Interested to Buy Any Domain ? << Click Here >> for more details...
how a circuit breakers work at fault condition .plz give a specified answer.
- 1 Answers
- 2854 Views
- Regen Powertech, I also Faced
- E-Mail Answers
Answer / jithendra
circuit breakers works mainly for protection of circuit
so it needed to trip when fault occurs
inside the breakers current transformers (CT's) are placed for sensing the fault
Breaker are operated with closing,triping,shunttrip & Under&over voltage coils
Through ct's fault will sense then pulse will be given to
the triping coil at that time breaker will trip
Breaker will have these faults protections
OVER LOAD
EARTH FAULT
INSTANTANEOUS CURRENT
SHORT CIRCUIT CURRENT
| Is This Answer Correct ? | 3 Yes | 0 No |
if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current
what is the current law ?
How do you connect the capacitors on polyphase circuits?
we the the value of frequency is 50 HZ in DG then why we said the value inductive rectance is zero in DG?
Derive the inductance of a coil in terms of its physical factors.
It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.
what is the relation between frequency and inductive reactance in a d.c supply?
what will happen when a electric bulb is connected between two phases.it will glow or not
does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain
what will happen if synchronous machine rotor fed from single phase ac supply
How much depth we will take in 33kv sub station and why.
how to decide the panel size like MDB ,SMDB PANEL SIZES
-
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)
