Ns=120f/p. what is 120?

Answer Posted / lokeshraj

the Ns is the speed in rpm so there is a facter 60 is
there. then two poles makes a magnet or passing over two
poles one cycle of output is completed. combining both
there is a 120 factor.....

Is This Answer Correct ?    36 Yes 20 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what happens if earth of 33kv cable is not connected to earthing pits? please send this query's answer to ngrm.sudha249@gmail.com

1554


USE OF 8 WAY PAN ASSEMBLY

1499


What happens if we run alternator on under frequency? 

1648


what is capacitor voltage transformer?? how it is different from potential transformer?

1701


how to calculate vfd o/p voltage by frequency

1727






what is a power factor?

1325


I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?

1395


How maesure earth neutral value & how much maximum value value required in between earth & neutral.

1592


Why Utility Distribution System in India is mainly at 11 kV? Why not Utility go for 33 kV?

1321


What is Electrical Grade Aluminum for Tubular BusBars. i am confused between 6063 and T6 or T5 and what is BS 2898 and BS 159?

1425


explain transformer ct connection?

1616


Differentiate between real and apparent power?

667


what is mean by ideal infinite bus? why it is required to consider in fault short circuit calculations?

2240


For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

1653


Please brief working principle & construction of permanent magnet AC Servo motor

1750