If two generator running parallel, at that condition both ngr Taken in line or taken any one ngr, but why any one or both Ngr in line? Ngr is use for which purpose?

3 Answers  

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What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.

0 Answers  

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how 650 volts creates? where is use?

0 Answers   DCL,

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1> what r different types of fault in cables? How will u locate and test these faults? 2> why earth wire is provided on top throughout the transmission line. why not only on towers? How much area it can protect? 3> what r different types of transmission losses? How power loss can be minimized? 4> what is the % of power loss on transmission lines?

3 Answers   IOCL,

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why active power is called as real power or working component.What is the exact function of active, reactive & apperent power.

3 Answers  

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In CT,which terminal(s1,s2) need to be grounded?

2 Answers  

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why the genearation of electricity always in form of sine wave only ??? why not cosine wave ???

1 Answers  

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Write a note on RC operational amplifier as integrator

1 Answers  

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What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

0 Answers  

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A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.

0 Answers  

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How to do maintenance of transformer feeder.

0 Answers   KSEB, L&T, Siemens,

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230v AC & 230V DC which is more dengerous for getting a clectric shock between this two voltage?

5 Answers  

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