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Basic philosophy of applying 3P tripping for uptill 132KV switchyards & for 132KV & above 1P/3P tripping is used.
L&T,
1 4417Is it necessary to seperate the DG earth grid with Electricity Board earth grid for protecting the DG set. if yes why?
BARC,
2 4936Isi standard of lux level required / to be maitained in different working place general & in textaile industry.
1 7227Post New Electrical Engineering Questions
PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com
How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?
how you will decide the distance between the power transformer and its fencing
1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)
Draw the circuit of clapp oscillator?
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.
why lightning arrestor are made in two stack of insulator but why not cvt
What current position are you holding in your current company?
I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com
please send 5yearje solved papers on my email himmatsinghnathawat@gmail.com
What are the different methodes for calculating the short circuit Current?
How to calculate VCB rating for 33KV ,25 MW Power line?
Diagram and details of polarity test for Current Transformer 11kv 400/200/100/1A
can you plz send l&t aptitude questions if available its urgent plz plz plz
XYZ
