why two over current realy used in vcb.
Answers were Sorted based on User's Feedback
Answer / shahid
vcb or any no need 2 relays 1 and only enough.
or system designer can put 2 one master and other slave to
shore tripping but not only vcb can be all types of cb.
| Is This Answer Correct ? | 0 Yes | 4 No |
IS THERE ANY ELECTRONIC CIRCUIT TO REDUCE THE NEUTRAL TO EARTH VOLTAGE BELOW 3V ?
what you mean by vector group of a 3 ph transformer
What is a roll of a adopter pannel in buscoupler pannel????
How eddy current generation support the idea of train braking?
how to find the resistance and gap volatage of the diode??
WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?
how to select battery for 15 KVA UPS with formula
WHY WE DO NOT TAKE THE POWER FACTOR MORE NEARER TO UNITY IN AC GENERATOR?
can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?
why induction motor takes high current?
Where we use 30mA , 100mA & 300mA RCCB ?
At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)