Please tell me what is the difference between online UPS & OFF line UPS?

2 Answers   HAL,

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two bulbs of 100w and 40w respectively connected in paralel across a 230v supply.which bulb will glow bright and why?

4 Answers  

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why the rotor current becomes in steady state during high slip region? please verify with equations.

0 Answers  

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What is IDMT? What is the principle

3 Answers  

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1.what type of wave is produced from i.online ups ii.offline ups iii.inverter.why don't we use inverter instant of offline ups for computer,what's the reason?

2 Answers  

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what is pulverisation

2 Answers  

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How capacitor connect in 3 phase supply???

1 Answers   L&T,

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when conductor rotates in varying magnetic field the emf will induced in it and it is sinusoidal in nature ...? Why it is not in square wave and rectangular wave in nature?

4 Answers  

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in a distribution board,if we have a load and we have selected a cable after making all calcs (Deratings and V.D , ect...) the cable we have selected was 10mm.sq. now, shall the internal cable inside the switchboard should be 10 mm.sq Like the external or it can be Less???? if somebody have an specs or information he can help D:

1 Answers  

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what is the role of MPU in DG set

1 Answers   Weltech Engineering,

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describe the Tranformer testing procedure

0 Answers  

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what is the working principle of a DG Set, Alternator, & exiter

0 Answers  

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