Re: MOV lightning arrestor in place of safety gap...MCOV?

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Gerald  Reynolds" <gerryreynolds@xxxxxxxxxxxxx>

Thankyou Jim,

If I never exceed 125KV on the HV side of the PIG,  are there any other 
ways to damage it short of heat and saturation related specs (KVA ratings, 
etc)???

Gerry R



> Original poster: Jim Lux <jimlux@xxxxxxxxxxxxx>
>
> At 02:39 PM 5/2/2005, you wrote:
> > Original poster: "Gerald  Reynolds" <gerryreynolds@xxxxxxxxxxxxx>
> >
> > Hi David,
> >
> > Do you or anyone else know the voltage level that pigs are overvoltage 
> > tested at???  My pic is 5KVA 14.4KV if that makes a difference.
> >
> > Gerry R.
>  ANd here you are:
> http://www.geindustrial.com/products/brochures/DEA-271-English.pdf
>
> Look at page 2, Conventional. 14400 primary voltage, 120/240 secondary.
> That's probably a 15kV voltage class, so the BIL would 125 kV.
> (granted, yours isn't a 100kVA)
>
> http://www.geindustrial.com/products/brochures/JVB-004.pdf is probably 
> more your style (residential).  14400 shows 125kV BIL
>
>
> http://www.geindustrial.com/cwc/products?pnlid=5&famid=42&catid=199&id=tr-resipole&lang=en_US
>
>
> If your transformer has a nameplate on it (and it should), the BIL rating 
> should be on there too.
>
>
> > > Original poster: "Harold Weiss" <hweiss@xxxxxxxxxx>
> > >
> > > CAUTION
> > > MOV arrestor installed.  Do not overvoltage test.
> > >
> > > So it seems that testing might trash them for lightning protection purposes.
> > >
> > > David E Weiss