Re: Oil insulated secondaries (fwd) (Are they worth it?) (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Tue, 11 Sep 2007 09:08:11 -0700
From: Jim Lux <jimlux@xxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Oil insulated secondaries (fwd) (Are they worth it?) (fwd)

Tesla list wrote:
> ---------- Forwarded message ----------
> Date: Tue, 11 Sep 2007 03:38:53 -0700 (PDT)
> From: Yurtle Turtle <yurtle_t@xxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: Re: Oil insulated secondaries (fwd) (Are they worth it?) (fwd)
> 
> I just checked my cutsheet and I stand corrected. I've
> always referred to my two 25 kV 125 kV BIL PT's as
> "epoxy encapsulated" when in fact they're
> "polyurethane resin encapsulated".
> 
> Let me restate my question...
> 
> Why not build the oil-filled secondary, but instead of
> filling it with oil, encapsulate it with "polyurethane
> resin"?
> 
> Adam
> 
> 
Oil is used for two reasons:
1) Repairability (you can pull the stuff out of the oil.. messy, but 
cleanable, and possible to get it done)
2) Cooling (by convection and circulation of the oil)