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03-05-2011, 06:41 PM   #1
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## Just Curious

Can I step up the amps output from a generator. I believe I can step up the voltage via a step up transformer but how about the amps?

03-05-2011, 07:08 PM   #2
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V=IR. The current you get depends on the voltage and the load. The transformer does not magically add power, so will not be able to get out more power than you put in.

 03-05-2011, 07:16 PM #3 Newbie   Join Date: Mar 2011 Location: High Desert Plains Posts: 3 Rewards Points: 10 Thanks for your reply. I have a generator that supplies 3500 watts at 115 volts and want to increase its output if possible. Can I not step up the power in some way as you can the voltage?

03-05-2011, 07:24 PM   #4
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Quote:
 Originally Posted by Traveler Can I step up the amps output from a generator. I believe I can step up the voltage via a step up transformer but how about the amps?
Power is power. If you feed a transformer with a certain power and the transformer is 100% efficient you will get the same power out.
Power = Voltage x Current. If the transformer is a 1:2 step-up, the output voltage will double and the current will be 1/2.

 The Following User Says Thank You to a7ecorsair For This Useful Post: Traveler (03-05-2011)
 03-05-2011, 08:35 PM #5 Member   Join Date: Feb 2010 Location: Oklahoma Posts: 992 Rewards Points: 506 Deleted. Last edited by jlmran; 03-05-2011 at 08:41 PM.
 03-05-2011, 10:03 PM #6 Member     Join Date: Mar 2005 Location: Welland, Ontario Posts: 12,587 Rewards Points: 11,966 Blog Entries: 11 The simple is NO YOU CAN NOT. If you need more watts you need a large generator.
03-05-2011, 10:21 PM   #7
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Quote:
 Originally Posted by Traveler Can I step up the amps output from a generator. I believe I can step up the voltage via a step up transformer but how about the amps?
Short and sweet answer is no due the generator wattage size that is your limit there.

That is the stumbling block there if you need more wattage you will have no choice but get larger generator unit.

Merci.
Marc
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The answer will be based on NEC ( National Electrical code ) or CEC ( Cananda Electrical code ) or ECF ( Electrique Code France )

03-06-2011, 02:07 AM   #8
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Thanks. I could not see any way except a bigger generator to get what I wanted. I just wanted to be certain.

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