why 120 devided with pole and speed multiplication to
determine frequency

Answer Posted / k.prakashchandra

For 1 cycle 1 south pole and one north pole are required,so
divide poles by 2.To convert rpm to rps divide by 60

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the method of estamating of cable, CB,MCB ?

1680


Where can I get CPWD electrical specifications & Shedule of rates? Please help me

1816


Why 1/3 is used in symmetrical components?

1390


What are the advantages of the three-phase motor over single phase motor?

609


in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

1565






How to calculate the current of Highpressure Mercury Vapour Lamp?what is the basis?whether we have to consider power factor or not?

1666


How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

1514


What is the permissable nutral current of three phase system as per IS standards?

1533


What is DTR erection?

3593


why use phase displacement in transformer.and effect of phase displacement on transformer

2331


Define piezo-electric effect?

713


What is a compensator?

664


what is RFID? thire application;

1536


What are the different circuits in thermal power plant?

724


distribution transformer de-rating formula on over limit iron losses  

1812