| Author |
Message |
    
Håvard
Registered
Username: Soulvoid
Post Number: 20
Registered: 02-2007
| | Posted on Monday, April 30, 2007 - 01:50 am: | 
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Would it be possible to use a variac as the transformer? Would still need the rectifier and capacitor. However, the voltage would be adjustable. If I understand this correctly, the fuse on these things are kind of on the input, so the 4A fuse on mine would not blow until you pull 4A*220V, well over 800VA. |
Mike Richards
Registered
Username: Richards
Post Number: 113
Registered: 05-2006
| | Posted on Monday, April 30, 2007 - 08:31 pm: |
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I use a Variac and a transformer. The Variac adjusts the voltage to the transformer. When I find the voltage that works best for the circuit, I replace both the Variac and the transformer with a transformer of the proper size.
The danger with a Variac is that the input side and the output side are not really separate, which can and does cause major problems. |
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Power Supplies