why the weight of oil in transformer is specified (on the nameplate) in litres as well as kilo grams?
3 4517Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.
3347Three way plug point is there ,in that plug why we need earth pin is bigger than compare with phase and nutral pins?
IIT,
7 8510why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?
1462Explain about Dubai electrical sysaem? Explain about Dubai drinking water system? Explain about Dubai Burj tallest building Electrical,Water.etc.. maintenance system?
1662what are the industrail measures to over ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system?
1682we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.
MTN,
1488Post New Electrical Engineering Questions
What is the formula to calculate the size of Aluminium and copper cable?
what is the relationship between current&voltage in practical purpose ?
can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)
how to calculate the surge level of surge suppressors related to the SF6 cicuit breakers?
relation between power station capacity and voltage level?
can you any one give exact mathematical relation between AC current and DC current?
-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.
what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com
What do you mean by screen of power cables?
what is the prinsiple of dc motor and construction and working ,application of dc motor.
Iwould like to know barc interview questions
How to check the cable fault / hv test of transformer cable.
what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R
For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel
i need previous entrence exam papers of nhpc.
