[SI-LIST] MICTOR Model
- From: "Ariel Goldfarb" <ArielG@xxxxxxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Thu, 19 Dec 2002 17:24:13 +0200
Hi All
Did anybody PSpice modeled a MICTOR?
Thanks
Ariel
-----Original Message-----
From: Adeel Malik [mailto:adeelm@xxxxxxxxxxx]
Sent: Thursday, December 19, 2002 16:45
To: 'Bill Reams'
Cc: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Current density of Ribbon Cable
Hi Bill,
So what is the typical value of Tproblem (melting insulation) =
for a
ribbon cable of 28 wire guage ?. Is it about 100 degree celsius or so ?
ADEEL
-----Original Message-----
From: Bill Reams [mailto:breams@xxxxxxxxxxxxxx]
Sent: Thursday, December 19, 2002 7:23 PM
To: adeelm@xxxxxxxxxxx
Subject: RE: [SI-LIST] Current density of Ribbon Cable
When uncertain, I tend to go to the big boys. For wire, I generally hit =
the
Alpha or Belden catalogs or web sites.
<http://www.alphawire.com/PAGES/383.CFM>
<http://www.alphawire.com/PAGES/379.CFM>
<http://bwcecom.belden.com/catalog/TechInfo/TechLeadWire.htm>
<http://www.madisoncable.com/CableDesign.htm>
Now with all that back ground, I can say that I've watched someone
unsuccessfully try to put more than 1 amp through each of several =
conductors
in ribbon cable. He didn't believe in the bundle factor derating until
mother nature proved that it was for real. Remember, what you're really
doing is calculating a temperature rise above ambient and want to get =
Ttotal
=3D Tambient + Trise which must be less than Tproblem (like melting
insulation)
-----Original Message-----
From: Adeel Malik [mailto:adeelm@xxxxxxxxxxx]
Sent: Thursday, 19 December, 2002 02:23 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Current density of Ribbon Cable
Hi All,
I intend to determine the max. current carrying capacity of
standard 28 AWG ribbon cable. In order to do this in a precise manner, I
must know the following :
1. No of strands in the cable
2. Dia of each strand (This will be used to find the total cross-section
area of the wire)
3. The current density of each strand (This will be used to find the =
max.
current the cable can support by multiplying it with Area)
Can someone give me the values of the afore-mentioned parameters or =
guide me
to a link possessing the info I require ?,
Regards,
ADEEL MALIK,
Avaz Networks
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