they be controlled in a series generator
a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn
is the value of inductance depends upon the evalue of thitha in doubly excited machine?
What is synchro?
What is the difference between Delta & Wye windings?
why the colour of insultor stack , petticoat is brown. Is it has some technical reason.
what is meant by loss of field in a DC motor? how a universal motor works?
Why armature rheostat is kept in maximum position?
we have 15 ampere variyac but we want 30 ampere variyac what we do
What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?