How to find out freqency in Ac and Dc and also how u
control it

Answer Posted / naresh

in case of dc ,the frequency is always constant .
where as in case of ac ,the frequency is defined as number
of cycles per second.

it is given by

F=(1/T).

Is This Answer Correct ?    8 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are conduct on the testing in cf in ur site?

1186


Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

1470


how to calculate the distance relay faulty zone?pls explain?

1580


why do we carry out winding resistance test?

1836


Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.

2098






how to store the thunder power?

3755


Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?

1414


we have 15 ampere variyac but we want 30 ampere variyac what we do

1418


Define the term factor of inertia.

1444


Can you explain about TEE protection scheme?

1751


HOW TO WRITE A QUENTION ANSWER? I MEAN SHORT OR LENGHTHY ? OR FROM THE BOOK AS BOOK..... SOME TIME WE GIVE A ANS FROM THE BOOK AS LIKE BOOK ND WE GET MINIMUM 60% MARKS OR MORE THEN....... THEN HOW TO FILL THE Q-PAPER?

1516


can we use trip light with bus coupler?

1430


A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .

2132


how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???

1610


how to calculate the settings for shaft ct protn in hydro generators

1500