Search found 459 matches: +voltage +safety

Searched query: +voltage +safety

by Michael Bretti
Sun Mar 25, 2018 2:13 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: Helium-3 Fusor Thread
Replies: 15
Views: 7395

Re: Helium-3 Fusor Thread

... argon one would be awesome to see), the issue is mainly running proper voltage and currents for the reaction to occur and verifying He3-D fusion, with proper safety measures. The pictures in the referenced post from Phil Fostini do not show anything ...
by ian_krase
Thu Feb 15, 2018 7:18 am
Forum: FAQs: Fusor Construction & Operation
Topic: FAQ - Joining metals - A critical fusor construction element
Replies: 1
Views: 4018

Re: FAQ - Joining metals - A critical fusor construction element

... which will run you roughly 30 to 50 USD if I remember correctly. Harris Safety-Silv is probably good. You probably want to avoid cadmium, IMO. - ... brazing compound that contains titanium. This is how the best high voltage feedthroughs are made. Sadly, I don't know too much about this method. ...
by Samuel Low
Thu Jan 25, 2018 1:04 am
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: Has anyone used the Spellman X3000 50V-30kV 400uA Rev E7 24Vdc
Replies: 8
Views: 3847

Re: Has anyone used the Spellman X3000 50V-30kV 400uA Rev E7 24Vdc

... far as I understand it, the key variable in confining a good plasma is voltage since that sets up the strength for the electric field. Since current ... rating that is best suited for "wall plug" use without compromising on safety?
by Richard Hull
Sun Jan 07, 2018 3:58 pm
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: Matsusada Power Supply Cable
Replies: 12
Views: 5431

Re: Matsusada Power Supply Cable

... the tightly packed electronics in the all metal rack mount box. Once voltages soar to above 20kv in a power supply, modern safety codes demand a fully contained metal, grounding enclosure. The higher the voltage, the ...
by Richard Hull
Sat Dec 09, 2017 7:16 am
Forum: FAQs: Neutron - Radiation Detection
Topic: FAQ - X-rays, X-rays, X-rays....A tutorial
Replies: 0
Views: 3961

FAQ - X-rays, X-rays, X-rays....A tutorial

... are spread over a vast spectrum of energies from 0 eV to the maximum voltage applied to the X-ray source, i.e. 50,000 volts sent to an X-ray tube ... operation. Use the inverse-square law as your first line of defense and safety regarding any source of radiation. It is worth 3,000 lbs of lead shielding ...
by Dennis P Brown
Wed Dec 06, 2017 10:31 pm
Forum: Images du Jour
Topic: A nice Surplus item to make a Neutron Detector Power Supply
Replies: 6
Views: 2959

A nice Surplus item to make a Neutron Detector Power Supply

... parts, can be a steal having expensive items that do work.) If the high voltage x-former works (looks in good shape), that will just be a nice extra. ... (after I add a bleed resistor to that cap! Always try and think about safety - another important point for people new to HV systems; one careless ...
by Silviu Tamasdan
Fri Nov 10, 2017 3:03 pm
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: Criticize my HV supply design
Replies: 26
Views: 8992

Criticize my HV supply design

... or buying major components. Notably the HV transformer of adequate voltage and power specs. My aim is now to achieve a power supply that can ... acquired the habit of over-engineering things. This not only gives me a safety factor, but also allows me to upgrade stuff in place if I need higher ...
by Dennis P Brown
Mon Oct 30, 2017 5:11 pm
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: Precipitator power supplies?
Replies: 29
Views: 9133

Re: Precipitator power supplies?

... at 1 or up to 1.5 ma. If you get close/hit 2 ma, that will exceed that voltage convert's limits. Remember - the power rating of a device is an absolute ... not innocent bystanders to dangerous levels of radiation. So, that is a safety issue you must address now before you operate that power supply ...
by ian_krase
Wed Oct 11, 2017 10:55 pm
Forum: Vacuum Technology (& FAQs)
Topic: Silicone tubing with hose barbs OK to pull low vacuum?
Replies: 27
Views: 7241

Re: Silicone tubing with hose barbs OK to pull low vacuum?

... be able to run negative polarity with high current (5-50 mA) and high voltage (25-100 kV) at the same time. Please keep in mind that safety precautions for these very high voltages are much more stringent than those for lower ...
by Dennis P Brown
Tue Oct 10, 2017 11:48 am
Forum: Ion Gun Design and Construction (& FAQs)
Topic: tabletop neutron generator
Replies: 15
Views: 13233

Re: tabletop neutron generator

... which I am very happy to say, was very successful), my rather large voltage multiplier (VM) that I had built for it only reached 60 kV (still ... and see what this monster will give me. With a massive resistor (for safety) I will use this new VM for my accelerator; that is, if it can really ...