what are the types used for alternator earthing,what will
happen if more than two alternator is working in
parallel with each having own system earthing.is there any
possibility for circulating current in between two system.
Answers were Sorted based on User's Feedback
Answer / prw
The earths of each alternator must not be connected at the
same time because this will result in third harmonic
current flowing causing excessive heating. The earth should
be switched so that only one earth is connected to ground
| Is This Answer Correct ? | 17 Yes | 1 No |
if two alternators running parallel and both alternators
neutral grounded by one earthing strip, there is chance of
circulating current. because the unbalanced current flow
through the neutral of one alt.to second alt.by the neutral.
if both alternators earthing is separate , then no chance
of circulating current.
| Is This Answer Correct ? | 13 Yes | 6 No |
the two types of earthing is used: 1. pipe type earthing
2. sheet type earthing
NOTHING WILL HAPPEN WHEN TWO ALTERNATORS ARE WORKING
PARALLEL WITH EACH HAVING ITS OWN EARTHING.
NO THERES NO POSIBILITY OF CURRENT CIRCULATION.
| Is This Answer Correct ? | 7 Yes | 12 No |
an electric bulb is connected on a holder. one end of the wire is connected to the phase and the remaining one connected to earth instead of neutral. the bulb will glow or not? if yes then what is the need of neutral?
How will you justify IR value and Charging voltage of any motor,transformer and Cables.......???? . . . . . . . . Plz tell me any body Baljeet Singh, engineer_89@refiff.com
What is cable size of motor if starting current is 15.6 Amperes??
how to put cable sizing and cable glands size for respective cable & Cable Lug size in a DB sectors???
Pl.brief me about Electrical power distribution system from Main generating station to Industry.What is the use of in between station.
A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N
which is better VCB or ACB and why?
What do you mean by nominal ratio of instrument transformer?
What is Generator Protection & Transformer Protection?
What is the full form of CNC in electrical mechines.......?
what is first ground fault & second ground fault. This is used in rotor protection of alternator.
Period of infinite continuous fourier series a. N b. N+M c.infinite
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)