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AC-DC conversion

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xxiiiliv

RVF Regular
Joined
May 30, 2021
Messages
27
trying to determine watts. Are amps from ac-dc, directly or inversely proportional. I want to use a killawatt and figure dc usage. And will i still be able to use ohms law
 
trying to determine watts. Are amps from ac-dc, directly or inversely proportional. I want to use a killawatt and figure dc usage. And will i still be able to use ohms law
Not sure what you're getting at but Ohms law works regardless of voltage or current type. Just be aware that every time you run it through a converter (ac-dc) or inverter, (dc-ac) you loose power.
Depends on the efficiency of the equipment.
 
Best way is to measure with an amp meter. If you do this on both sides, you will also know what you converter efficiency is.
 
Right now, I’m plugged into house power. What is the math needed to determine how many dc watts I’m using, since i have all of the ac info
 

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