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ZVS Driver purchased from Ebay Answered

ZVS Driver should not be heated on the copper part until you put something from metal inside the copper ring, but this ZVS Driver heated the copper part without to put anything inside the copper ring! I want to ask is this correct to heated the copper part without to put anything inside the copper ring? Fans do not stop, working all the time! It something wrong with this ZVS Driver?

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Orngrimm
Orngrimm

7 weeks ago

Generally, energy pumped thru a conductor will heat up the conductor. Thats Ohms law. And since your copper is not a superconductor, you WILL heat up the coil if powered.
Those chinese ZVS are not smart enough to use low power till the field collapses due to the metal put inside and THEN crank the power up.
Your item is quite powerfull... Thats why it comes with a copper TUBE and not with solid wire. You are supposed to supply a cooling thru the coil in the form of pumped deionised water. Deionised to have it non-conductive.

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Viktor Karadzhov
Viktor Karadzhov

Reply 7 weeks ago

What will happen if l left him to work all the time without to cooling down?

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Downunder35m
Downunder35m

7 weeks ago

Nice to see you enjoy my stolen design LOL
The guys in China copy whatever makes a few bucks :(
Check my old Instructable about this ZVS driver design.

You did not say what power supply you use, so I have no clue about your voltages and amps here.
Hot is relative here and if you have a half decent power supply than you certainly need to provide water cooling to your coil - there is a reason it is not just thick copper wire ;)
The drive is self resonant, so it won't care if you some steel in the coil or not - it uses a lot of power with nothing in it.
This goes up a bit with metal inside to be heated.
If you are serious about power use a coil made from thicker tubing and add a bit of PVC pipe, pump and water to keep things cool.
One or two turns more or less won't matter much here.