Re: Large Transformer Question (fwd)

To: tesla-at-pupman-dot-com
Subject: Re: Large Transformer Question (fwd)
From: Tesla List <mod1-at-pupman-dot-com>
Date: Thu, 12 Feb 1998 22:25:54 -0700 (MST)
Approved: mod1-at-pupman-dot-com



---------- Forwarded message ----------
Date: Thu, 12 Feb 1998 10:11:26 -0800
From: Jim Lux <jimlux-at-earthlink-dot-net>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: Large Transformer Question



----------
> From: Tesla List <tesla-at-pupman-dot-com>
> To: 'Tesla List' <tesla-at-pupman-dot-com>
> Subject: Large Transformer Question
> Date: Wednesday, February 11, 1998 7:02 PM
> 
> 
> ----------
> From:  Joshua Resnick [SMTP:seraphim-at-WPI.EDU]
> Sent:  Wednesday, February 11, 1998 9:51 AM
> To:  Tesla List
> Subject:  Large Transformer Question
> 
> List,
>     I have two H&R 5Kv xfmrs being used in series for my primary.  I
> have not turned my coil on yet but they work great (cap testing)
> without tapping the connection between the two secondaries to ground.
> Some have said they have connected this to ground and others said they
> have not.  I was wondering what advantage , if any, comes from grounding
> this center connection.
Advantage #1: If you ground the "center tap" then the voltage between the
winding and the core cannot go above the output voltage, and hence, not
destroy the insulation.