Vincent, et al,
John has explained the Li-ion battery issue quite well; the
requirements have not caught up to the point that the fire issues from these
batteries is resolved.
But the larger picture is what remains. As has been seen
before when a country embarks working at the international level by introducing
all of the international requirements there is a learning curve to get their
internal (newly developed) labs and personnel up to speed in understanding and
implementing these new requirements it is quite common to insist on in-country
testing for some time. As you noted, we see this going on today. Hopefully
this timeframe will be short and full implementation of acceptance of data and
reports as is commonly done replaces this additional evaluation instead.
Large manufacturers have been known to send their experience
people along with the equipment to be tested to train up the local staff in the
test methods and evaluation – working to ensure the same outcome from the tests
and the same acceptance of the equipment – which should shorten the transition
time.
:>) br, Pete
Peter E Perkins, PE
Principal Product Safety & Regulatory Affairs Consultant
PO Box 23427
Tigard, ORe 97281-3427
503/452-1201
<mailto:[email protected]> [email protected]
From: John Woodgate [mailto:[email protected]]
Sent: Tuesday, January 3, 2017 1:08 AM
To: [email protected]
Subject: Re: [PSES] In-Country Testing
1. Partly to support their test labs and partly because they are not totally
satisfied with the IEC standards that specify the tests. Particularly for
lithium batteries, the technology is evolving far faster than the standards
committees can change the standards (where/if necessary) and the standards
can't accommodate new technology while it is undisclosed for commercial
confidentiality.
2. It's not a matter of crossing borders and I doubt there are special EMC
issues with lithium batteries. But the incidence of fires shows that either the
basic technology or the manufacturing process, or both, is questionable. While
that is so, the testing standards cannot be regarded as comprehensive.
With best wishes DESIGN IT IN! OOO – Own Opinions Only
<http://www.jmwa.demon.co.uk/> www.jmwa.demon.co.uk J M Woodgate and
Associates Rayleigh England
Sylvae in aeternum manent.
From: Vincent Lee [mailto:[email protected]]
Sent: Tuesday, January 3, 2017 8:35 AM
To: [email protected] <mailto:[email protected]>
Subject: [PSES] In-Country Testing
Hi all,
Happy 2017,
Having read about IECEE CB Scheme in which over 50 countries are participating
members who agreed to mutually recognize each other CB test reports and
certificates, may I know
1) What is the reasons or rationale between the requirements of In-Country Test
(EMC, Safety Test) by some countries (e.g. PRC China, South Korea and Taiwan
for EMC, India and Thailand for Li-ion Battery Safety Test)?
2) Will the product operating principle and behavior (e.g. Li-ion battery
electro-chemistry) changed significant so as to cause EMC and safety issues
when they cross the borders from one country to another ?
Hope to hear from you soon.
Thank you and Happy 2017 ahead.
Vincent
Regards, Vincent
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