US3170134A - Electrical coil structure for inductive apparatus - Google Patents

Electrical coil structure for inductive apparatus Download PDF

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Publication number
US3170134A
US3170134A US159699A US15969961A US3170134A US 3170134 A US3170134 A US 3170134A US 159699 A US159699 A US 159699A US 15969961 A US15969961 A US 15969961A US 3170134 A US3170134 A US 3170134A
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US
United States
Prior art keywords
coil
winding
wound
adhesive
insulating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US159699A
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English (en)
Inventor
Betty J Palmer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Priority to US159699A priority Critical patent/US3170134A/en
Priority to CH1444762A priority patent/CH422145A/de
Application granted granted Critical
Publication of US3170134A publication Critical patent/US3170134A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/322—Insulating of coils, windings, or parts thereof the insulation forming channels for circulation of the fluid

Definitions

  • the second section 30 of high voltage winding is Wound in the same manner as the first section 22. That is, alternate layers of conductor and insulating paper are wound on the first section 22 of the high voltage winding with the corrugated fibrous strip 26 therebetween at the ends of the transformer. As many sections of high voltage winding would be used as are required for proper cooling of the winding at the transformer rating desired.
  • a strip of insulating paper is wound on a mandrel to form a tubular coil form 60.
  • a plurality of turns of metallic foil or sheet electrical conductor is then wound on the coil form 69 to form a first or inside section 62 of low voltage winding.
  • the foil or sheet used to wind the coil is coated with a material such as enamel to provide coil turn-to-turn insulation.
  • a strip of thermally stabilized paper is wound over the first section 62 of low voltage winding to form a tubular insulating member 64 between the sections 62 and 66 of the low voltage winding.
  • the second section 66 of low voltage winding is, like the first section 62, a strip of enameled sheet or foil conductor wound on the insulating member 64 to form a plurality of turns of the low voltage winding.
  • Another insulating member 68 is wound from a strip of thermally stabilized paper to provide insulation for the low voltage winding.
  • a duct '70 is then formed at the ends of the coil by a corrugated fibrous strip, or a plurality of pressboard or wood strips 71.
  • the next layer 72 is another insulating member wound on the member 68 and the duct forming members from the thermally stabilized insulating paper.
  • the num er of turns of paper used to form the member 72 is, of course, determined by the voltage difference between the low voltage winding and the high voltage winding.
  • a modified embodiment of this invention is shown in the sectional view of FIG. 4.
  • a strip of thermally stabilized insulating paper is wound on a mandrel to form a coilform St ⁇ .
  • a first section 82 of low voltage winding is wound on the coil form 80.
  • the first section 82 of low voltage winding is a plurality of turns of insulated wire, for example, an enameled rec tangular wire having a coating of an adhesive over the insulation.
  • the coating of adhesive such as an epoxy resin in the B stage, is non-tacky at ambient temperature, but becomes soft and flows at elevated temperatures and permanently sets when cool.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulating Of Coils (AREA)
US159699A 1961-12-15 1961-12-15 Electrical coil structure for inductive apparatus Expired - Lifetime US3170134A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US159699A US3170134A (en) 1961-12-15 1961-12-15 Electrical coil structure for inductive apparatus
CH1444762A CH422145A (de) 1961-12-15 1962-12-07 Wicklung für Transformatoren oder Drosseln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US159699A US3170134A (en) 1961-12-15 1961-12-15 Electrical coil structure for inductive apparatus

Publications (1)

Publication Number Publication Date
US3170134A true US3170134A (en) 1965-02-16

Family

ID=22573629

Family Applications (1)

Application Number Title Priority Date Filing Date
US159699A Expired - Lifetime US3170134A (en) 1961-12-15 1961-12-15 Electrical coil structure for inductive apparatus

Country Status (2)

Country Link
US (1) US3170134A (de)
CH (1) CH422145A (de)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3308414A (en) * 1964-01-14 1967-03-07 Anaconda Wire & Cable Co Porous-refractory encapsulant for cous and coil encapsulated therewith
US3368174A (en) * 1962-05-21 1968-02-06 Westinghouse Electric Corp Spacer for pancake coils
US3500273A (en) * 1966-12-28 1970-03-10 Foster Transformer Co Electrical transformer with heat transfer means
US3716813A (en) * 1970-11-28 1973-02-13 P Hillyard Ignition coils
US3939449A (en) * 1975-01-15 1976-02-17 Westinghouse Electric Corporation Insulated transformer windings
US4521956A (en) * 1983-07-11 1985-06-11 General Electric Company Method for making a transformer having improved space factor
US4521955A (en) * 1983-07-11 1985-06-11 General Electric Company Method of making a ducted dry type transformer
US4523169A (en) * 1983-07-11 1985-06-11 General Electric Company Dry type transformer having improved ducting
US6023216A (en) * 1998-07-20 2000-02-08 Ohio Transformer Transformer coil and method
US6160464A (en) * 1998-02-06 2000-12-12 Dynapower Corporation Solid cast resin coil for high voltage transformer, high voltage transformer using same, and method of producing same
US20090212897A1 (en) * 2006-10-19 2009-08-27 Abb Research Ltd Low voltage coil and transformer
US7647692B2 (en) 2001-12-21 2010-01-19 Abb Technology Ag Method of manufacturing a transformer coil having cooling ducts
CN102456476A (zh) * 2010-10-15 2012-05-16 Abb技术有限公司 油浸变压器绝缘模块
US20150116063A1 (en) * 2013-10-29 2015-04-30 Delta Electronics (Shanghai) Co., Ltd. Electromagnetic device and conductive structure thereof
JP2022118358A (ja) * 2021-02-02 2022-08-15 株式会社日立産機システム 変圧器
US20230054802A1 (en) * 2020-01-28 2023-02-23 Magnebotix Ag Electro-Magnetic Coil with Coolant Permeability

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE421570B (sv) * 1980-05-21 1982-01-04 Asea Ab Med isolervetska kyld bandlindning for en transformator eller reaktor
DE3036230A1 (de) * 1980-09-25 1982-05-06 Transformatoren Union Ag Wicklungsanordnung fuer transformatoren mit quadratischem kernquerschnitt
DE102008033125A1 (de) * 2008-07-15 2010-01-21 Abb Ag Transformator

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US486926A (en) * 1892-11-29 Coil for electrical apparatus
US926934A (en) * 1906-01-20 1909-07-06 Forest Radio Telephone Co De Wireless-telegraph tuning device.
US2246159A (en) * 1938-12-01 1941-06-17 Gen Electric Electrical coil
US2521513A (en) * 1948-08-18 1950-09-05 Gen Electric Stationary induction apparatus
US2608089A (en) * 1947-07-11 1952-08-26 Emhart Mfg Co Apparatus for and method of inspecting sealed containers for relative internal pressure conditions
US2863130A (en) * 1957-03-21 1958-12-02 Gen Electric Coil construction for electromagnetic induction apparatus
US2942217A (en) * 1957-08-30 1960-06-21 Westinghouse Electric Corp Electrical coil
US2958059A (en) * 1958-05-15 1960-10-25 Gen Electric Tap or lead for foil wound electrical apparatus and method of making the same
US2977556A (en) * 1957-03-15 1961-03-28 Gen Electric Electrical coil
US2981910A (en) * 1958-10-29 1961-04-25 Gen Electric Coil for electrical induction apparatus

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US486926A (en) * 1892-11-29 Coil for electrical apparatus
US926934A (en) * 1906-01-20 1909-07-06 Forest Radio Telephone Co De Wireless-telegraph tuning device.
US2246159A (en) * 1938-12-01 1941-06-17 Gen Electric Electrical coil
US2608089A (en) * 1947-07-11 1952-08-26 Emhart Mfg Co Apparatus for and method of inspecting sealed containers for relative internal pressure conditions
US2521513A (en) * 1948-08-18 1950-09-05 Gen Electric Stationary induction apparatus
US2977556A (en) * 1957-03-15 1961-03-28 Gen Electric Electrical coil
US2863130A (en) * 1957-03-21 1958-12-02 Gen Electric Coil construction for electromagnetic induction apparatus
US2942217A (en) * 1957-08-30 1960-06-21 Westinghouse Electric Corp Electrical coil
US2958059A (en) * 1958-05-15 1960-10-25 Gen Electric Tap or lead for foil wound electrical apparatus and method of making the same
US2981910A (en) * 1958-10-29 1961-04-25 Gen Electric Coil for electrical induction apparatus

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368174A (en) * 1962-05-21 1968-02-06 Westinghouse Electric Corp Spacer for pancake coils
US3308414A (en) * 1964-01-14 1967-03-07 Anaconda Wire & Cable Co Porous-refractory encapsulant for cous and coil encapsulated therewith
US3500273A (en) * 1966-12-28 1970-03-10 Foster Transformer Co Electrical transformer with heat transfer means
US3716813A (en) * 1970-11-28 1973-02-13 P Hillyard Ignition coils
US3939449A (en) * 1975-01-15 1976-02-17 Westinghouse Electric Corporation Insulated transformer windings
US4521956A (en) * 1983-07-11 1985-06-11 General Electric Company Method for making a transformer having improved space factor
US4521955A (en) * 1983-07-11 1985-06-11 General Electric Company Method of making a ducted dry type transformer
US4523169A (en) * 1983-07-11 1985-06-11 General Electric Company Dry type transformer having improved ducting
US6160464A (en) * 1998-02-06 2000-12-12 Dynapower Corporation Solid cast resin coil for high voltage transformer, high voltage transformer using same, and method of producing same
US6308401B1 (en) 1998-07-20 2001-10-30 Ohio Transformer Transformer coil and method
US6023216A (en) * 1998-07-20 2000-02-08 Ohio Transformer Transformer coil and method
US7647692B2 (en) 2001-12-21 2010-01-19 Abb Technology Ag Method of manufacturing a transformer coil having cooling ducts
US20090212897A1 (en) * 2006-10-19 2009-08-27 Abb Research Ltd Low voltage coil and transformer
CN102456476A (zh) * 2010-10-15 2012-05-16 Abb技术有限公司 油浸变压器绝缘模块
US20140354387A1 (en) * 2010-10-15 2014-12-04 Abb Technology Ag Oil transformer insulation module
US9142338B2 (en) * 2010-10-15 2015-09-22 Abb Technology Ag Oil transformer insulation module
CN102456476B (zh) * 2010-10-15 2017-03-01 Abb瑞士股份有限公司 油浸变压器绝缘模块
US20150116063A1 (en) * 2013-10-29 2015-04-30 Delta Electronics (Shanghai) Co., Ltd. Electromagnetic device and conductive structure thereof
US9734943B2 (en) * 2013-10-29 2017-08-15 Delta Electronics (Shanghai) Co., Ltd. Electromagnetic device and conductive structure thereof
US20230054802A1 (en) * 2020-01-28 2023-02-23 Magnebotix Ag Electro-Magnetic Coil with Coolant Permeability
JP2022118358A (ja) * 2021-02-02 2022-08-15 株式会社日立産機システム 変圧器

Also Published As

Publication number Publication date
CH422145A (de) 1966-10-15

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