why we use core type and shell type transformers?

2 Answers  

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Dear sir, we are getting voltage fluctuations suddenly for 2 or 3 minutes again it becomes normal. we checked each and every connection some times we are getting 110 volts like that from earth to neutral again it is reducing we are getting supply from 45 kva DG set give earthing properly.

3 Answers   Triveni,

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how to decide choke rating for drive?

0 Answers   Reliance,

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If the ceiling fan is on slow speed, does it consume less electricity?

2 Answers  

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What is inverse definite minimum time lag relay? Where is it use?

0 Answers   TATA,

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why the AC or DC motor takes high starting current?

2 Answers  

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what is the diffrence between mcb &elcb?

2 Answers   Kahramaa, Synergy,

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why ht alternators gland plats using brass?

1 Answers   ONGC,

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What is the difference between bundled conductors and double circuit?

1 Answers   Power Grid,

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what is spadar bar .why I use in DC generator.

0 Answers   BSL,

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the problem faced on star or delta winding connection??

0 Answers  

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If single phase voltage level is 230V than why three phase voltage level is not 660V ?, but it is only 440V.

16 Answers   BSNL, DOS, EFS, HMT, L&T, TCS, ThyssenKrupp,

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