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What would be the ratio of a Delta-Wye tranformer having 48000 volts phase to phase on the primary and 4160 volts phase to phase on the secondary?
5 7756Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.
2178I have applied the post Junior Engineer-iii(c&w)in R.R.B chennaI recently . can i get any model question paper LAST 4 YEARS?
2 8923Why different types of connection in transformers are used? (star/star,star/delta,delta/star,delta/delta)Why we are only taking in consideration of star/delta type transformers? if only star/delta is good in practice where doses other type of transformers are used? Note: i want to know place of using different types of transformers other than Star/delta type with brief description.
1 7915how can we represne the analog signal and digital signal if want to measure the speed and we have to use PLC
2 5143how would you come to know if a transformer is double wound or auto? note that there is no tag. you are given only a multimeter.
5 17570Post New Electrical Engineering Questions
When we use air circuit breaker, it has O/L protection ,time delay SC protection, Instataneous SC protection & ground fault protection. They all have some setting range. But what is the suitable/allowable setting for the above protection which will be safe for the equipment? For example-O/L protection setting have a range of (0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.8,0.9,1.0)xIn Time delay SC protection have a range of (1.25,1.5,2,3,4,6,8,10,12)xIn Time delay setting is 0.02,0.1,0.2,0.3,0.4 Instataneous setting is fixed to 20xIn Gound fault setting is given 100A,300A,600A,900A,1200A This setting are for 2500A ACB. So what will be the basic allowable setting for the above protection? is there any formulae to calculate this<
Define conversion efficiency of a power amplifier.
What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.
Draw a block diagramof Three UPS systems connected in Parallel mode?
WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC
How to apply 'c' license and also explain what is difference between 'c' and 'b'license.i am also working in one of the private company.i have finished my diploma in 2014 .i have already finished in ITI electrician course.....
Name one of major transformer company in KSA ?
I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me
how many types control panel of a 132/33 kv substation
which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?
What is the dependency of stiffness on load angle??
What is the difference between a Root Locus plot and a Bode plot?
Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?
can any one suggest me the tilt angle of my solar pannel ?? or tell me how can i know the fix tilt angle of my solar pannel?? my cordinates are 31.503629,72.993164.
How to check the Bushings of the transformer?
