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Fusor Power Supply

... kV 25 milli-amp negative supply; here is the finished unit at its max voltage of 32/33 kV. The high voltage is set using a variac, which is in ... switch) and a simple 'toggle' on/off high voltage enable switch for safety. The milliamp meter is a analog while the voltage gauge is, of course, ...
by Dennis P Brown
Sat Aug 06, 2016 2:13 pm
 
Forum: Images du Jour
Topic: Fusor Power Supply
Replies: 0
Views: 578

Re: High voltage Fusor grade x-former score (Temporary)

Finish all the safety work relative to the fusor power supply (that I can readily think of... for instance, ... sticker and key lock. Still have to finish the business (fusor) end of the high voltage cable. Have a ceramic section for that and will install that so the "hot end" ...
by Dennis P Brown
Sat Aug 06, 2016 2:09 pm
 
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: High voltage Fusor grade x-former score (Temporary)
Replies: 32
Views: 5188

Power Supply

... found this power supply: http://www.ebay.com/itm/Bertan-2554-2-High-Voltage-Power-Supply-0-30kV-0-400-uA-/272320666444?hash=item3f67939b4c:g:-i4AAOSwc1FXbgRy ... really high voltage supplies have one side of the supply grounded for safety and engineering reasons. I doubt you will ever find a totally ...
by Raumaan Kidwai
Mon Aug 01, 2016 8:35 am
 
Forum: New User Chat Area
Topic: Power Supply
Replies: 4
Views: 876

Re: Water as Neutron Shield

First, water around high voltage is safe but paraffin isn't because in the event of fire, it can burn? Sorry, ... doubt, the number one hazard I see with a fusor or a sim-fusor. Also, exactly what safety regulations are there for the average home fusor? Are you serious or forget this ...
by Dennis P Brown
Fri Jul 29, 2016 9:51 am
 
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Water as Neutron Shield
Replies: 17
Views: 3288

Re: High voltage Fusor grade x-former score (Temporary)

... happen would be my bridge would float and since I was monitoring the voltage, I'd catch that issue right away and not raise the variac further. ... The case for my PS was grounded (and yet, I overlooked an important safety issue. More on that at the end.) Experimental results: so, with 2.42 ...
by Dennis P Brown
Tue Jul 26, 2016 10:04 pm
 
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: High voltage Fusor grade x-former score (Temporary)
Replies: 32
Views: 5188

Re: Electron gun- what's wrong here?

... wiring the unit agrees with my nearly identical unit. And no, high voltage diodes do not work with std checkers but should work with that PS. ... test the diodes the old fashion way (explosion any one? Yes, I wear safety glass and assume the diodes will blow.) Aside: the picture looks like ...
by Dennis P Brown
Tue Jul 26, 2016 4:57 pm
 
Forum: Ion Gun Design and Construction (& FAQs)
Topic: Electron gun- what's wrong here?
Replies: 54
Views: 5277

Re: High voltage Fusor grade x-former score (Temporary)

... resistor. the shielded cable will carry the .1 or .2 volt DC level, noise free, to the meter. An NE-2 lamp across the resistor would be an added safety feature. If it lights, your shell is hot. Richard Hull
by Richard Hull
Wed Jul 20, 2016 1:09 am
 
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: High voltage Fusor grade x-former score (Temporary)
Replies: 32
Views: 5188

Re: High voltage Fusor grade x-former score (Temporary)

... the x-former's current output through an analog meter at the fusor high voltage input. This should work since the meter is isolated and with its ... are identical. If the milli-amp meter does fails, really no lost nor is safety compromised. I have enclosed a meter in a plastic housing and put ...
by Dennis P Brown
Tue Jul 19, 2016 9:31 am
 
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: High voltage Fusor grade x-former score (Temporary)
Replies: 32
Views: 5188

ADDITIONAL Sources of High Voltage Safety Info

I've read the FAQ here on high voltage safety, but I'm really interested in reading a lot more about high voltage safety before I turn on my HV ...
by Alexander Leverone
Sat Jul 16, 2016 8:20 pm
 
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: ADDITIONAL Sources of High Voltage Safety Info
Replies: 0
Views: 667

Re: safety and sercurity

... one builds their fusor and the type will determine what is safe. A low voltage plasma device made using metal and a proper vacuum safe window is ... equipment for the neutrons. This should answer the question about safety ... read the various FAQ's on the given topics here at the forum. ...
by Dennis P Brown
Fri Jul 15, 2016 2:58 pm
 
Forum: New User Chat Area
Topic: safety and sercurity
Replies: 2
Views: 1062
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