I would like to find out the current rating of a transformer. Primary voltage taps 0v-110v-115v-208v-230v and secondary taps 3450v-0v-3450v and secondary resistance of 53.5ohms from 0v to 3450v tap a
Angelo, Really you cant tell that way (using the resistance) unless you know the mean lenght of turn, how many turns per layer, and how many layers they are in the winding. This then would give you h
You can short the secondary with an ac ammeter and apply primary volts with a variac. Increase the secondary current in 100mA steps until the transformer is a hot as you are happy with - allow sever
As a rough estimate and starting point you can use the weight of the transformer. A 1 kVA CCS rated transformer weighs about 45 lbs or 20 kg, and it will most certainly hold up for 2 kVA ICAS. In you
Just off the top of my bald head I would guess that the current rating would not be all that spectacular due to measured secondary resistance. It seems a bit on the high side. Mike Ford k1ern _______
William, Well you can somewhat but if they didnt use the right size of wire, it will affect the power capibilities too. I've seen some try and get by using 500 cir mils per amp which is too small for
Let me write that a little clearer than I did on the measuring. Take and measure the height and width of the stacked core, also write the depth down (front to back). Using any published lamination sp
Was the "circular mil" invented by someone who couldn't spell "pi"? -- 73 from Ian GM3SEK 'In Practice' columnist for RadCom (RSGB) http://www.ifwtech.co.uk/g3sek ____________________________________
Dunno, but it's a bitch to keep typing or writing out, even abbreviating it! Probably one of those scientists who like using the longest words possible to describe somthing short, I wont say another
One thing I ought to mention here for winding a heater supply transformer. Generally, since the voltage is low, having a higher current, with a single layer winding (usually), plus being the winding
I am unable to calculate anything to do with windings or core due to the fact it is in a metal case encapsulated in black epoxy. I discovered this after removing the lid. I'll say one thing, it's dar
Hi Angelo, .9 is about what you get with a choke input filter. With a full wave bridge capacitor input the no load voltage will be 1.414 times. I usually use about 1.25 figure for loaded voltage when
Angel, If the transformer stack is 11" wide X 9" high then about the closest thing to a standard EI lam is a 4(3)MH which has a 4 inch center leg and is 10" high X 11-1/8" wide. Now if the stack is 1
Angel, One last thing, since that core is that big, measure the thickness of an outside leg. A 4 inch core shows a 2 inch leg, and a 3 inch core shows a 1-1/2 inch leg. We might be able to tell from
Author: "Carcia, Francis A HS" <francis.carcia@hs.utc.com>
Date: Tue, 3 May 2005 16:13:20 -0400
Speaking of transformers. Does anyone know the ccs and ICS current ratings of a UTC CG310? gfz Angel, One last thing, since that core is that big, measure the thickness of an outside leg. A 4 inch co
According to the 1970 UTC catalog, the specs for their CG-310 Plate Xfmr are: 4600-4050-3500-0-3500-4050-4600 VAC 4000/3500/3000 VDC @ 600 mA 19-1/4" Long x 10" Wide x 13-1/4" High Weight: 150 Lbs. S
Author: "Carcia, Francis A HS" <francis.carcia@hs.utc.com>
Date: Tue, 3 May 2005 17:03:18 -0400
TNX OM, I have never seen ICS ratings either. I used to get a little sag in the voltage until I connected the second transformer in diode or mode. They run cool. fc According to the 1970 UTC catalog,
Thanks Gary, Will and all for answering my questions. You learn a thing or two everyday. Cheers Angelo <br><br><br>>From: Gary Schafer <garyschafer@comcast.net><br>>Reply-To: garyschafer@comcast.net<