in 11kv/400v transformer when only one phase of 11kv supply
fails what happens to sec voltage and why
Answer Posted / k.prakashchandra
If delta/star ,one phase voltage will be normal and the
other two 50%, If star/star two phases normal and the third
missing
| Is This Answer Correct ? | 5 Yes | 4 No |
Post New Answer View All Answers
What is tranformer differtial?
what is diff btw electric,magnetic & eletromagnetic field
DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?
We have given to 3phase supply to ups system & how can coming netural
WHATIS TIME CONSTANT? WHATIS ITS SIGNIFICANCE? ILLUSTRATE THROUGH EXAMLES.
Why 1/3 is used in symmetrical components?
what is mean by drives?
what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network
What are the main advantages of bode plot?
Please define ampere?
for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.
Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?
Define characteristics impedance?
what is the effect of back reactive power on the generator ?
Why you are switching off arc protection mcb when you are taking shutdown for lv board.