define excitaton voltage and excitation current?
Answer Posted / solanki
EXCITATION VOLTAGE-
IT CAN BE EXPLAIN AS THE VOLTAGE REQUIRE TO EXCITE THE FIELD
WINDING OF A DC MACHINE NORMALLY ITS VALUE LIES BETWEEN 125
TO 250 V DC.
EXCITATION CURRENT-
THIS IS THE CURRENT WHICH REQUIRE TO EXCITE THE DC MACHINE
FOR PRODUCING MAGNETIC FIELD....
| Is This Answer Correct ? | 21 Yes | 10 No |
Post New Answer View All Answers
what is the transformer rush current?
temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%
What is boucholz relay and the significance of it in to the trformer?
what is formula to cal cute earth pit numbers and size of earth strip used in earthing?
what is the internal working of star delta starter
Why strting torqe high in inducation motor?
pls tell what are doing the three phase motor star and delta connetion with circuit diagram and control wiring .
what is lumped and distributed elements?
I have made a 3 phase thyristor full bridge rectifier. But at the moment it is working only for the half bridge operation. Both the half bridges are on operation separately but when i put it into full bridge operation the oscilloscope output is zero. I rechecked that the pulses are correct for each thyristor. what could be the possible reason for this?
how to read idmt curva
When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?
In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?
typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?
Explain how to determine capacitor tolerance codes?
how test transfomer(3 phase75kva) by megger