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If you have a question regarding coaxial, telephone, and building wire, power cable, insulation, extrusion, bunching, stranding, braiding, etc. post it here.

TOPIC: Compatability-Enameled Cu wire with transfr oil

Compatability-Enameled Cu wire with transfr oil 1 year 10 months ago #2934

Dear All,
My name is uday ,One of our customer is asking about the compatibility of enameled copper wire with transformer oil. I have little knowledge on the magnet wires. Please suggest or help me on this matter.
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Compatability-Enameled Cu wire with transfr oil 1 year 10 months ago #2935

Hello Uday,

Well let's think about your question for a minute.

1 - There are likely millions of oil filled transformers around the world and mostly all contain enameled coated wires to step-down voltages.
2 - There are many different manufacturers of transformer oils around the World and although these oils are all very pure, it is important to determine which one(s) you are dealing with.
3 - There are many different manufacturers and types of magnet wire coatings throughout the World so it is important to determine the manufacturer(s) and coatings you are referencing.
4 - It is likely that your magnet wire coating manufacturer(s) already have the information you are seeking so it is important that you provide them with specifics so they can answer your query properly.

You should be able to easily determine the proper and specific answer for your customer.
Regards,
Peter J. Stewart-Hay Principal
Stewart-Hay Associates
www.Stewart-Hay.com
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Last Edit: 1 year 10 months ago by Peter J Stewart-Hay.
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Compatability-Enameled Cu wire with transfr oil 1 year 10 months ago #2936

Dear Sir,
Thanks and also one more thing I need u r help on Temperature index tester or heat life time (other than the tan delta tester) for 20,000hrs of aging is available or not. Because one of our customer is asking for this.
Please suggest
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Compatability-Enameled Cu wire with transfr oil 1 year 10 months ago #2937

I personally do not have this information.

Please start a new thread on this subject in the Supplies and Equipment Technical Division.

Thank you.
Regards,
Peter J. Stewart-Hay Principal
Stewart-Hay Associates
www.Stewart-Hay.com
This email address is being protected from spambots. You need JavaScript enabled to view it.
Last Edit: 1 year 10 months ago by Peter J Stewart-Hay.
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Compatability-Enameled Cu wire with transfr oil 2 months 2 weeks ago #3105

  • Richard Burke
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This is a question that an enamel supplier should be able to readily answer. For the first 60-70 years of manufacturing magnet wire the tan-delta test and tester did not exist. GE manufactured probably millions of transformer with wining wire coated with Formvar. Do an internet search for formvar and suppliers. Firmvar refers to any of several thermoplastic resins that are polyvinyl formals. You might check for "Vinylec"
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