Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

0 Answers   Siemens,

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In 3phase supply Voltage will come around 370v then what will happen?(mean what will effect on electrical equipment like AC,UPS,Motors.)

1 Answers   NTPC,

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how the transformer stables out zone faults? Because we use non directional O/C relays .Is there any special considerations are taking into account to overtake this?

1 Answers  

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where we sense the fault from the transmission lines?any operation example for distance relay?rear panel connection for this relay?

1 Answers  

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4.In which type of welding is a pool of molten metal used.....

3 Answers   ISRO, SSC, Vizag Steel,

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why we use end termination xlpe cable on ht kit

1 Answers   Al Bario,

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i want to know how to calculate the battery capacity based on the UPS . ex i want to run have one kva UPS Which should run 10 hours ? in that case how many batteries to be installed and what will be the AH Value .

2 Answers  

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Why the high starting current does not harm the low capacity induction motor?

1 Answers  

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State how to produce a constant rotating field by application of alternating currents to stator armature of a three-phase squirrel-cage induction motor

0 Answers   Jindal,

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what is difference between c-power & u-power air circuit breaker?

2 Answers   Areva, IIT, Marine Electricals,

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what is the difference between Earth and neutral? and what is the difference between ground earthing and neutral earthing?

2 Answers  

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what is the chemical reaction of solt and charcoal in earthing?

1 Answers   Shyam Group,

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