Answer / inder singh

step up transformer increase the voltage and decrease the current .

Answer / naushab alam

step up transformer used for increase voltage and decrease current ,mainly step up transformer used in transmission in long distance , it is economically transmission method.

We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

0 Answers   HAL,

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Is it necessary to seperate the DG earth grid with Electricity Board earth grid for protecting the DG set. if yes why?

2 Answers   BARC,

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How can we calculate No load and full load torque of electrical machines, i.e. motor or alternator?

1 Answers  

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If we feed 230V ac supply to a full wave rectifare, what & how much will be the out put voltage?

3 Answers  

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We have a 1275KVA existing Transformer in a power plant project. Customer want to get it test & confirm whether it is a Dyn1 Transformer or not. Pleae let me know how to test it.

1 Answers   Allied Group,

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for what purpose the star point is done in ct

0 Answers  

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why we are using the ac supply in domestic purpose why don't use dc supply

6 Answers   Airtel, SSIL,

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i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

0 Answers   MTDC,

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what is the actual difference betwen constructional details and constructional features?

2 Answers  

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why dc is used in control circuit for mv & hv switchgear instead of ac

0 Answers  

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What is thermal relay and how it is works in transformer please explain

2 Answers   Future Group,

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What are the advantages of thermal power plant?

0 Answers  

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