What are the protection used for alternator,transformers.
Answers were Sorted based on User's Feedback
Answer / satya dev
For Alternator..... Over Voltage & Under Voltage Relay,
Over current & Earth fault relay but all these are not
directlay connected to alternator, It is connected to the
ACB of alternator to safe the Same during faults.
For Transformer...... Buckholz Relay, Winding temperature
Indication(Alarm & tripping system) Oil temp. Indcation etc.
| Is This Answer Correct ? | 15 Yes | 2 No |
Answer / taju
For Alternator- Under/over voltage protection,Reverse
power,under/over frequency,ground fault protection,
For TXR-Buckholz rely,winding temperatur,Oil
temperature,ground fault protection.
| Is This Answer Correct ? | 1 Yes | 0 No |
if field winding of synchronous generator are shorted on each other will it start or burn or run for short time like induction motor
Is there any option to replace two Genset of capacity 125KVA with one higher capacity for same office?
in 6.6 kv vaccum circuit breaker vaccum bottole vaccum capacity ????
In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.
In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?
What is LCI drive & how does it work & why it is used?
how do you select the ct/pt rating in substation
1 Answers Apollo, Shreem Electric Ltd, Tata Motors,
what is the write prosidure of stringing of 8meter pcc pole.
how fault in an electric system is detected & hw protection of equipments is done ?
Stator core loss of squirrel cage induction motor compared to rotor core loss is= A equal B more C less D depends on load
what is DAR test?
2 Answers Al-Naboodah, ISRO, ONGC,
Why generation voltage in thermal power plant is between 11kv to 33kv?
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)