Answer / k.prakashchandra

The earth fault current is very less

Answer / mahesh sali

as per IEC norm the protection of 11 kv generator against
the earth fault current will be controlled by adding
external resistance between the star point of generator
winding & earth pits.
but for low voltage as per IEC has recommeded solidly
earthing system as per std.

Answer / j.karthik(cce)

In my company we are generally using NGR for the secondary
side (433Voltage) of the Transformer....

sir, in a industry present pf is 0.54 pf 25hp power is there its want improve 0.9 pf. which suitable capacity capacitor is suitable please inform me.

2 Answers  

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Single line diagram for dbb (double bus bar)system.

0 Answers   KSEB, L&T, Siemens,

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How will polarity test of Dy5 transformer ?

2 Answers   BSL,

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As per is what is distance between two chemical type earth pit

2 Answers   DAR, Dr Reddys,

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what is the relationship between horse power and watts

9 Answers  

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what is diff. b/w of earth & neutral?. why we are separately using ?

3 Answers  

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what is a lightning arrester???

12 Answers   ABB, NTPC,

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What are the details of ratings of different types of ACSR conductors?

2 Answers  

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What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

0 Answers  

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The power supplied to a 50mH inductor from a 120V, 60Hz source will be

0 Answers  

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what is the difference between star and delta connection ? when we use each one ?what is the best ?

14 Answers   Amara Raja, Daikin,

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what is the back ground of transformer working? applying voltage to primary and emf inducing in primary and secondary? how it is possible? please answer me with scientific approach?

5 Answers  

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