I hope the 5 second interruption was intended to meet Performance Criteria C.
In contrast, I assume the product is to meet Performance Criteria B for the
two dip (reduction) tests. Right?
I'm surprised that India does not have a holdup time requirement under
Performance Criteria B that would be on the order of 10ms to 20ms.
Monrad Monsen
peter merguerian wrote on 9/15/2009 6:15 PM Mountain Time:
Moshe Shalom,
Immunity to Voltage Dips and Short Interruptions
Immuni
IEC-
61000-4-11 : 2001 or later
Dip (Reduction) of 30% of supply voltage for 500 ms
Dip (Reduction) of 60% of supply voltage for 200 ms
Interruption (reduction of >95% of supply voltage ) for 5 secs.
Best Regards,
Peter Merguerian
--- On Tue, 9/15/09, Moshe Valdman <mvald...@netvision.net.il>
<mailto:mvald...@netvision.net.il> wrote:
From: Moshe Valdman <mvald...@netvision.net.il>
<mailto:mvald...@netvision.net.il>
Subject: Power holdup in India
To: "'emc-p...@ieee.org'" <mailto:'emc-p...@ieee.org'>
<emc-p...@ieee.org>
<mailto:emc-p...@ieee.org>
Date: Tuesday, September 15, 2009, 11:04 AM
Hi all,
Does anyone have any information about holdup requirements or standards
for
telecom power in India?
This is typically 10 msec for the DC input (and usually 20 msec for
AC/DC
power supplies), but I think due to low power quality, in India a longer time
might berequired
thanks in advance,
Moshe Valdman
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