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*To*: tesla-at-pupman-dot-com*Subject*: Re: Calculating unequal cap strings.*From*: "Tesla list" <tesla-at-pupman-dot-com>*Date*: Sat, 12 May 2001 16:47:50 -0600*In-Reply-To*: <72.a92e968.282ef5c5-at-aol-dot-com>*Resent-Date*: Sat, 12 May 2001 16:48:42 -0600*Resent-From*: tesla-at-pupman-dot-com*Resent-Message-ID*: <B0ldLD.A.cLC.F3b_6-at-poodle>*Resent-Sender*: tesla-request-at-pupman-dot-com

Original poster: "Terry Fritz" <twftesla-at-uswest-dot-net> Hi Jonathon Reinhart, The other one on the list spells it "Jonathan" with another "a" in it ;-)) I get an LTR value of 17 - 19nF. The RMS current is 5.5 amps so two strings would be best. I am not sure how much current the CD caps can handle so I'll play it safe and assume two strings. 2 x 11 would give 18.18nF which is perfect at about $40. The current and voltage will be well above what is needed and the value is right on. I am not sure if anyone knows the RMS current rating of these caps? Maybe it is in the CD specs. If not, I will try to get hold of one and test it. If anyone has a spare, I would be happy to pay for it and shipping. I just need one to run current through to measure the temperature rise. Cheers, Terry terrellf-at-qwest-dot-net At 04:23 PM 5/12/2001 -0400, you wrote: >Ok, this is going to make this confusing, cause I'm the "other" Jonathon, >but... :-) > >I am still trying to decide on an MMC, >I've got a 12/60, and the peak voltage is about 17,000 V so I'll need 9 of >the CD caps. >now, LTR is about .025uf. Nine of the .15 caps would be .0167uf which is too >low. Going for the best capacitance for lowest cost, how would 2 * 9 of the >.1 uf sound for .022uf at $32.40? > >Then I had another idea. could you have one string of the .1's and another >string of the .15's? It would be .0278uf at $36.45..... can you mix the >capacitances? > >Confused as always, >--------------------------------------- >Jonathon Reinhart >hometown.aol-dot-com/kidd6488/tesla_main.html >

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