what will happen if the field and armature both are made to rotate in a synchronous machine ?

4 Answers  

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can d.c.transformer exist? if yes then what its max. rating?

6 Answers  

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What is the major differences between RCCB & ELCB? If we use ELCB of less sensitivity why does it trip often and can we control it from tripping?

1 Answers  

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Does the total power means fundamental plus Harmonics?

2 Answers  

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what is invertor supply and raw powersupply

0 Answers  

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For a 500 MVA 400/220/33KV transformer following data given HV power = 500 MVA IV power = 500 MVA LV power = 5 MVA If input power is 500 MVA then how output power is (500+5)MVA. Can anyone help

1 Answers   MEIL,

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what is mean by hvdc transmission technology .what is principle of hvdc transmission and technic of hvddc transmission .

1 Answers  

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yesterday i am using my laptop by plugging power supply also battery was working properly after while i unplugged AC power source ,using my battery i played car game (use much power) after that the battery finished the charge and it closed my PC. after that my battery not charge (when unplug automatically PC will turn off)

1 Answers   HPCL,

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what happen to a dc series motor if it given as ac supply accidentaly

2 Answers   ONGC,

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what is the similarity and difference between ups and inverter?

4 Answers   GMR,

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What is dry and wet flashover.

1 Answers  

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We have two 1 phase heating coils having same resistance of 25ohm, but during operation one takes 3A and other 6A Is it posiible Pls. explain

5 Answers   Bhel,

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