Answer Posted / bharat
it is used for protection of generator from fault.In NGR
RESISTANCE VALUE WILL BE 153 OHMS For 6.6kv/22kv now u can
calculate fault current from this it is connected at 22kv
side.
| Is This Answer Correct ? | 4 Yes | 8 No |
Post New Answer View All Answers
What is meant by analogous system?
Can u Explain about the electronic trivector meter and the use of data converters in them?
What do you mean by distribution transformers?
Name two types of electrical analogous for mechanical system.
how do i commission a distribution transformer knowing all its ratings and transformation ratios?d
hr round
What is the relationship between voltage,current & frequency?
define hysteresis loss, eddy current loss and windage loss
why we cannot protect 100% winding of an alternator by using differential protection?
How earthing/grounding done in aeroplanes and ships.
while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?
from which subjects most of the technical que will b asked for hpcl(electrical).pls help me
briefly explain the main blocks found in a microprocessor based system
What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.
why the value of k is more in shell typr transformers?