On Thu, 7 Jul 2022 14:19:34 +,
"Paasche, Dieter" wrote:
> Is there a requirement to test harmonics in Japan to obtain VCCI on an ITE
> equipment.
> There is a JIS C 61000-3-2 standard, but it is required by VCCI?
No, it it not required by VCCI.
Compliance w
Hi,
Is there a requirement to test harmonics in Japan to obtain VCCI on an ITE
equipment. There is a JIS C 61000-3-2 standard, but it is required by VCCI? If
yes, I assume it is been tested to Japanese voltage.
Sincerely,
[img]
Dieter Paasche
Senior Product Developer
Electrical / EMC
apps could be used).
John. E Allen
W.London, UK.
-Original Message-
From: Ralph McDiarmid [mailto:ralph.mcdiar...@schneider-electric.com]
Sent: 31 December 2017 20:53
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] CI Software Flicker/Harmonics
That’s what we do here, when need
That’s what we do here, when needed.
Ralph McDiarmid
Product Compliance
Engineering
Solar Business
Schneider Electric
From: Pat Lawler [mailto:plawl...@gmail.com]
Sent: Thursday, December 21, 2017 6:18 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] CI Software Flicker/Harmonics
Hi
o here is my request. Does anyone out there have another solution that
makes better sense? How about a modern A/D system that is compatible with
the CI PACS and 3rd party software that will run on the latest PC and
operating system (Win 10)??
Has anyone attempted to write their own software t
Woodgate [mailto:j...@woodjohn.uk]
*Sent:* Thursday, December 21, 2017 11:09 AM
*To:* Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
*Subject:* Re: [PSES] CI Software Flicker/Harmonics
I asked Mathieu van den Bergh of CNS, who knows about this in depth.
Here is his response, which I have permission
Sorry, I forgot about the attachments. I think the best way to go is for
anyone who wants them to ask Mathieu by email.
John Woodgate OOO-Own Opinions Only
J M Woodgate and Associates www.woodjohn.uk
Rayleigh, Essex UK
On 2017-12-21 16:08, John Woodgate wrote:
I asked Mathieu van den Bergh
oes anyone out there have another solution that makes
better sense? How about a modern A/D system that is compatible with the CI
PACS and 3rd party software that will run on the latest PC and operating system
(Win 10)??
Has anyone attempted to write their own software to do harmonics a
Both VMWare and college CS/engineering intern are good recommendations in
my opinion.
Here's a MATLAB code sample for the DIY 61000-4-7 route (not checked for
correctness, but see the 'Functions' tab):
https://www.mathworks.com/matlabcentral/fileexchange/43496-iec-61000-4-7-for-harmonics
@LISTSERV.IEEE.ORG
Subject: Re: [PSES] CI Software Flicker/Harmonics
SECOND RESPONSE
I see you asked about writing software. The math involved in IEC 61000-4-7 and
IEC 61000-4-15 is incredibly complicated. Of course, it could be re-coded, but
it would be a major undertaking. The Block 5 math of 61000
Another option is run Win98 in a VMware and run the test software from
there. You can download VMware for free, and if it works out for you, you
can pay the $50 commercial license fee.
You can run the VMware image from a system that IT can support. And yes,
you can talk to the ports from a VMware
/Harmonics
Watch out! We'll get someone from Yorkshire saying that they still have to use
QDOS. :-)
-
This message is from the IEEE Product Safety Engineering Society emc-pstc
discussion list. To post a message to the list
s
Schneider Electric
-Original Message-
From: Kunde, Brian [mailto:brian_ku...@lecotc.com]
Sent: Wednesday, December 20, 2017 1:14 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] CI Software Flicker/Harmonics
It will be difficult for me to ask what I want without insulting California
Instru
ve another solution
that makes better sense? How about a modern A/D system that is
compatible with the CI PACS and 3rd party software that will run on
the latest PC and operating system (Win 10)??
Has anyone attempted to write their own software to do harmonics and
flicker? It seems complicated fr
I'm awaiting a heart bypass operation in a long-term hotel chain's local
facility, and they're still using a VT-520 terminal.
If it ain't broke – it'll never break.
Cortland Richmond
On 12/20/2017 4:23 PM, James Pawson (U3C) wrote:
Full sympathies. Currently Win98 here!
James
Kunde,
d operating
>system (Win 10)??
>
>Has anyone attempted to write their own software to do harmonics and flicker?
>It seems complicated from reading the standard. Is there a document or paper
>that describes how the data is collected and what math has to be applied to do
>the test?
>
ing system
(Win 10)??
Has anyone attempted to write their own software to do harmonics and flicker?
It seems complicated from reading the standard. Is there a document or paper
that describes how the data is collected and what math has to be applied to do
the test?
Is there a 3rd part
3rd party software that will run on the latest PC and operating system
(Win 10)??
Has anyone attempted to write their own software to do harmonics and flicker?
It seems complicated from reading the standard. Is there a document or paper
that describes how the data is collected and wha
that makes
better sense? How about a modern A/D system that is compatible with the CI
PACS and 3rd party software that will run on the latest PC and operating system
(Win 10)??
Has anyone attempted to write their own software to do harmonics and flicker?
It seems complicated from reading th
Hello All,
I'm in the market for a new Mains Harmonics and Flicker meter for testing
in accordance with EN 61000-3-2 and -3. I don't need the power source,
just the meter. If any of you can recommend an economical piece of gear
then I would very much appreciate it. Feel free to reply
In message
4b64c938bf60be46b83b25988b0a7d7407c66...@sushdc8000.td.teradata.com,
dated Wed, 10 Oct 2012, Knighten, Jim L jim.knigh...@teradata.com
writes:
2) Comply with the absolute limits given in IEC 61000-3-2:2011, Table
1,
The published document differs from the approved draft in that
In message
4b64c938bf60be46b83b25988b0a7d7407c65...@sushdc8000.td.teradata.com,
dated Tue, 9 Oct 2012, Knighten, Jim L jim.knigh...@teradata.com
writes:
The latest edition of IEC 61000-3-12:2011 (power line harmonics for
input currents 16A) has an interpretation sheet that references IEC
Message-
From: John Woodgate [mailto:j...@jmwa.demon.co.uk]
Sent: Wednesday, October 10, 2012 11:43 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Question about power line harmonics testing
In message
4b64c938bf60be46b83b25988b0a7d7407c65...@sushdc8000.td.teradata.com,
dated Tue, 9 Oct
The latest edition of IEC 61000-3-12:2011 (power line harmonics for input
currents 16A) has an interpretation sheet that references IEC 61000-3-2:2011
(harmonic for input currents 16A).
I cannot find any evidence that IEC 61000-3-2:2011 exists. The latest version
for sale appears to be IEC
: Tue, 9 Oct 2012 20:34:20
To: EMC-PSTC@LISTSERV.IEEE.ORG
Reply-To: Knighten, Jim L jim.knigh...@teradata.com
Subject: [PSES] Question about power line harmonics testing
The latest edition of IEC 61000-3-12:2011 (power line harmonics for input
currents 16A) has an interpretation sheet
: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of
doug...@gmail.com
Sent: Tuesday, October 09, 2012 1:41 PM
To: Knighten, Jim L; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Question about power line harmonics testing
I know of IEC 61000-3-2:2005-11, 3rd edition. Is it possibly a typo
-Original Message-
From: Knighten, Jim L
Sent: Tuesday, October 09, 2012 1:34 PM
To: emc-p...@ieee.org
Subject: Question about power line harmonics testing
The latest edition of IEC 61000-3-12:2011 (power line harmonics for input
currents 16A) has an interpretation sheet that references
I heard that the omission of EN 61000-3-2 in earlier editions of the
general medical EMC standard (EN 60601-1-2) led people to think EN
61000-3-2 did not apply to medical equipment, even equipment for home
or office use.
The line harmonics standard was added in later editions of the medical
equipment, even equipment for home
or office use. The line harmonics standard was added in later editions
of the medical standard to remove any doubt that it applied.
That may have been the case with EN 61326.
Possibly, but doubt can be removed by a Note or Informative text.
Normative text
I am trying to find the driving requirement for ITE to be tested to
61000-3-2 and 61000-3-3 (harmonics flicker).
For test measurement equipment 61326 clearly states the requirement, but
I cannot find the equivalent statement in 55022/4 nor can I find it in the
EMC directive.
Anybody help
@LISTSERV.IEEE.ORG
Date:
21/12/2011 08:59
Subject:
[PSES] harmonics
flicker
I am trying to find the driving requirement for ITE
to be tested to
61000-3-2 and 61000-3-3 (harmonics flicker).
For test measurement equipment 61326 clearly states the requirement,
but
I cannot find the equivalent
In message
of3a5c1ae1.acc2a817-on8025796d.0030b95e-8025796d.00313...@selexelsag.com
, dated Wed, 21 Dec 2011, david.cole...@selexelsag.com writes:
I am trying to find the driving requirement for ITE to be tested to
61000-3-2 and 61000-3-3 (harmonics flicker).
These standards are 'product
Subject:
Re: [PSES] harmonics flicker
In message
of3a5c1ae1.acc2a817-on8025796d.0030b95e-8025796d.00313...@selexelsag.com
, dated Wed, 21 Dec 2011, david.cole...@selexelsag.com writes:
I am trying to find the driving requirement for ITE to be tested to
61000-3-2 and 61000-3-3 (harmonics flicker
frequency emission on the mains supply (harmonics, voltage fluctuations);
– Immunity to permanent and transient EMC phenomena.
In reality most companies choose to test products to Harmonised Standards,
using test equipment made by companies who sit on standards committees
alongside test labs who
...@sulisconsultants.com
To:
EMC-PSTC@LISTSERV.IEEE.ORG
Date:
21/12/2011 11:42
Subject:
Re: [PSES] harmonics flicker
Dave
You are not required to be compliant with standards – you are required to
be compliant with the protection requirements of the EMC Directive.
Ways of demonstrating
In message
of7e5afce7.40bb91cf-on8025796d.0040e621-8025796d.0041c...@selexelsag.com
, dated Wed, 21 Dec 2011, david.cole...@selexelsag.com writes:
Why did the writers of 61326 feel it necessary to include reference to
610003-3-2 3-3, but the writers of 55022 did not?
The writers of IEC/EN
In message
3f0347ac6ed9504191f91f07629fbb0c554...@thhsle14mbx2.hslive.net, dated
Wed, 21 Dec 2011, Charlie Blackham char...@sulisconsultants.com
writes:
In reality most companies choose to test products to Harmonised
Standards, using test equipment made by companies who sit on standards
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of
david.cole...@selexelsag.com
Sent: 21 December 2011 11:58
To: Charlie Blackham
Cc: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] harmonics flicker
Charlie,
Yours and John Woodgate's responses tell me
in order of best results:
1. Ask a consultant
2. search for an applicable standard for harmonics and flicker (4 exist 16 and
16 amp)
3. search the scope of harmonized standards for the best fit for emissions
4. search the scope of harmonized standards for best fit for immunity
5. Be aware
In message FCA549BE3ECF9D4CB8CB8576837EA48914036B@ZEUS.cetest.local,
dated Wed, 21 Dec 2011, ce-test, qualified testing bv - Gert Gremmen
g.grem...@cetest.nl writes:
So in order of best results:
1. Ask a consultant
What about:
0 Ask on this mailing list
?
--
OOO - Own Opinions Only. Try
) chasgra...@gmail.com
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of
david.cole...@selexelsag.com
Sent: Wednesday, December 21, 2011 1:57 AM
To: emc-p...@ieee.org
Subject: harmonics flicker
I am trying to find the driving requirement for ITE to be tested
is updated the transitional period is still in effect.
Inter-harmonics measurements are NOT required to be in compliance with the
current versions EN61000-3-2 and EN61000-3-12.
Regards,
Dave Spencer
From: emc-p...@ieee.org on behalf of Jon Francis
Sent: Fri 11/6/2009 1:31 PM
To: Kunde, Brian; EMC
In message
9d04b979323dcd428297dda95108893e03557...@bb-corp-ex2.corp.cubic.cub,
dated Fri, 6 Nov 2009, Price, Edward ed.pr...@cubic.com writes:
When millions of products that operate without any problem suddenly
become non-compliant with a standard, doesn't that mean that the
adjustment
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of John
Woodgate
Sent: Friday, November 06, 2009 10:59 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Mains harmonics flicker test equipment
In message
The change from the 1991 to 2002
In message
c0cfaa175de2c245a4acc27e5a896034045...@voltech-uk.voltech.co.uk, dated
Fri, 6 Nov 2009, Jon Francis jfran...@voltech.co.uk writes:
There is confusion because a small clause
What do you mean, 'small'? Size doesn't matter, in this context anyway.
Your comment seems likely to
2002 is very different to the previous version in that it
describes in great detail the requirement to measure inter-harmonics at 5Hz
intervals. (50,55,60,65... instead of 50, 100,150 Hz...) The inter-harmonics
are then grouped into the normal 50,100, 150Hz intervals such that the
limits
, but ...
This is why I think that if your product falls under the scope of a
product-specific standard such as EN 61326 and EN 300 386 that
addresses AC current harmonics and voltage fluctuations you do not need
to apply the 61000-3-2,3 standards as listed in the OJ, only the
requirements of your more
and EN
300 386 that addresses AC current harmonics and voltage fluctuations you do
not need to apply the 61000-3-2,3 standards as listed in the OJ, only the
requirements of your more-specific product standard.
Mark
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of
rehel...@mmm.com
Subject:RE: Mains harmonics flicker test equipment
In message jt+f0xbjzrxkf...@jmwa.demon.co.uk, dated Sat, 3 Oct 2009,
John Woodgate j...@jmwa.demon.co.uk writes:
Nevertheless, it is so. Look back up the thread to the article by Brian
Jones. He is the Secretary of CLC/TC210, so you can rely on that
article.
I should have added that of
In message
78eac2d97114034eb62aaa10fcc2510609d2d...@usa7061ms01.na.xerox.net,
dated Fri, 2 Oct 2009, Spencer, David H david.spen...@xerox.com
writes:
My question seems to be that if a standard is listed in the OJ that
must take precedence over an older similar standard within the product
about EN 61000-3-2
and -3, but the list of product/generic standards that may be in the OJ
but that are also used as basic standards includes EN 55022 and EN 55011.
Correct, but
For example:
EN 300 386 and EN 61326 both address emissions related to AC current
harmonics, therefore I do
In message
78eac2d97114034eb62aaa10fcc2510609d2d...@usa7061ms01.na.xerox.net,
dated Fri, 2 Oct 2009, Spencer, David H david.spen...@xerox.com
writes:
I'm not a legal expert by any means. However, if a product is placed on
the market in the EU and accompanied with a DoC, isn't it implied that
of Mark Briggs
Sent: Fri 10/2/2009 7:18 PM
To: Spencer, David H; emc-p...@ieee.org
Subject: RE: Mains harmonics flicker test equipment
David -
This has been my take on this issue: If your product-specific standard
addresses a phenomenon that is also addressed in a generic standard then you
do
EN 61000-3-2 and -3, but the list of product/generic standards
that may be in the OJ but that are also used as basic standards includes EN
55022 and EN 55011.
For example:
EN 300 386 and EN 61326 both address emissions related to AC current
harmonics, therefore I do not have to use EN 61000-3-2
as the applicable standard, though it's not in Section 2.
Regards,
Dave Spencer
Xerox Corp.
From: emc-p...@ieee.org on behalf of ce-test, qualified testing bv - Gert
Gremmen
Sent: Fri 10/2/2009 3:36 PM
To: John Woodgate; emc-p...@ieee.org
Subject: RE: Mains harmonics flicker test equipment
John
In message FCA549BE3ECF9D4CB8CB8576837EA4890539B9@ZEUS.cetest.local,
dated Fri, 2 Oct 2009, ce-test, qualified testing bv - Gert Gremmen
g.grem...@cetest.nl writes:
Standards are private products, and there
should not be a legally reference in your
reply.
Go tell that to the Commissions
: Mains harmonics flicker test equipment
In message
78eac2d97114034eb62aaa10fcc251060a8d8...@usa7061ms01.na.xerox.net,
dated Fri, 2 Oct 2009, Spencer, David H david.spen...@xerox.com
writes:
IF there was a dramatic change between the two, for a proper DoC
would both versions need to be applied
: Mains harmonics flicker test equipment
Somewhat hypothetical Q:
In the case of EN61236-1 where the Harmonics and Flicker requirements
call out dated standards (EN61000-3-2:2000). The Official Journal lists
EN61000-3-2:2006.
IF there was a dramatic change between the two, for a proper DoC
In message 01ca4363$feba83a0$fc2f8ae0$@com, dated Fri, 2 Oct 2009,
Ronald R. Wellman rwell...@wellman.com writes:
However, the rule of thumb is to call out the standard referenced in
the family standard because the family standard is the standard you are
using to declare compliance to.
If you are Class A, this is moot for harmonics and flicker. However, the
rule of thumb is to call out the standard referenced in the family standard
because the family standard is the standard you are using to declare
compliance to. Some people do this, others call out the latest standard
In message
78eac2d97114034eb62aaa10fcc251060a8d8...@usa7061ms01.na.xerox.net,
dated Fri, 2 Oct 2009, Spencer, David H david.spen...@xerox.com
writes:
IF there was a dramatic change between the two, for a proper DoC
would both versions need to be applied?
No; the new version supersedes the
Somewhat hypothetical Q:
In the case of EN61236-1 where the Harmonics and Flicker requirements
call out dated standards (EN61000-3-2:2000). The Official Journal lists
EN61000-3-2:2006.
IF there was a dramatic change between the two, for a proper DoC
would both versions need to be applied
In message
2AA8A4298DECF8469C66C8F3A2B9589201E391AB@GB02QEX01PEDV27.rmhost1.local,
dated Fri, 2 Oct 2009, Gordon,Ian ian.gor...@edwardsvacuum.com
writes:
By our product standard I do mean the one we cite on D of Cs issued
by my employer. Whilst dated references should be updated the fact is
John
By our product standard I do mean the one we cite on D of Cs issued by
my employer.
Whilst dated references should be updated the fact is that if they do
refer to older versions of standards then so be it. That's why I
acknowledge that when EN61326-1 goes through its next revision it
probably
, or that you cite it on DoCs?
refers to the older versions of the harmonics and flicker standards and
I am trying to determine whether we need to update our measurement
equipment at this time. However I can see that when the product
standard is revised (again!) we will probably have to do
Brian et al
The trouble with asking the equipment manufacturer is that they will always
want to sell you a new piece of kit!
More specifically, our product standard EN61326-1:2006 refers to the older
versions of the harmonics and flicker standards and I am trying to determine
whether we need
, October 01, 2009 11:03 AM
To: IEEE EMC SAFETY PSTC
Subject: Mains harmonics flicker test equipment
All
Does anyone know whether the 2006 version of EN61000-3-2 and EN61000-3-3
require the use of different specification test equipment than that
required by the 2000 version of IEC 61000-3-2
AM
To: IEEE EMC SAFETY PSTC
Subject: Mains harmonics flicker test equipment
All
Does anyone know whether the 2006 version of EN61000-3-2 and EN61000-3-3
require the use of different specification test equipment than that
required by the 2000 version of IEC 61000-3-2 and the 1994 version of
IEC
All
Does anyone know whether the 2006 version of EN61000-3-2 and EN61000-3-3
require the use of different specification test equipment than that
required by the 2000 version of IEC 61000-3-2 and the 1994 version of
IEC 61000-3-3?
Ian Gordon
--- --- --- --- --- --- --- ---
Dear List Members,
It's my goal to gain confidence through consensus. I see within the Scope of
EN 61000-3-2 and -3 that those standards should apply to devices which are
connected to 'public low-voltage distribution systems'. Are panel-mount type
devices intended for use in industrial
to print this e mail?
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Carl Newton
Sent: 05 December 2008 15:22
To: emc-p...@ieee.org
Subject: Mains Harmonics, Flicker, and Industrial Applications
Dear List Members,
It's my goal to gain confidence
Subject: RE: Mains Harmonics, Flicker, and Industrial Applications
Carl
Not necesarily. That would depend on how and what the equipment in which the
panel-mount device is installed is connected to. Anything pluggable could be
expected to be connected to a public low voltage distribution system
In message
60edd68a0812050721x332fdcc1n367cff7280314...@mail.gmail.com, dated
Fri, 5 Dec 2008, Carl Newton emcl...@gmail.com writes:
It's my goal to gain confidence through consensus. I see within the
Scope of EN 61000-3-2 and -3 that those standards should apply to
devices which are
notice.
The Other Brian
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of John Woodgate
Sent: Friday, December 05, 2008 11:34 AM
To: emc-p...@ieee.org
Subject: Re: Mains Harmonics, Flicker, and Industrial Applications
In message
60edd68a0812050721x332fdcc1n367cff7280314
Thank you all for your valuable replies. I've always tended to be
conservative when writing test plans. These days, however, everyone is trying
to pinch every penny. I agree that these tests are not terribly expensive as
EMC testing goes. But then, expensive that is a relevant term.
This is a
of harmonics, it isn't difficult if the increase in level is seen to
occur during routine monitoring. It's then not too difficult to find out
what has recently been installed and connected to the network.
--
OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk
Either we
In message
60edd68a0812050907g6948f8aerdab11784d5219...@mail.gmail.com, dated
Fri, 5 Dec 2008, Carl Newton emcl...@gmail.com writes:
This is a computing device with a display and is primarily intended for
use within industrial process control applications. Power interface is
via a
Dear all,
I have a question on EN 61000-3-2 and the classification of equipment,
If you have an independent power supply that comes with a number of
connections that can be used to supply power a range of electronic equipment,
e.g., a laptop PC, I pods, Mobile phones, cameras etc. what
In message 861970.86487...@web86401.mail.ukl.yahoo.com, dated Fri, 4
Jul 2008, CATHERINE PEARSON vites...@btinternet.com writes:
I have a question on EN 61000-3-2 and the classification of equipment,
If you have an independent power supply that comes with a number of
connections that can be
harmonics. Spread spectrum clocking seems
to have the best cost-benefit for reducing emissions. With a 1% spread in
your 59.9 MHz system the fundamental will be reduced 5 dB. Each harmonic is
reduced by 10LOG(H/F), H being the harmonic freq and F being the fundamental
freq. This assumes a 120 kHz
. Reduction of emission in the ethernet harmonics (175, 200, 225,
250, 275, 300 350 MHz) is logical. At the same time we notice
reduction of emission in SDRAM clock harmonics also. (multiples of 59.9
MHz). Why how this happens and what to infer from this is not clear
to us.
Welcome to the world
]
Sent: 03 May 2007 14:13
To: emc-p...@ieee.org
Cc: kbalasubraman...@scmmicro.co.in
Subject: Emission at SDRAM harmonics and ethernet signal current
Dear Experts,
In our ethernet device, by introducing series resistors of value 22
ohms in the Tx / Rx signals we noticed reduction in the emission
Dear Experts,
In our ethernet device, by introducing series resistors of value 22
ohms in the Tx / Rx signals we noticed reduction in the emission levels.
Reduction of emission in the ethernet harmonics (175, 200, 225, 250, 275,
300 350 MHz) is logical. At the same time we notice reduction
manufactures out there. With Flicker a test lab
can verfify that Pst and Dmax are met. There is nothing as obvious for
Harmonics. Any suggestions?
The actual situation is the reverse. There IS an established
verification procedure for the IEC 61000-4-7 harmonics analyser,
although more work is being
? In the stand by mode the I_1 will be low, but the harmonic content
could be very high.
My question about verification of test equipement is really a soft jab at the
few equipment manufactures out there. With Flicker a test lab can verfify
that Pst and Dmax are met. There is nothing as obvious for Harmonics
In message 212140.14020...@web38603.mail.mud.yahoo.com, dated Mon, 2
Apr 2007, Philo Beddo ashwort...@yahoo.com writes:
How do you define I ref?
Stand by testing on very high power equipment, what I-ref is used?
I suppose that by 'I ref', you mean I_1 as defined in 3.11.
You do not test under
Kim
I don't think that the presence/absence of a neutral should influence
whether or not the test should be performed. However if there is an
applicable product standard you should consider whether the test is required
by it. The product standard we apply, EN61326, does not call for harmonics
I perform the Harmonics test item with EUT supplied with 3 phase Power source
but the Power source of EUT has not N phase.
in this case. Is it applicabel to the Harmonics test item even without the N
phase?
why I think of above question is that tthere isn't the reference of Impedence
In message 002201c66e44$36e77dd0$13655ad2@LocalHost, dated Wed, 3 May
2006, Kim Young-sik young...@eri.re.kr writes
Hi, All
When flicker Harmonics test!
EUT's AC input line 3 phase used, but that no have neutral line.
Only used R,S,T.
- That product flicker harmonics must test
Hi, All
When flicker Harmonics test!
EUT's AC input line 3 phase used, but that no have neutral line.
Only used R,S,T.
- That product flicker harmonics must test??
If must be test??
- How can be test ?( impedence? ... )
All
The latest version of IEC61326
http://domino.iec.ch/webstore/webstore.nsf/artnum/035349 refers to
EN61000-3-11 and -3-12 which are the flicker and harmonic standards for
products with rated currents of between 16 and 75A.
Does anyone know if this new version of IEC 61326, and thence its EN
Colgan, Christopher [Harman Pro Group UK]
christopher.col...@harmanpro.com wrote (in
59FA3256BB317445884A09FF0576065E49B506@SCFTUKX1A) about 'Harmonics and
flicker', on Wed, 9 Nov 2005:
This begs the question, why are product family standards calling up
other standards that are listed
rehel...@mmm.com wrote (in
of5c335feb.f83c1c5e-on862570b4.003ece62-862570b4.003f4...@mmm.com)
about 'Harmonics and flicker', on Wed, 9 Nov 2005:
A standard can not remove the requirement for harmonics and flicker
testing because 61000-3-2 and 61000-3-3 are family standards unto
themselves (all
This begs the question, why are product family standards calling up other
standards that are listed in the OJ? For instance EN55103-1 calls up
EN61000-3-2 3-3. Surely this is unecessary, as testing to these two stand
alone standards is required if following the standards route to compliance
Subject
RE: Harmonics and flicker
11:31
To: emc-p...@ieee.org
Subject: Re: Harmonics and flicker
A standard can not remove the requirement for harmonics and
flicker testing
because 61000-3-2 and 61000-3-3 are family standards unto
themselves (all
equipment equal to or less than 16 amps)..
Bob Heller
3M EMC Laboratory
A standard can not remove the requirement for harmonics and flicker testing
because 61000-3-2 and 61000-3-3 are family standards unto themselves (all
equipment equal to or less than 16 amps)..
Bob Heller
3M EMC Laboratory, 76-1-01
St. Paul, MN 55107-1208
Tel: 651- 778-6336
Fax: 651-778-6252
Gordon,Ian ian.gor...@bocedwards.com wrote (in
e1ba0362b28ed211a1e80008c71ea30603387...@z-160-100-30-252.est.ibm.com)
about 'Harmonics and flicker', on Wed, 9 Nov 2005:
Is it necessary to show compliance with harmonics and flicker
requirements for products even though the product standard
All
Is it necessary to show compliance with harmonics and flicker requirements
for products even though the product standard applied specifically omits
this?.
My concern is that EN61326 requires these measurements for Class B equipment
but specifically does not for Class A equipment.
Thanks
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