Hi Ken -- Very interesting results! I'm glad to see that someone is actually checking out lab equipment and test procedures in the real world, instead of just looking for a consensus interpretation of the latest standard.
I hope you will be able to share your results with this forum when you have done some more testing. It should generate some (hopefully enlightening) discussion. Regards, John McBain [email protected] . From: Hall, Ken <[email protected]> To: <[email protected]> Cc: <[email protected]>; <[email protected]>; [email protected] <'[email protected]'>; <[email protected]>; <[email protected]>; <[email protected]> Sent: Friday, February 20, 2004 7:03 AM Subject: Harmonics and Flicker repeatability/reproducibility Round Robin > > > Hello, > > In the process of evaluating replacement equipment that meets the requirements of IEC 61000-3-2:2000/IEC61000-4-7 and IEC61000-3-3+A1/IEC61000-4-15, I put together a small Electronic Load based on an old HP/Agilent verification process. > > Circuit = Relayand bypass switch to Lamp Dimmer with 200W bulb across line connected to - 3 -Glocoils in parallel with 2 Glocoils to other side of line.Parts availiability limited voltage to 120V. > > Well , I gathered three vendors equipments, performed a bunch of tests, with the following results: > > Stationary Harmonics - All very Close > Fluctuating harmonics - All over the place > Flicker,- With Lamp Dimmer and 200W Bulb - Large differences between Test Equipment, consistently the same. > > Since these results are all over the place I would like to set up a quick Round-Robin in the Sacramento/Bay Area , CA the first week of March. For scheduling I would bring the unit around to the Test laboratories with different Test Equipment that meets the "NEW" requirements and then schedule the others. > > Tests would consist of : > > Stationary Harmonics > Fluctuating Harmonics > Flicker with Dimmer and bulb - 10 Min > Flicker without - 10 Min > > > Thanks, > > Ken Hall > Hewlett Packard > 916-785-4819 > > > > > > ------------------------------------------- > This message is from the IEEE EMC Society Product Safety > Technical Committee emc-pstc discussion list. > > Visit our web site at: http://www.ieee-pses.org/ > > To cancel your subscription, send mail to: > [email protected] > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Ron Pickard: [email protected] > Dave Heald: [email protected] > > For policy questions, send mail to: > Richard Nute: [email protected] > Jim Bacher: [email protected] > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieeecommunities.org/emc-pstc This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ieee-pses.org/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
