Answer / rajalakshmi

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What core magnetic balance test of transformer? How to do this test in a three phase Star delta (star-LV, Delta-HV) transformer? How to measure and where to measure? thanks and regards Austin

22 Answers   Neutech, Power Grid, TSSPDCL,

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Is it true that IPT are more accurate than CVT for Measuring purpose?

2 Answers  

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what is the length of air terminal in lightening arrester system.

1 Answers  

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sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.

4 Answers   ISRO, Power Grid,

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In Battery Charger - What is the meaning of End Cell Voltage and Float Voltage.

9 Answers   FLSmidth, Focus, PSEB,

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What is an iron loss or core loss pi?

0 Answers  

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Is it possible to connect a safety device in to parallel?

0 Answers   Jones Lang LaSalle,

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what is the difference between electrical & electronics?

4 Answers   JSW,

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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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What is the In door to Out door Sub Station.

5 Answers   L&T,

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What is reason of rating of transmission line multi pal of 11 like as 11/33/66/220 ? Why not use 75 kv 23 kv line in power system ?

1 Answers   Apollo, Balco, Bhel, Vardhman,

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Hi How can you start-up the 40w tube lite with 230v AC/DC without using any choke/Coil.

5 Answers  

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