Re: Creepage/Clearance and Altitude

2010-03-03 Thread emc-p...@ieee.org
r > > -Original Message- > From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Richard > Nute > Sent: zaterdag 27 februari 2010 2:40 > To: Petrie, Craig D > Cc: emc-p...@ieee.org > Subject: Re: Creepage/Clearance and Altitude > > Hi Craig: > > >

RE: Creepage/Clearance and Altitude

2010-03-03 Thread emc-p...@ieee.org
Thanks to all who took the time to provide informative replies. Regards, Craig From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Petrie, Craig D Sent: 26 February 2010 12:13 To: emc-p...@ieee.org Subject: Creepage/Clearance and Altitude Hello

RE: Creepage/Clearance and Altitude

2010-03-01 Thread emc-p...@ieee.org
ulation surface. Best regards, Rich On 2/26/2010 04:12, Petrie, Craig D wrote: > Hello, > Can anyone tell me the link between creepage/clearance and altitude? Why > do these values need increased at greater altitudes? > Regards > Craig > *Craig D. P

Re: Creepage/Clearance and Altitude

2010-02-26 Thread emc-p...@ieee.org
On 2/26/2010 04:12, Petrie, Craig D wrote: > Hello, > Can anyone tell me the link between creepage/clearance and altitude? Why > do these values need increased at greater altitudes? > Regards > Craig > *Craig D. Petrie > **Pr

RE: Creepage/Clearance and Altitude

2010-02-26 Thread emc-p...@ieee.org
Craig & PSNet, For our purposes IEC 60664 series covers creepage and clearances. This set is a Basic Safety Publication within the IEC and must be properly applied in every higher level standard. They are not intended to be used of themselves, product committees must determine the implemen

Re: [PSES] Creepage/Clearance and Altitude

2010-02-26 Thread emc-p...@ieee.org
STSERV.IEEE.ORG List-Post: emc-pstc@listserv.ieee.org List-Post: emc-pstc@listserv.ieee.org List-Post: emc-pstc@listserv.ieee.org Date: 02/26/2010 07:49 AM Subject:Re: [PSES] Creepage/Clearance and Altitude Because it is the law - that is, Paschen&#

Re: Creepage/Clearance and Altitude

2010-02-26 Thread emc-p...@ieee.org
I always assumed that the lower pressures at increased altitudes led to lower breakdown voltages. -Ken A. On Fri, Feb 26, 2010 at 7:12 AM, Petrie, Craig D wrote: Hello, Can anyone tell me the link between creepage/clearance and altitude? Why do these

RE: Creepage/Clearance and Altitude

2010-02-26 Thread emc-p...@ieee.org
Because it is the law - that is, Paschen's Law. to quote Brother Grim, "Bwa-ha-ha-ha" Brian From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of Petrie, Craig D Sent: Friday, February 26, 2010 4:13 AM To: emc-p...@ieee.org Subject: Creepage/Clearance and Altitude Hel

Re: Creepage/Clearance and Altitude

2010-02-26 Thread emc-p...@ieee.org
In message <8783564a38f4f14d8a9f46ac2f296a3441df9...@sgbred210.corp.ncr.com>, dated Fri, 26 Feb 2010, "Petrie, Craig D" writes: >Can anyone tell me the link between creepage/clearance and altitude?  This may help: http://www.archive.org/stream/electricalbreakd031039mb

Creepage/Clearance and Altitude

2010-02-26 Thread emc-p...@ieee.org
Hello, Can anyone tell me the link between creepage/clearance and altitude? Why do these values need increased at greater altitudes? Regards Craig Craig D. Petrie Product Safety Engineer - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To