The ripple frequency in output of fullwave bridge rectifier is
a. Half the input
b. Twice the input
c. Same as input
why we measure ouput of transformers in kva.
what is mean by hvdc transmission technology .what is principle of hvdc transmission and technic of hvddc transmission .
For what purpose an AVR in generator sensing generator output voltage?and how the sensing is done by AVR?
how to select energy meter? have any calculation?
what is the function of choke in tube
what is level 2 automation?
What is static frequency control used in gas turbines
25 kva load,
What is PF? Formula for calculating PF in HT side?
One amps in HT is equal to how manys amps in LT
I have a 600VA numeriv digital UPS for computer only. It holds for 15 minutes only. but i am try to using home CFL Light I cant using UPS 2 or 3 secound automatic off .but computer ok how to change this is in to ups ?
We know that primary transmission is done to reduce current so that i^2*r loss could be minimised but according to ohm's law v is directly proportional to i,which indirectly means higher potential difference means larger current?so how the current is minimised in high power transmission line??