Interested to Buy Any Domain ? << Click Here >> for more details...
Ns=120f/p. what is 120?
- 10 Answers
- 107171 Views
- IAR, L&T, Ramada, Toshiba, I also Faced
- E-Mail Answers
Answer Posted / piyush kumar
1. Frequency is given by Ns(rpm) divided by 60 to make it "per second"
2. This is due to one pair of poles so needs to be divided by 2.
3. There are P no of such pole pairs so needs to be multiplied by P.
4. So we get f = (Ns/60)*(1/2)*P
or Ns = (120*f)/P
Hope this explains it !!!
| Is This Answer Correct ? | 160 Yes | 25 No |
Post New Answer View All Answers
What is the armature mmf in a D.C machine?
what kvrah y we need to take the readind of that
how to compute kAIC? with formulas...
what is the stear deltaprinceple?
state the working of discharge lamp?
bsnl tta exam question
what is conductor copnstant of ab cable
what the Microsoft .NET framework is?
suri transmission
1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?
What is CVT and what is relation with wave trap?
WITCH CARDS IN USE IN FIRE CONTROL PANEL.
What is Tachometer used to measure?
Differentiate between kirchhoff’s first law and kirchhoff’s second law?
what is the question paper model for section engineer in RRB
