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 Categories >> Engineering >> Electrical Engineering
 
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Question Asked @ Answers Views     Select
what are the types of starter ? me   15  58662
what is the purpose of the armored for the power Or control cable? How to select the type of the armored? siemens   1  1475
What happen to the transformer if the OLTC frequently used for lower and raise occured 50times daily?    0  308
what are the different types of bus bar used at electrical work at shelter aster-teleservices   3  4039
what are the problems faiced at dg comissiong aster-teleservices   0  293
how to find the starting current of the motor? boc   0  295
What is the real use of reactive power in a electrical system other than loss (inductive &capacitive).I want to know its real physical significance.    0  200
1.main parts of generator? what is used A-check,B-check,C- check? 2.what is FM200 system in data centers? 3.difference between pac,ahu? tata   0  380
We have a 12MW power plant & we inject 5-6MW power to Orissa GRID. For this we have a 33KV/11KV switch yard having 12.5MVA power transformer. Some times we draw power during emergency. It is observed that during Export or Import for load less than 500Kw the power factor is decreasing to 0.3 . This is happening only during export or import. During island condition TG power factor OK.Our capacitor bank is provided with our Power plant auxilliary load. Please suggest how I can we improve our power factor during low load (GRID).    3  2198
How we can differniate the overhead lines feeded by hydro power stations & thermal power stations    1  950
Hi to all... I Want Weight Details of the alternator for making free power energy. me   0  314
what is meant by neutral Ct of a transformer and how it connected in transformer    2  8067
what is meant by differential protection of transformer    1  2809
what is the technical term when and alternator's prime mover fails. dvc   2  1331
how hydrogen cooled alternator undergo maintanence ? that is hydrogen when come in contact with air can result into explosions . dvc   0  286
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Un-Answered Questions
 
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What is the minimum underground tank size capacity considered for firefighting purpose? 333
How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults? 1150
what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ? 354
What the main causes of transient interruptions on Over-Head Distribution Lines? 399
when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one. 308
Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)? 2417
dear sir, i completed diploma in electrical in 2005, how i can get electrical supervisor liance in mumbai 199
diff b/w normal grounding and resistance grounding 237
Draw a SLD of DG distribution up to main LT panel? 4037
What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker 246
Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance. 689
Pl. give me checklist for installation & commissioning of machine tool. 523
Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me 299
1.how many earth pits are required for 1000 k.w plant include substion , transformer ? 2. how many earth pits are required for 500kva generator.what is formula to calcute? 906
how to design coil turns ? 318
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