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I need to calculate the Battery bank back up for below configuration:- UPS - 120 KVA Battery Bank - 200Ah Volt of each cell - 12 V Total No of cell - 34 No's Can you please help me to get the battery back up time for above configuration...? along with formula
1 28221.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating
1 1868what is the function of a circuit breaker ?how does the circuit breaker function during normal operation of an electrical system
2 4034How convergengr of nr method is not dependent on selection of slack bus and how gauss siedel method depends?
1 1892why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding
1 1930Post New Electrical Engineering Questions
hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.
Draw the line diagram of diffretial relay connected to transformer?
sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.
What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?
Pls mail me utility & Dg related question with answer
Hi, This is Laila. I am selected for syndicate bank interview. Could you please share your views and the questions asked if you have faced the interview My email id is laila_honey09@yahoo.com Please send as fast as u can.Thank You Thanks... Laila.
Circuit diagram of tube light without starter using electrical choke
What products have you designed which have entered high volume production?
A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.
ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH
hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible
If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?
As i want some model question paper in basic computer science and history please send me immediately sir
i m in need of current rating chart of heavy duty pvc/xlpe, cu/al cables. can somebody provide me? if yes, plz send me at ashish_patel111@yahoo.com
sir pls send the je exam - 2008 and other model question papers..
