Re: [PSES] IEC 61000-3-2 Confusion

2017-10-16 Thread Ralph McDiarmid
I thought it was 15% duty cycle. Ralph McDiarmid Product Compliance Engineering Solar Business Schneider Electric From: James Pawson (U3C) [mailto:ja...@unit3compliance.co.uk] Sent: Monday, October 16, 2017 7:31 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] IEC 61000-3-2 Confusion Hi

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-16 Thread James Pawson (U3C)
To: EMC-PSTC@LISTSERV.IEEE.ORG <mailto:EMC-PSTC@LISTSERV.IEEE.ORG> Subject: Re: [PSES] IEC 61000-3-2 Confusion I agree that there appears to be a need for clarification, and I will take that up with the committee responsible. But for your particular case, what is critical is the nature of

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-16 Thread John Woodgate
* is that should be classified as professional equipment and exempted under Clause 7 but the IEV has 0 search for feelings. Thanks for your help James *From:*John Woodgate [mailto:j...@woodjohn.uk] *Sent:* 11 October 2017 16:49 *To:* EMC-PSTC@LISTSERV.IEEE.ORG *Subject:* Re: [PSES] IEC 61000-3-2 Confusion I

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-12 Thread John Woodgate
October 2017 16:49 *To:* EMC-PSTC@LISTSERV.IEEE.ORG *Subject:* Re: [PSES] IEC 61000-3-2 Confusion I agree that there appears to be a need for clarification, and I will take that up with the committee responsible. But for your particular case, what is critical is the nature of the 'triac control

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-12 Thread John Woodgate
wind turbine, since there is no physical wind on the Moon. I'll try to keep you informed on progress. James *From:*John Woodgate [mailto:j...@woodjohn.uk] *Sent:* 11 October 2017 22:21 *To:* EMC-PSTC@LISTSERV.IEEE.ORG *Subject:* Re: [PSES] IEC 61000-3-2 Confusion That isn't a 'condition

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-12 Thread James Pawson (U3C)
...@woodjohn.uk] Sent: 11 October 2017 22:21 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] IEC 61000-3-2 Confusion That isn't a 'condition'. The conditions are the items in the a-b-c list in 6.1. John Woodgate OOO-Own Opinions Only J M Woodgate and Associates www.woodjohn.uk <http://www.woodjohn

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread John Woodgate
y *feeling* is that should be classified as professional equipment and exempted under Clause 7 but the IEV has 0 search for feelings. Thanks for your help James *From:*John Woodgate [mailto:j...@woodjohn.uk] *Sent:* 11 October 2017 16:49 *To:* EMC-PSTC@LISTSERV.IEEE.ORG *Subject:* Re: [PSES] IEC

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread James Pawson (U3C)
d exempted under Clause 7 but the IEV has 0 search for feelings. >> >> Thanks for your help >> >> James >> >> *From:*John Woodgate [mailto:j...@woodjohn.uk] >> *Sent:* 11 October 2017 16:49 >> *To:* EMC-PSTC@LISTSERV.IEEE.ORG >> *Subject:* Re: [PSE

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread John Woodgate
s 0 search for feelings. Thanks for your help James *From:*John Woodgate [mailto:j...@woodjohn.uk] *Sent:* 11 October 2017 16:49 *To:* EMC-PSTC@LISTSERV.IEEE.ORG *Subject:* Re: [PSES] IEC 61000-3-2 Confusion I agree that there appears to be a need for clarification, and I will take that up with the

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread John Woodgate
<ralph.mcdiar...@schneider-electric.com>; EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] IEC 61000-3-2 Confusion 61000-3-2, -3, -11  and -12 do not have to be cited in the Generics; they apply independently. 61000-3-4 assumes a dedicated MV/LV transformer, but the product is only 3 kW, so one

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread Ralph McDiarmid
Schneider Electric From: John Woodgate [mailto:j...@woodjohn.uk] Sent: Wednesday, October 11, 2017 10:10 AM To: Ralph McDiarmid <ralph.mcdiar...@schneider-electric.com>; EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] IEC 61000-3-2 Confusion 61000-3-2, -3, -11  and -12 do not have to be

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread John Woodgate
Business Schneider Electric From: James Pawson (U3C) [mailto:ja...@unit3compliance.co.uk] Sent: Wednesday, October 11, 2017 9:08 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] IEC 61000-3-2 Confusion Hello John, It uses phase angle control hence the concern about the harmonics generated

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread Ralph McDiarmid
) [mailto:ja...@unit3compliance.co.uk] Sent: Wednesday, October 11, 2017 9:08 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] IEC 61000-3-2 Confusion Hello John, It uses phase angle control hence the concern about the harmonics generated. Manufacturer specs are single phase, 230V nominal, 3kW

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread John Woodgate
as professional equipment and exempted under Clause 7 but the IEV has 0 search for feelings. Thanks for your help James *From:*John Woodgate [mailto:j...@woodjohn.uk] *Sent:* 11 October 2017 16:49 *To:* EMC-PSTC@LISTSERV.IEEE.ORG *Subject:* Re: [PSES] IEC 61000-3-2 Confusion I agree

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread James Pawson (U3C)
be classified as professional equipment and exempted under Clause 7 but the IEV has 0 search for feelings. Thanks for your help James From: John Woodgate [mailto:j...@woodjohn.uk] Sent: 11 October 2017 16:49 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] IEC 61000-3-2 Confusion

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread John Woodgate
I should also have asked what the rated power actually is, and whether it's 1-phase or 3-phase? John Woodgate OOO-Own Opinions Only J M Woodgate and Associates www.woodjohn.uk Rayleigh, Essex UK On 2017-10-11 16:54, John Woodgate wrote: True, but it's a cumbersome procedure and is not

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread John Woodgate
True, but it's a cumbersome procedure and is not clearly enough indicated. I will try to get an improvement. John Woodgate OOO-Own Opinions Only J M Woodgate and Associates www.woodjohn.uk Rayleigh, Essex UK On 2017-10-11 15:59, Scott Aldous wrote: Hi James, The flowchart in Clause 7 in the

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread John Woodgate
I agree that there appears to be a need for clarification, and I will take that up with the committee responsible. But for your particular case, what is critical is the nature of the 'triac control'. Is it phase-angle control, or 'burst firing' or something else? John Woodgate OOO-Own

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread James Pawson (U3C)
: [PSES] IEC 61000-3-2 Confusion Hi James, The flowchart in Clause 7 in the version of the standard that I have access to sends you to Clause 4 for professional equipment that uses techniques not allowed by 6.1. The second paragraph of Clause 4 addresses professional equipment that does

Re: [PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread Scott Aldous
Hi James, The flowchart in Clause 7 in the version of the standard that I have access to sends you to Clause 4 for professional equipment that uses techniques not allowed by 6.1. The second paragraph of Clause 4 addresses professional equipment that does not comply with the requirements of the

[PSES] IEC 61000-3-2 Confusion

2017-10-11 Thread James Pawson (U3C)
Hi folks, I apologise as I seem to be all take and not much give on this forum at the moment; I'm trying to do a lot of learning very quickly. Someone ask a question about HDMI so that I can feel useful! Today's question is what appears to be a contradiction in IEC 61000-3-2:2014. *