How to select the different contactors ( starter
combination) for different AC motors? what about fuse
cappacity 4 different motors too?
Answers were Sorted based on User's Feedback
Answer / jitesh
rating of contactor depends upon amp. carried out of
motor.& it is 1.7 times the motor current.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / anil bhatia
Category Application
AC-1 Non inductive or slightly inductive load-eg:furnace
AC-2 Slipring induction motors:- high starting,
plugging
AC-3 Squirrel cage induction motors:- start and stop
AC-4 Squirrel cage induction motors:- start plugging,
inching
DC-1 Non inductive or slightly inductive load-eg:furnace
DC-2 Shunt motors:-starting, stop
DC-3 Shunt motors:-starting, plugging, inching
DC-4 Series motors:-starting, stop
DC-5 Series motors:-starting, plugging, inching
| Is This Answer Correct ? | 0 Yes | 0 No |
we use 3 phase supply for induction motor why not use two phase supply .
why we usually call 415 volts instead of 440 volts
How to connected to energy meter, pt, ct, ammeter, voltmeter and selector switch.
what is the suitable voltage of transmission line to transmit 10000w power through 250 km. (a)11kv (b)33kv (c)66kv (d)132kv ]and please tell me whats the logic behind it
Why the earth to phase voltage is high 250 compare to other two phases
Why the rating of the HT breakers are in 1250 Amp, while the load on the breaker is around 50 Amp. ?
What is the Power factor of DC Power system ?
For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel
What happened when we give 2 phase supply to a 1 phase equimpent. It's effect on equipment's efficiency and life?
How to calculat size of copper & aluminium ?
What is the fuction of UV & how it works in circut breakers? is it one type of relay?
for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.
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)