Re: Maxwell AC vs. DC ratings

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> 


35 kV is the DC pulse duty rating.  On 60 Hz AC you divide 35 kV / 3 =
11.67 kV AC rating.  This so close to 12 kV Erms that you can safely use
them with you 12 kV NST.

Both Maxwell and PCI use a 3:1 DC to AC rating for their pulse caps.

Dr. Resonance

Resonance Research Corporation
E11870 Shadylane Rd.
Baraboo   WI   53913

 > >Hi All,
 > >Although we commonly use DC ratings as AC ratings in MMCs, I was
wondering
 > >about commercial caps like the Maxwell 37667.  We are running about 60Hz
 > >AC across them and they probably have far fewer caps in series internally
 > >than an MMC.  They are rated for "35 kV".  I was wondering what people
 > >thought about the voltage they should be run at for Tesla coil use?
 > >I would guess that 15kV RMS or 21kV peak ( 42kV peak-to-peak) would be
ok?
 > >Cheers,
 > >     Terry