Author Topic: Voltage Multipliers keep destroying drivers  (Read 396 times)

Offline Andy Kay

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Voltage Multipliers keep destroying drivers
« on: June 06, 2018, 08:13:56 PM »
I've been playing with Cockcroft Walton and Marx configurations, and I've been running them from a 12V car battery in order to avoid getting high voltage spikes on my mains electrical system. I've used various kinds of devices for stepping up the 12V to provide a feed for the multiplier, such as CCFL inverters, ionizer circuits, and SS Tesla coil drivers, and every time the system works for a short time before the drive stage for the transformer primary coil burns out. Is there a standard way of dealing with this problem?

Offline FilipŠebík

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Re: Voltage Multipliers keep destroying drivers
« Reply #1 on: June 07, 2018, 04:43:07 PM »
Limit current or use 1:1 transformer as a protection for HV spikeback (if that's a thing, duh)

Online Mads Barnkob

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Re: Voltage Multipliers keep destroying drivers
« Reply #2 on: June 08, 2018, 09:14:22 AM »
It sounds like you have problems with either inductive kickback/EMF, lack coupling capacitor on the primary side of the transformer to avoid DC offset or you are saturating the transformer from high load and got no protection in the driver against transformer saturation.
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Re: Voltage Multipliers keep destroying drivers
« Reply #2 on: June 08, 2018, 09:14:22 AM »

 


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