Answer / k.prakashchandra

Its huge metal body acts as ground

Answer / sandma

there is no necessity of grounding in the ships.It works on d.c.

what is the use of spherical metal balls attached on to the earth wire of transmission over head lines?

2 Answers  

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what is the difference between star and delta connection?

3 Answers  

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Explain what is rated speed?

0 Answers  

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what is draiv work

0 Answers  

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LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values

0 Answers  

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In a 132KV Grid Station where voltage level is 132KV, here,  why the rating of Surge arrests installed 120KV ? 

1 Answers  

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how many wires need to be bring to the motor if its star delta starter

5 Answers  

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WHEN THESE TRANSFORMERS WINDINS CONFIGURATION ARE USED? SPECIALLY EXPLAIN REGARDING STEP UP AND STEP DOWN KEEPING IN MIND.AND REGARDING LOAD ALSO. a.star to delta b.delta to star c.delta to delta d.star to star ALSO EXPLAIN WHY V USE 415/415 TRANSFORMERS IN TUBEWELLS?

1 Answers   ABB,

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I am an electrical power engineer and arranged power system for a data center, I installed MCB, ELCB and erthing system TN-C-S. But some times several ELCBs Disconnect circuits at the same time! what may be the reason? (the ELCBs are 25A ,30mA)

9 Answers  

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What is difference between stable and steady?

1 Answers  

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Why the colour of insulator is always is chocolate in colour?

3 Answers   Bhel,

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What are the different pre-commissioning tests that are performed on the distribution transformer, power cable and switchgear (11kv)?

1 Answers   Hitech, Reliance,

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