Search found 520 matches: +voltage +safety

Searched query: +voltage +safety

by Richard Hull
Thu Jun 27, 2002 3:36 pm
Forum: FAQs: High Voltage
Topic: FAQ: Measuring Fusor Current
Replies: 2
Views: 4276

FAQ: Measuring Fusor Current

... like a neon sign transformer with two rectifiers for fullwave, half voltage rectification, you MUST NOT ground the case directly, but instead ... level system. Reading the system current in a manner which retains full safety grounding is ultra important. Farnsworth's team at ITT measured their ...
by guest
Mon Jun 24, 2002 1:33 pm
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: HV transformers
Replies: 10
Views: 4240

Re: HV transformers

<t>Mark:<br/> <br/> A lot of our surfing buddies out there are voltage virgins. You have to spell it out for them. Fuses would probably would ... the hazard. But the setup of a mini substation would take conciderable safety measures. I plan to enclose my capacitor bank and high voltage behind ...
by Richard Hull
Fri Jun 21, 2002 4:18 am
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: SAFETY FIRST !!
Replies: 2
Views: 2594

SAFETY FIRST !!

... all who would work with a fusor.<br/> <br/> Fusor's all require high voltage at moderate to high currents inorder to function. At any voltage, ... or accidental contact by anyone coming near the device.<br/> <br/> Safety interlocks, key switch operation, remote disconnect fail-safes are ...
by DaveC
Sun May 05, 2002 5:50 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: HV Meter tutorial
Replies: 5
Views: 2282

Re: HV Meter Tutorial

<t>Couple of Safety points here. <br/> 1. When using analog meters for HV measurements, it is always ... across the meter terminals. The MOV is essentially an open circuit below its breakdown voltage and a reasonably low resistance to voltages above its breakdown value. This will ...
by Richard Hull
Mon Apr 01, 2002 6:30 am
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Scintillator tests
Replies: 11
Views: 3712

Scintillator tests

... This consists of an EMI PMT with mated preamp and dynode string. The voltage applied was +900 volts from a precision Tennelec NIM regulated HV ... and the knownledge to construct such a device. Most of all, the safety concerns are severe and slipups by rank amateurs can result in crippling, ...
by guest
Thu Feb 07, 2002 9:20 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Attension Walmart Shoppers-cheap hv supplies
Replies: 6
Views: 2576

Re: Attension Walmart Shoppers-cheap hv supplies

... just take a bunch of diodes count them and divide the desired<br/> voltage by the number of diodes. Make sure that you have a twenty percent or more safety margin on the rated voltage. The board must be a fiberglass resin boards like aircraft ...
by guest
Wed Feb 06, 2002 3:24 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: Helium 3 gas pricing-gas handling
Replies: 9
Views: 3732

Re: safety (Boron)

... when it was in vogue as a potential high energy rocket fuel. Read the safety data and it will curl your hair. It is deadly stuff. I don't know ... reaction are for the very far future. I'm not even mentioning the voltage required for a measurable reaction rate. The Wisconsin D-3H3 fusor ...
by guest
Mon Jan 28, 2002 3:34 pm
Forum: Announcements and Administration Archive
Topic: creation of a newbie welcome center
Replies: 10
Views: 2509

Re: creation of a newbie welcome center

I think some links to basic and not-so basic vacuum technology would be good for newcomers, as well as a couple of high voltage links, and a healthy dose of safety thrown in for good measure.
That's my 0.02 worth...
JIm
by guest
Sun Dec 30, 2001 7:46 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Pulsed Fusor #3: Case Study of a 1HP Fusor
Replies: 5
Views: 2915

Pulsed Fusor #3: Case Study of a 1HP Fusor

... of nuclear items ... breeding blanket... system cooling...shielding....safety ect.<br/> This first design will be bare with out a blanket for boosting ... <br/> i = 6.52E4 Amps<br/> <br/> To find watts multiply by the voltage say 10 kev and the 6.52E4 amps to get wattage required.<br/> <br/> ...
by DaveC
Thu Jul 05, 2001 3:54 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: power supply
Replies: 12
Views: 4653

Re: power supply

... to 360 Hz ripple which is much easier to filter. The unfiltered ripple voltage for three phase is only about 13.4% of peak voltage (100 - 86.6) ... be too serious. You would no doubt need a good shielded enclosure, for safety, anyway.<br/> <br/> The only issue on frequency that comes to mind ...