63.5 ohm NGR is connected with our gas engine genrator running at 500 rpm, 50 hz and synched with WAPDA at 6.3 KV bus voltages, 2500A and 25KA(1 sec). can some one give me proper calculations how it comes 63.5ohm?????
Answers were Sorted based on User's Feedback
Answer / julesh das
Hyyy....
Here your phase volt is 6.3 kV means ur ngr side volt is 6.3 kv .
The fault current is 100 amp duering abnormal condition at ngr side..
So the resistance value is as below
R=V/I
R=6.3/100
=63ohm
I think this and will help u...
Otherwise give me ur email I'd I will send u the calculation description
Is This Answer Correct ? | 0 Yes | 0 No |
Rated voltage / NGR resistance = rated current
Is This Answer Correct ? | 0 Yes | 1 No |
What is critical speed of turbine
Why reheater is not used after IP turbine.
What happens if air is present in LPH and HPH.
Why we need to maintain furnace and secondary air dp.if it increase or decrease what happens.
why the steam turbine is not operated in home(base) load more than 1 hour kindly calrify
I want to build 100 megawatt hydel dam. What does mean, 100 MW per hour? then how many electric bulb of 100 Watts the dam would lit?
During shutdown of Steam Turbine,How do we cross the critical speed?
What is difference between Actual Drum Level and Compensated Drum Level?
why expansion bellow is provided in between hopper and vessel in ash handling plant?
Why superheated are started before I'd and rd fan?
2. what is meant by exhausthood temp?
what is need of primary water system in power plant?