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4hv.org :: Forums :: High Voltage
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Long arc MOT

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Ambar
Tue Feb 27 2007, 11:16PM Print
Ambar Registered Member #549 Joined: Sun Feb 25 2007, 02:49AM
Location:
Posts: 11
I looked at in this site: “http://www.philer.de/design3/index.php? site=elec&secsite=misc” Long arcs of the MOT, with association of capacitors, already I also looked at some videos in the youtube.com that shows the MOT also associated with some capacitors, however I do not know if they are associates in parelelo or if they are in series. Somebody knows as to make this?
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ragnar
Wed Feb 28 2007, 12:52AM
ragnar Registered Member #63 Joined: Thu Feb 09 2006, 06:18AM
Location:
Posts: 1425
I think what he probably means is that he used microwave oven capacitors and the high voltage diodes (though some brands of MO capacitor do have an internal diode...) to make a voltage multiplier.
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Myke
Wed Feb 28 2007, 04:26AM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
If the capacitor is connected to the primary then it is in paralell with it. The capacitor decreases the current drawn but with the same output. The capacitor is called a PFC (power factor correction) capacitor and it makes the load seem more resistive than inductive. There are some calculators on the internet to find the PFC capacitor.
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Ambar
Wed Feb 28 2007, 09:42AM
Ambar Registered Member #549 Joined: Sun Feb 25 2007, 02:49AM
Location:
Posts: 11
debtor! wink
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Download
Sat Mar 03 2007, 04:39AM
Download Registered Member #561 Joined: Sat Mar 03 2007, 02:46AM
Location: Adelaide Australia
Posts: 230
i think he put lots of mot's to make a 20KVA arc
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Myke
Sat Mar 03 2007, 05:56AM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
He ethier uses the caps as a PFC cap or as a doubler with the diodes or both. And probibly a stack wink
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