why core is useful for a transformer ?and also in its operation ?

0 Answers  

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Why don't connect earth wire to elcb?if earth fault occur,how will detect it

1 Answers   TATA, Tata Communications, Telecommunications,

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what will happen if we double the input frequency of a transformer keeping the voltage constant?

6 Answers  

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single phase brower fan with control starter. *problem is when operate it.It will be trip.

1 Answers  

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In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

0 Answers  

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what are the stresses in circuit breakers ?

0 Answers  

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control wiring purpose,standards, ferrule code standard, interlock, schematic, symbol

1 Answers  

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what is the difference SCR & TRIAC?

13 Answers   TCS,

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What is slope...? Explain slope 1 and slope 2...?

0 Answers  

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What is CCTV System???Applications........

16 Answers   Emerson, Honeywell, Joyalukkas,

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relation between power station capacity and voltage level?

0 Answers  

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what do you mean by mf of energy meter & its formula?

4 Answers  

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