Answer / purushmallya

As per ES&D and Grid code for distribution transformer 3
earthings are mandatory one for neutral one for LA and one
for matallic parts like GOS

Answer / prashant

2NOS OF BODY EARTHINGS AND 1 NO OF NEUTRAL EARTHING

FURTHER MORE THE BODY EARTHS CAN BE INTERLINKED WHILE THE
NEUTARL HAS TO BE SEPARATE

why dc is not given to transformer

4 Answers  

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why 3 phase motors are preferable over single phase motors ?

6 Answers  

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what's the exact magnitude of current, flows through Neutral?

0 Answers  

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What is the field weakening mode of a ac motor?

1 Answers   L&T,

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Generally the incandescent lamps in bathrooms fuse due to high voltage at night.What is the simple solution of this problem?

4 Answers  

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How do we calculate transformer oil in liter from the rating of the transformer.

0 Answers   BARC,

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how do you select the ct/pt rating in substation

1 Answers   Apollo, Shreem Electric Ltd, Tata Motors,

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In the case of petrochemical area AC drive & AC motor is used where the speed variation is required. Why they are not Using DC drive & DC motors in such areas?

1 Answers  

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CAN ANYBODY EXPLAIN WHAT ACTUALLY MEAN BY THE PHASE DEFFRENCE? R,L,C CIRCUITS?

5 Answers  

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dear sir, How i calculate the 2 phase welding transformer power or kva?? kindly tell me....

2 Answers   Gedco,

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we have taken HV test of 2.5 k and Megger test on 11 kv HT cable.here it shows no fault but when we are charging the same cable with 11 kv supply why the VCB 11 kv gets tripped can anybody define the possible cause of fault ?

4 Answers   MAHINDRA,

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Is it possible that Generator trip but Turbine not trip.Give explanation.

1 Answers   Essar,

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