Search found 481 matches: +voltage +safety

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Re: Power Costs

... the load demands. In this case a total of 10uf @ 80kv (for a margin of safety) A large choke or huge current limiter resistor with a rating of at ... his old supply from a junk yard and killing himself with it. A high voltage, high current supply which would be of a modern switcher type with ...
by Richard Hull
Thu Jul 11, 2002 2:47 pm
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: Power Costs
Replies: 3
Views: 2099

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 Richard Hull
Thu Jun 27, 2002 3:36 pm
Forum: FAQs: High Voltage
Topic: FAQ: Measuring Fusor Current
Replies: 2
Views: 3437

Re: HV transformers

Mark: A lot of our surfing buddies out there are voltage virgins. You have to spell it out for them. Fuses would probably would ... out 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 a ...
by guest
Mon Jun 24, 2002 1:33 pm
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: HV transformers
Replies: 10
Views: 3506


... advice for all who would work with a fusor. Fusor's all require high voltage at moderate to high currents inorder to function. At any voltage, ... from casual or accidental contact by anyone coming near the device. Safety interlocks, key switch operation, remote disconnect fail-safes are ...
by Richard Hull
Fri Jun 21, 2002 4:18 am
Forum: High Voltage - Fusor Input Power (& FAQs)
Replies: 2
Views: 2037

Re: HV Meter Tutorial

Couple of Safety points here. 1. When using analog meters for HV measurements, it is always a good ... 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 DaveC
Sun May 05, 2002 5:50 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: HV Meter tutorial
Replies: 5
Views: 1652

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 Richard Hull
Mon Apr 01, 2002 6:30 am
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Scintillator tests
Replies: 11
Views: 2480

Re: Attension Walmart Shoppers-cheap hv supplies

... to make, just take a bunch of diodes count them and divide the desired 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
Thu Feb 07, 2002 9:20 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Attension Walmart Shoppers-cheap hv supplies
Replies: 6
Views: 1914

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
Wed Feb 06, 2002 3:24 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: Helium 3 gas pricing-gas handling
Replies: 9
Views: 2772

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...
by guest
Mon Jan 28, 2002 3:34 pm
Forum: Announcements and Administration Archive
Topic: creation of a newbie welcome center
Replies: 10
Views: 1691

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

... of nuclear items ... breeding blanket... system ect. This first design will be bare with out a blanket for boosting ... we need. 3.88e14 =i^3 i = 6.52E4 Amps To find watts multiply by the voltage say 10 kev and the 6.52E4 amps to get wattage required. It comes ...
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: 2174

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