 Electrolytic capacitors for voltage multiplier
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Ash Small
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Registered Member #3414
Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
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When I conducted a 'feasibility study' into the region of hundreds of kV, I concluded that this pretty much requires a vacuum chamber, VMI glass diodes (military spec) and 'vacuum capacitors'..... I.E. capacitor plates in a vacuum chamber.....
These voltages are pretty much unmanagable under 'atmospheric' conditions.....
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Flachzange
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Registered Member #61569
Joined: Sat Apr 15 2017, 05:12PM
Location: Germany
Posts: 28
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@ Ash small
It is possible to generate theese voltages under atmospheric conditions, since a lot of devices in the MegaVolt range are operating worldwide.As impulse voltages are concerned these voltages go up to 7 MV.
We have a transformer for 800 kV, so more than 1MV peak.
Corona will be an issue but with the proper field distribution it should be possible to suppress it.
Now we have also started work on this generator. All the electrolytic capacitors are ordered, as well as the hardware.
The transformer is also finished:
The AC input voltage will be 100 kV (peak) at 5 kHz.
Each capacitor and diode will be used to 200 kV. The maximum voltage for these is 240 kV.
Each high voltage capacitor will have a capacitance of 78 nF which will be achieved by strings of 600 electrolytic capacitors of 47 uF 400 V.
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