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 Categories >> Engineering >> Electrical Engineering
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Question Asked @ Answers Views     Select
what are the C&D CHECK OF DG set hcl   1  2608
What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?    0  715
What are the possible causes if load is not same on all the three phases    4  1617
Hi i want to know that in generation station what we are generate either voltage or current    1  1179
what is XLPE cable? essar   2  1616
Type of cable insulation? essar   3  1845
at what basis/standard we have to arrive the current density of aluminium/ copper in busbar? ongc   0  355
1.type of oil in used in transformer.    7  2571
How to calculate ant test the burden of Current transformer ntpc   0  557
What does the temperature (30 deg or 35 deg celcius) mark on conservator of transformer indicates? mahagenco   1  1024
please design a rectifier with batteries for below requirement and also explain how you calculate this solution, Load = 700Amp DC Backup time = 6 hour. please explain briefly ????? gnfc   1  950
can we calculate the diameter of the cable by its cross section?    1  842
why the substation require din electrical system?    1  1832
how does excitation of brushless alternator took place?    1  850
Hi, i want to know is meant by power quality? How it can calculated ? How we can improve?    1  1276
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Un-Answered Questions
 Question Views   Select
What should be the magnetic balance test values for a 3 phase delta/star connected single primary dual secondary winding transformer (90 MVA / 2 X 45 MVA TRANSFORMER) 204
how to find the resistance and gap volatage of the diode?? 304
In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates. 601
what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not 370
1. How many types of mangers? 2.How many types of capacitors? 3.pls tell me normally types alternator problems? 343
Explain about Dubai electrical sysaem? Explain about Dubai drinking water system? Explain about Dubai Burj tallest building Electrical,Water.etc.. maintenance system? 347
we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause. 2647
briefly explain the main blocks found in a microprocessor based system 556
what is vA rating and class of a ct. 219
sir, iam a electrical engg graduate and i want to go in automation sector and for this i have decided to do industrial training for this,plz suggest me some good institute for the same in delhi,ncr. my degree percentage is 58%, can i get job after doing training, plz help.... 286
what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ? 361
how to compute kvar in substation feeder to improve power factor and sending voltage 398
What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any. 458
2. What are the parameters of EHT sub-station? 453
DC transmission 316
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