Well pumps and SWs revisited [RE-wrenches]
Matt Tritt
solarone at charter.net
Thu Oct 2 12:47:35 PDT 2003
Has anyone actually measured or otherwise qualified the output of the
5548 as compared to the 4048 and the 4024 other than Xantrex employees?
Matt T
-----Original Message-----
From: Eric Smiley [mailto:Eric_Smiley at bcit.ca]
Sent: Thursday, October 02, 2003 12:16 PM
To: RE-wrenches at topica.com
Subject: RE: Well pumps and SWs revisited [RE-wrenches]
Ray Walters said:
***
NO one has mentioned in this thread that the SW5548 is terrible at
surges. I've been disappointed that it trips its over current switch
when a lowly DR2424 can hang in there.
***
It's true the SW5548 doesn't surge as well as the 4kVA SW units. I
believe it's been discussed in the past on this list. The reason I was
given is that the 5.5 kVA unit was intended for more sensitive loads and
doesn't allow the voltage to sag as much as the smaller units when
starting large motor loads. Thus better power quality means less surge
ability.
Eric Smiley, BEng, MASc
Project Leader
Photovoltaic Energy Applied Research, Technology Centre
British Columbia Institute of Technology
NE25 - 3700 Willingdon Avenue
Burnaby, British Columbia
Canada V5G 3H2
phone: 604.432.8657 fax: 604.436.0286
esmiley at bcit.ca www.tc.bcit.ca
The information contained in this E-mail is intended for the addressee
only. If you have received this in error please delete it.
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