om: Robert Macy
Subject: RE: EMC for automation & control - Electricity utilities (UNIPEDE )
Date: Wed, 31 Mar 1999 09:36:39 -0800 (PST)
To: Mike Hopkins
Cc: "'s_doug...@ecrm.com'" , pet...@foxboro.com.au,
emc-p...@majordomo.ieee.org
> IMHO the magnetic field
; Cc: emc-p...@majordomo.ieee.org
> Subject: RE: EMC for automation & control - Electricity utilities
> (UNIPEDE )
>
> Very interesting -- my father also worked for what was then New England
> Power and was a substation operator in Tewksbury, MA -- he also went to
> other
IMHO the magnetic fields go right through the watch case and either
disrupt what's going on or can even magnetize the parts. Either way, the
parts are like "stuck" together and the watch won't run well.
Also, my father could never wear a watch, a great gift watch always would
stop. The same watch
; From: s_doug...@ecrm.com [SMTP:s_doug...@ecrm.com]
> Sent: Tuesday, March 30, 1999 10:26 AM
> To: pet...@foxboro.com.au
> Cc: emc-p...@majordomo.ieee.org
> Subject: Re: EMC for automation & control - Electricity utilities
> (UNIPEDE)
>
> Peter,
>
> My father w
Peter,
My father worked for the electric utility for many years. There were times
he could take me with him to check on how a substation was working after
some maintenance or upgrade was performed. From direct experience I can
tell you that when you enter the substation building, you can quite oft
This issue has also been taken to IEC, to be a Generic standard
IEC 61000-6-5. It has been distributed as 77/215/CD.
In this draft the ESD has been corrected to 6 kV/8 kV for all.
Other requirements than the normal CE-requirements do apply.
You may want to contact your national IEC 77 committee to
6 matches
Mail list logo
