Search found 465 matches: +voltage +safety

Searched query: +voltage +safety

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: 5026

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: 3214

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: 10086

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: 10036

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: 8071

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: 15781

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 ...
by Dennis P Brown
Thu Sep 28, 2017 10:19 am
Forum: Images du Jour
Topic: First Plasma - Daniel Fajardo
Replies: 3
Views: 2241

Re: First Plasma - Daniel Fajardo

... is a very good start. Guess your next focus after increasing the voltage to a NST level will be to obtain a proper power supply for fusion. ... its own ground - not necessary, of course but I feel that is a good safety practice.) Of course, the standard star system with the fusor is always ...
by Finn Hammer
Mon Sep 18, 2017 3:27 pm
Forum: Images du Jour
Topic: Fusor progress, Finn Hammer
Replies: 25
Views: 8986

Fusor progress, Finn Hammer

... in star mode The viewport is pointed away from the operator The high voltage connection is guarded inside the machine chassis, which is grounded, for maximum safety. This is the state of my fusor at this time, 18-09-2017 Cheers, Finn Hammer
by Dennis P Brown
Fri Sep 15, 2017 11:03 am
Forum: Images du Jour
Topic: Archived - European Fusor
Replies: 22
Views: 11271

Re: Archived - European Fusor

... that normally one would not guess) and oil can provide a lot of safety margin in any system. The oil also allows less chance to have the high voltage jump to something that you are near or touching that would normally be safe ... . ...
by ian_krase
Sun Sep 10, 2017 9:28 am
Forum: Images du Jour
Topic: Plasma at Last!
Replies: 12
Views: 5592

Re: Plasma at Last!

... ones don't start reading until the beginning of nuclear war tier acute safety hazards and devolve from there. Also, do you have good voltage instrumentation? The flickering of the plasma can come along with very large (order ...