IT1019841B - Metodo atto a ridurre l effetto corona di una macchina elettrica rotante - Google Patents

Metodo atto a ridurre l effetto corona di una macchina elettrica rotante

Info

Publication number
IT1019841B
IT1019841B IT26182/74A IT2618274A IT1019841B IT 1019841 B IT1019841 B IT 1019841B IT 26182/74 A IT26182/74 A IT 26182/74A IT 2618274 A IT2618274 A IT 2618274A IT 1019841 B IT1019841 B IT 1019841B
Authority
IT
Italy
Prior art keywords
reduce
electric machine
rotating electric
crown effect
crown
Prior art date
Application number
IT26182/74A
Other languages
English (en)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of IT1019841B publication Critical patent/IT1019841B/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/40—Windings characterised by the shape, form or construction of the insulation for high voltage, e.g. affording protection against corona discharges
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
IT26182/74A 1973-08-13 1974-08-09 Metodo atto a ridurre l effetto corona di una macchina elettrica rotante IT1019841B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00388009A US3824683A (en) 1973-08-13 1973-08-13 Method for reducing corona in a dynamoelectric machine

Publications (1)

Publication Number Publication Date
IT1019841B true IT1019841B (it) 1977-11-30

Family

ID=23532248

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26182/74A IT1019841B (it) 1973-08-13 1974-08-09 Metodo atto a ridurre l effetto corona di una macchina elettrica rotante

Country Status (5)

Country Link
US (1) US3824683A (it)
BR (1) BR7406409D0 (it)
ES (1) ES428160A1 (it)
FR (1) FR2241156B1 (it)
IT (1) IT1019841B (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1016586A (en) * 1974-02-18 1977-08-30 Hubert G. Panter Grounding of outer winding insulation to cores in dynamoelectric machines
US3943392A (en) * 1974-11-27 1976-03-09 Allis-Chalmers Corporation Combination slot liner and retainer for dynamoelectric machine conductor bars
US4112041A (en) * 1975-02-17 1978-09-05 Canadian General Electric Company Method for reducing corona in dynamoelectric machines
US4446393A (en) * 1976-10-29 1984-05-01 The Globe Tool & Engineering Company Dynamoelectric field assembly and winding therefor
US4312387A (en) * 1976-10-29 1982-01-26 The Globe Tool And Engineering Company Apparatus for making dynamoelectric field member
CH627031A5 (it) * 1978-08-09 1981-12-15 Portescap
US4207482A (en) * 1978-11-14 1980-06-10 Westinghouse Electric Corp. Multilayered high voltage grading system for electrical conductors
US4279277A (en) * 1979-09-13 1981-07-21 The Globe Tool & Engineering Company Apparatus for manufacturing a dynamolelectric field member
US4327349A (en) * 1980-03-19 1982-04-27 General Electric Company Transformer core having charge dissipation facility
US4479104A (en) * 1980-03-19 1984-10-23 General Electric Company Transformer core having charge dissipation facility
DE3016990A1 (de) * 1980-05-02 1981-11-12 Kraftwerk Union AG, 4330 Mülheim Vorrichtung zum fixieren von wicklungsstaeben in nuten elektrischer maschinen, insbesondere turbogeneratoren
DE4218928A1 (de) * 1992-06-10 1993-12-16 Asea Brown Boveri Glimmschutzanordnung für die Statorwicklung einer elektrischen Maschine
US5821649A (en) * 1995-08-18 1998-10-13 Magnetek, Inc. Electrostatic shielding system for reduction of bearing currents in electric motors
US5623174A (en) * 1995-12-08 1997-04-22 General Electric Co. Internal grading of generator stator bars with electrically conducting thermoplastic paints
US6181042B1 (en) 1998-05-30 2001-01-30 General Electric Co. Method for preventing corona surface damage in end windings of air-cooled motors and generators
US6879081B1 (en) * 2000-08-04 2005-04-12 American Superconductor Corporation Stator coil assembly for superconducting rotating machines
JP3752431B2 (ja) * 2001-02-28 2006-03-08 株式会社日立製作所 回転電機及びその製造方法
US6930426B2 (en) * 2003-11-26 2005-08-16 Visteon Global Technologies, Inc. Alternator stator having a multiple filar construction to improve convective cooling
AT412694B (de) * 2002-08-13 2005-05-25 Va Tech Hydro Gmbh & Co Verfahren zum beheben von defekten an elektrisch leitfähigen beschichtungen zur potentialsteuerung
US20040079566A1 (en) * 2002-10-24 2004-04-29 General Electric Company Stator insulation protection system
US6940203B2 (en) * 2003-10-23 2005-09-06 Siemens Westinghouse Power Corporation Grounding and clamping member for stator coil
US8288911B2 (en) * 2006-12-15 2012-10-16 General Electric Company Non-linear dielectrics used as electrical insulation for rotating electrical machinery
US8203249B1 (en) * 2011-09-19 2012-06-19 Rao Dantam K Reducing the core-end heating in large power generators
ES2558859T3 (es) * 2011-12-15 2016-02-09 Siemens Aktiengesellschaft Procedimiento para fabricar un escudo contra el efecto corona, sistema de escudo contra el efecto corona de curado rápido y máquina eléctrica
US9508470B2 (en) 2013-10-29 2016-11-29 General Electric Company Vibration damage repair in dynamoelectric machines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1784990A (en) * 1928-03-03 1930-12-16 Westinghouse Electric & Mfg Co Corona elimination in dynamo-electric machines
US2613238A (en) * 1951-07-27 1952-10-07 Gen Electric Elimination of corona in electrical apparatus
CH466415A (de) * 1967-12-05 1968-12-15 Bbc Brown Boveri & Cie Einrichtung zur Verhinderung von Glimmentladungen zwischen zwei isolierten Leitern unterschiedlichen Potentials, insbesondere bei rotierenden Maschinen

Also Published As

Publication number Publication date
FR2241156A1 (it) 1975-03-14
FR2241156B1 (it) 1978-06-16
ES428160A1 (es) 1976-07-16
BR7406409D0 (pt) 1975-05-27
US3824683A (en) 1974-07-23

Similar Documents

Publication Publication Date Title
IT1019841B (it) Metodo atto a ridurre l effetto corona di una macchina elettrica rotante
IT1030826B (it) Perfezionamenti jrelativi a tenute e metodo per la loro fabbricazione
IT1011422B (it) Utensile e motore per applicare una coppia e suoi componenti
IT1032699B (it) Macchina elettrica rotante deltipo a riluttanza
IT967531B (it) Statore per macchina elettrica rotante
IT1017213B (it) Processo per la produzione di una composizione termoplastica schiu mabile
IT939047B (it) Procedimento di fabbricazione di macchine elettriche ruotanti
SE418939B (sv) Tredbearbetningsmaskin
IT947765B (it) Processo per preparare polvere di politetrafluoroetilene
IT1019326B (it) Perfezionamento nelle macchine per la produzione di lattine
IT1011211B (it) Perfezionamenti relativi ai tamburi rotanti
AR201862A1 (es) Una maquina de electroerosion
IT966164B (it) Metodo per ridurre la tensione di lavoro di una cella elettrochi mica
IT947997B (it) Schema d avvolgimento di macchina elettrica rotante
IT1003594B (it) Macchina elettrica
IT1015612B (it) Serraggio della testata dell av volgimento rotorico in macchine elettriche veloci in particolare turbolaternatori
IT1007687B (it) Cilindro rotante
IT1038250B (it) Apparecchiatura per indicare l uscita di una macchina
IT1004086B (it) Applicazione di una chiusura lampo e metodo per realizzarla
IT1034638B (it) Etodo e apparato per l assiemaggio di una machchina elettrica rotante
IT1049077B (it) Rotore di una macchina elettrica in particolare di costruzione verticale
IT1056058B (it) Processo per produrre chinossalin di a ossidi
SE424388B (sv) Elektromaskin av vertikal utforande
IT996488B (it) Metodo di fabbricazione di una macchina dinamo elettrica
SE422653B (sv) Siktmaskin