How can we step up ac and dc ?

1 Answers  

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DEAR SIR, HOW TO CALCULATE WELDING TRANSFORMER CAPACITY IN KW OR KVA (POWER). TWO WELDING TRANSFORMER USED WHAT TYPE OF DG SET CAPACITY LIKE ( 45 KVA OR 62.5 KVA), PLEASE TELL THE WELDING TRANSFORMER RATEINGS. I AM REFINARY (TANKS WELDING) THANKING YOU

2 Answers  

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In DC while we mention the voltage we are using -48V but in case of AC we mention only 230V not -230V, why we using -48V not 48V

2 Answers  

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In Round type three phase transformer why the LV side is inner part and HV outer part in the design of transformer? why they cant be opposite?

2 Answers  

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What is the advantage and disadvantage of dry type transformer?

5 Answers   Bhel,

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At which time Synchronous generator act as a Synchronous Condenser?

4 Answers  

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what is Basic Engineering.,FEED and Detail Engineering with respect to Electrical Engineering.(Explain with Example)

1 Answers  

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If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?

0 Answers  

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ROC converges if pole and zero lies inside a) origin b) z=1 c) pole d) zero ? Explanation please? if ROC does not converges then?

0 Answers   CCP,

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What are the material used for inductance coil?

0 Answers  

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why we use separate earthing for two seprate machine??

1 Answers  

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What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

0 Answers   HCL,

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