Rif: Re: Measuring AC Line Impedance

2002-11-06 Thread Paolo Peruzzi
...@selinc.com) about 'Measuring AC Line Impedance' on Tue, 5 Nov 2002: Part 1. This measurement will NOT give just the resistive part of the source impedance. Your post is so long that it is not clear what you are trying to correct. Also, by top-posting you make it more difficult to understand how your

Re: Measuring AC Line Impedance

2002-11-06 Thread Don_Borowski
-p...@majordomo.ieee.org To:emc-p...@majordomo.ieee.org cc: Subject:Re: Measuring AC Line Impedance I read in !emc-pstc that don_borow...@selinc.com wrote (in of32a3a512.366695dc-on88256c67.00802...@selinc.com) about 'Measuring AC Line Impedance' on Tue, 5 Nov 2002: Part 1

Re: Measuring AC Line Impedance

2002-11-05 Thread John Woodgate
I read in !emc-pstc that don_borow...@selinc.com wrote (in of32a3a512.366695dc-on88256c67.00802...@selinc.com) about 'Measuring AC Line Impedance' on Tue, 5 Nov 2002: Part 1. This measurement will NOT give just the resistive part of the source impedance. Your post is so long

RE: Measuring AC Line Impedance

2002-11-05 Thread HALL,KEN (HP-Roseville,ex1)
Hello, UL emc in Northbrook has the capoability http://www.ul.com/emc/ Regards, Ken Hall -Original Message- From: robert.s...@flextronics.com [mailto:robert.s...@flextronics.com] Sent: Tuesday, November 05, 2002 10:16 AM To: emc-p...@majordomo.ieee.org Subject: RE: Measuring AC

RE: Measuring AC Line Impedance

2002-11-05 Thread Robert . Seay
Does anyone know of a source of test equipment, purchase or rental, or a test house on the US east coast that can perform the click test described in CISPR 14? Thanks, Robert Seay Flextronics Compliance Labs 762 Park Avenue Youngsville, NC 27596 ---

RE: Measuring AC Line Impedance

2002-11-05 Thread Don_Borowski
...@majordomo.ieee.org cc: Subject:RE: Measuring AC Line Impedance Follow up Having just completed an ton of work on this using input I got around here (thanks to Don Borowski, Patrick Lawler, Joe Randolph and John Woodgate). I believe we have characterized the AC mains

RE: Measuring AC Line Impedance

2002-10-31 Thread Ralph McDiarmid
...@jmwa.demon.co.uk] Sent: Wednesday, October 30, 2002 11:30 AM To: emc-p...@majordomo.ieee.org Subject: Re: Measuring AC Line Impedance I read in !emc-pstc that Spencer, David H david.spen...@usa.xerox.com wrote (in 052106A55179D611B34300096BB02E3F8B94@USAMCMS4) about 'Measuring AC Line Impedance' on Wed, 30

Re: measuring AC line impedance (:-)

2002-10-31 Thread Ken Javor
I did that once. I had been measuring resistance and then needed to measure ac outlet potential, but forgot to change the meter knob position. Now I have a new meter. -- From: Ted Rook t...@crestaudio.com To: emc-p...@ieee.org Subject: measuring AC line impedance (:-) Date: Wed, Oct 30

measuring AC line impedance (:-)

2002-10-30 Thread Ted Rook
don't you stick the probes in the outlet with the knob set to 'OHMS'? (;o) sorry couldn't resist it. don't try this at home folks. --- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web

RE: Measuring AC Line Impedance

2002-10-30 Thread POWELL, DOUG
[mailto:david.spen...@usa.xerox.com] Sent: Wednesday, October 30, 2002 9:57 AM To: emc-p...@majordomo.ieee.org Subject: RE: Measuring AC Line Impedance Follow up Having just completed an ton of work on this using input I got around here (thanks to Don Borowski, Patrick Lawler, Joe

Re: Measuring AC Line Impedance

2002-10-30 Thread John Woodgate
I read in !emc-pstc that Robert Macy m...@california.com wrote (in 000801c28045$01fc35c0$b7775142@robertmacy) about 'Measuring AC Line Impedance' on Wed, 30 Oct 2002: Do you have the liberty to share your report - or details and results with the group? The results apply only to that particular

Re: Measuring AC Line Impedance

2002-10-30 Thread John Woodgate
I read in !emc-pstc that Spencer, David H david.spen...@usa.xerox.com wrote (in 052106A55179D611B34300096BB02E3F8B94@USAMCMS4) about 'Measuring AC Line Impedance' on Wed, 30 Oct 2002: Any comments or input would be welcome. It's how I do it. It comes as a surprise to some people

Re: Measuring AC Line Impedance

2002-10-30 Thread Robert Macy
, Suite 402 San Jose, CA 95112 - Original Message - From: Spencer, David H david.spen...@usa.xerox.com To: emc-p...@majordomo.ieee.org Sent: Wednesday, October 30, 2002 8:57 AM Subject: RE: Measuring AC Line Impedance Follow up Having just completed

RE: Measuring AC Line Impedance

2002-10-30 Thread Spencer, David H
. Any comments or input would be welcome. Thanks Regards David Spencer Xerox Corp. -Original Message- From: John Woodgate [mailto:j...@jmwa.demon.co.uk] Sent: Thursday, September 19, 2002 11:56 AM To: emc-p...@majordomo.ieee.org Subject: Re: Measuring AC Line Impedance I read in !emc

Re: Measuring AC Line Impedance

2002-09-20 Thread Don_Borowski
to John Woodgate j...@jmwa.demon.co.uk To: emc-p...@majordomo.ieee.org cc:(bcc: Don Borowski/SEL) Subject: Re: Measuring AC Line Impedance I read in !emc-pstc that Spencer, David H david.spen...@usa.xerox.com wrote (in 052106A55179D611B34300096BB02E3F8B1D@USAMCMS4) about 'Measuring AC Line

Re: Measuring AC Line Impedance

2002-09-20 Thread Don_Borowski
to John Woodgate j...@jmwa.demon.co.uk To: emc-p...@majordomo.ieee.org cc:(bcc: Don Borowski/SEL) Subject: Re: Measuring AC Line Impedance I read in !emc-pstc that Spencer, David H david.spen...@usa.xerox.com wrote (in 052106A55179D611B34300096BB02E3F8B1D@USAMCMS4) about 'Measuring AC Line

Re: Measuring AC Line Impedance

2002-09-19 Thread plawler
Hi Dave: I had the same question some time back, and came up with the following process. 1) For the resistive component, I applied a resistive load to the AC line, and calculated R = dV/dI 2) For the inductive component, I measured the transient current through an 'X' capacitor at the moment

Re: Measuring AC Line Impedance

2002-09-19 Thread JPR3
In a message dated 9/19/2002, you write: So far, I've taken a large resistive load and measured the voltage drop on the AC line. From that I calculated the total impedance of the AC line. However, as you may suspect, with a resistive load, the power factor is 1.0. So I can't vectorly,

Re: Measuring AC Line Impedance

2002-09-19 Thread John Woodgate
I read in !emc-pstc that Spencer, David H david.spen...@usa.xerox.com wrote (in 052106A55179D611B34300096BB02E3F8B1D@USAMCMS4) about 'Measuring AC Line Impedance' on Thu, 19 Sep 2002: Is anyone familiar with a method to measure and calculate those values. The generic values I have for short

Re: Measuring AC Line Impedance

2002-09-19 Thread JPR3
In a message dated 9/19/2002, you write: So far, I've taken a large resistive load and measured the voltage drop on the AC line. From that I calculated the total impedance of the AC line. However, as you may suspect, with a resistive load, the power factor is 1.0. So I can't vectorly,

Measuring AC Line Impedance

2002-09-19 Thread Spencer, David H
I'm trying to characterize the 50Hz AC line impedance of my facility, for comparison to the values specified in IEC61000-3-3. I've come across generic short circuit values for the Resistive and Inductive components. However, I need to determine exactly what these values are ideally through a