On 6/28/12 12:34 PM, MICHAEL HARDY wrote:
The rating is excellent for a pair in series. Problem is they are 1PPS. Anyone out there with a better knowledge of using them at lower voltages (pig powered 14.4 kV) think they'd hold up in TC use?
http://home.earthlink.net/~jimlux/hv/caplife.htm has your answers.. Let's assume Q is the same.. life goes as the 7.5 power of voltage.. 2 in series is 100kV your pig is 14.4kV RMS so about 20kV peak, or a factor of 5.So life will be increased by 5^7.5 or about 175,000... (you can see why NOT to overvolt your caps)..
the 1pps series typically has a shot life of 1E5 shots. with the lower voltage, you're looking at 1.75E10 "bangs"
You burn those shots at 120 pps, so divide by 120 and you get lots and lots of seconds of run time (about 40,000 HOURS)...
You would want to check the voltage reversal. If they were rated for 20% VR (Q=1.4) and you now are at 80-90% VR (Q=10-15). That's a factor of 4^1.6 reduction... big, but not huge.. run time from 40,000 hours down to something like a few thousand hours.
That's a lot of TC running, unless you're in a commercial installation. ----- Original Message ----- From: "Carl Noggle" <cn@xxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx> Sent: Wednesday, June 27, 2012 11:59 AM Subject: [TCML] Maxwell caps, 0.22uF @ 50kV, P/N 31160. Two available.Hello-- I have two Maxwell caps, 0.22uF @ 50kV, P/N 31160 for sale, $150.00 each. Shipping from Tucson, AZ is about $25.00. These caps have been properly cared for, stored vertically at moderate temperatures. Write off-list for a picture and other details. Thank you--- Carl_______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla
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