Re: RE- Secondary wire & insu
Subject: Re: RE- Secondary wire & insu
Date: Fri, 6 Jun 1997 18:07:40 +1200
From: "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
Organization: Wellington Polytechnic, NZ
Hi Robert, all,
> From: robert.michaels-at-online.sme-dot-org (Robert Michaels)
> Organization: Society of Manufacturing Engineers
> To: tesla-at-pupman-dot-com
> -- To compare wire enamels of 1907 (or whenever) to those of
> 1997 is truly to compare persimmons and mangos.
> "Back then" they were little more than furniture
> varnish, their high-frequency electrical characteristics
> were ...?!?!?. Today, wire enamels are specially
> designed and formulated for optimal electrical
> characteristics; it's a whole technology in itself.
> -- In all but the highest powered Tesla coils, the volts-per-
> turn of the secondary is apt to be below the breakdown
> voltage of the wire enamel.
Hear hear I say. I have tested 1mm Cu diameter polythermaleze coated
wire to withstand in excess of 8kVDC for short periods between
adjacent wires. I would say at least 3kV/turn with this insulation
thickness would be a go for TCs. Only high powered coils would come
close to taxing this.