what is the need of representing AC power in sinusoidal waveform? why not in square or rectangular etc...

8 Answers   Lanco,

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what happens when the transformer is connected to DC supply?

4 Answers  

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What is process of anneling transformer core

0 Answers  

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1)Why potential transformer primary site grounded? 2)can be loop between neutral & body for grounding? 3)What is the difference between ELCB &RCCB? 4)Why we use iron core in transformer insted of wooden core? 5)what is the principle of excitation? 6)Why we test the core balance test for transformer? 7)what is creepage?What is the creepage length for insulators at different voltages? 8)How much type of relays used for differential protection of generator,transformer & busbar protection?

5 Answers  

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Write the Name of 7 Birsrestho of Bangladesh with their designation

1 Answers  

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why 3 phase motors are preferable over single phase motors ?

4 Answers  

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What is the ideal position cooling fan inside the dc motor?

0 Answers   Kay Bouvet,

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we can use airconditioner for cooling the winding of transformer ,if not why?

3 Answers  

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Dear All, Pls let me know about ELR.... CBCT is using for singnal purpose... How it works.. any body can explain pls.......

4 Answers  

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WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

0 Answers   ACC,

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in the farm,water tank of 8000 litter capacity situated in 12 meter above.Farm owner want to lift 7000 litter of water within 7 minute to water tank of 12 meter above.which motor having HP rating is suitable for pumping??

1 Answers   ABB, Anchor, Havells, Keltron, KSEB, L&T, vguard,

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how calculate kva in to kw

1 Answers  

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