Answer / muninanjappa p n

both the neutrals are to be kept open, works as floating
Neutral, othrwise heavy horminic currents will circulate
and cuase the winding heated up.

What is IGBT?Where it is used? What is the difference between IGBT and Thyristor?

5 Answers   AC, Formo Plastic, HBL Power Systems, SECL,

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WHY EXCITATION OF SYNCHRONOUS MACHINE IS DC NOT AC

8 Answers   NTPC,

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give information about REM5453 & SPAJ Relays

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What is the disadventage of gland earthing(power cable) if any. ?

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In Plug used in house,Why Earth of the plug more thicker & deeper?

8 Answers   L&T,

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calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.

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What is the gain of 1-s/1=s at 1 rad/sec?

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Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

0 Answers  

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what are the standard values for resistances(Megger testing) between L&N, L&E and N&E (L=Live,N=Neutral, E=Earth)?

1 Answers   CESU,

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1 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?

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What is the difference between MCCB & ACB Where it can be used

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what is vcb & working principal

4 Answers   JLL,

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