explain the f=np/120 this equ.how to come 120
- 3 Answers
- 10354 Views
- Jayaswal Neco Industries, I also Faced
- E-Mail Answers
Answer Posted / pankaj_tikariha
P=no. Of pole,f=frequncy ,n=speed Ns=p/2*N/60
| Is This Answer Correct ? | 7 Yes | 1 No |
Post New Answer View All Answers
What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.
What is the meaning of dedicated earthing?
How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors
what happens if earth of 33kv cable is not connected to earthing pits? please send this query's answer to ngrm.sudha249@gmail.com
Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.
What is measurement?
Where is servomechanism used?
what is meant by residual over voltage & residual earth fault ?
What is the difference between a fuse and a breaker?
How to setting the volume of RTCC panel AVR (11kv) controller
Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.
dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish
Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?
i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula
Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?
