General > General Technical Chat
Strange specs for a toroidal transformer(?)
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x86guru:

--- Quote from: T3sl4co1l on March 19, 2024, 10:49:46 pm ---What is it, AA59902055?
https://hubbellcdn.com/ohwassets/HCI/Acme_Electric/Literature/SECTION-10.pdf

...It's less likely to find standard parts among transformers, I mean customs are pretty common, but these ratings look standard enough.  Might get lucky with a search :)

Don't see anything in there about primary VA though.  Seems a strange way to mark it, if it's magnetization.  If in doubt, I'd e-mail them.

Tim

--- End quote ---

It's a AA24598C. I tried looking it up earlier with no luck.



thm_w:
Yeah I'm probably wrong looking at it again, I see some on ebay where they listed both primary and secondary VA:
https://www.ebay.ca/itm/282019280411 (pri 665VA sec 625VA)
https://www.ebay.ca/itm/166566676953 (pri 495VA sec 480VA).

So either 1030VA or 1003VA would be the number if that is the case.
Which would give you an idea of the efficiency?
Benta:
Go with the EBay specs. Everyone knows they are the most trustworthy and reliable in the world.

jonpaul:
KW is proportional to weight.


We usd e 35 cm dia 10..15 cm thick toroid's dual P-S 120/240,  5..10 kW for our client, Furman Sound.

 See Bel-Fuse, Pliotron,   similar  toroidal transformers, typical size, weight.

Jon
x86guru:

--- Quote from: thm_w on March 20, 2024, 12:48:33 am ---Yeah I'm probably wrong looking at it again, I see some on ebay where they listed both primary and secondary VA:
https://www.ebay.ca/itm/282019280411 (pri 665VA sec 625VA)
https://www.ebay.ca/itm/166566676953 (pri 495VA sec 480VA).

So either 1030VA or 1003VA would be the number if that is the case.
Which would give you an idea of the efficiency?

--- End quote ---

I'm thinking now that AMVECO probably custom built these for another company that possibly requested the primary side be labeled with no-load current. I'm thinking this because 103VA does make sense like you previously mentioned for a no-load current and this specific model number seems to be custom and not a standard OTS available unit -- so maybe it was labeled based on a customers request.

 
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