IT949773B - POLYPHASE TRANSFORMER FOR A VARIABLE SPEED AND CONSTANT FREQUENCY SYSTEM - Google Patents

POLYPHASE TRANSFORMER FOR A VARIABLE SPEED AND CONSTANT FREQUENCY SYSTEM

Info

Publication number
IT949773B
IT949773B IT21274/72A IT2127472A IT949773B IT 949773 B IT949773 B IT 949773B IT 21274/72 A IT21274/72 A IT 21274/72A IT 2127472 A IT2127472 A IT 2127472A IT 949773 B IT949773 B IT 949773B
Authority
IT
Italy
Prior art keywords
variable speed
constant frequency
frequency system
polyphase transformer
polyphase
Prior art date
Application number
IT21274/72A
Other languages
Italian (it)
Original Assignee
Bendix 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 Bendix Corp filed Critical Bendix Corp
Application granted granted Critical
Publication of IT949773B publication Critical patent/IT949773B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/12—Two-phase, three-phase or polyphase transformers
    • H01F30/14—Two-phase, three-phase or polyphase transformers for changing the number of phases

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)
IT21274/72A 1971-03-02 1972-03-01 POLYPHASE TRANSFORMER FOR A VARIABLE SPEED AND CONSTANT FREQUENCY SYSTEM IT949773B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12015671A 1971-03-02 1971-03-02

Publications (1)

Publication Number Publication Date
IT949773B true IT949773B (en) 1973-06-11

Family

ID=22388590

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21274/72A IT949773B (en) 1971-03-02 1972-03-01 POLYPHASE TRANSFORMER FOR A VARIABLE SPEED AND CONSTANT FREQUENCY SYSTEM

Country Status (7)

Country Link
US (1) US3711762A (en)
JP (1) JPS553804B1 (en)
CA (1) CA927489A (en)
DE (1) DE2206610A1 (en)
FR (1) FR2128336B1 (en)
GB (1) GB1332084A (en)
IT (1) IT949773B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3142269A1 (en) * 1981-10-24 1983-05-05 Thyssen Industrie Ag, 4300 Essen ACTUATOR
US4912618A (en) * 1988-11-04 1990-03-27 Sundstrand Corporation Variable speed, constant frequency generating system with input transformer
US5070441A (en) * 1990-12-24 1991-12-03 Ashley James R Distribution of power from a six phase powerline to one- and three- phase loads
US5317299A (en) * 1991-07-03 1994-05-31 Sundstrand Corporation Electromagnetic transformer
AU9751601A (en) * 1994-01-06 2002-02-21 Hyun Laboratory Co., Ltd. Power generator
DE29503048U1 (en) * 1995-02-23 1995-04-13 Krafft, Michael, 59759 Arnsberg Three-phase transformer
US5619407A (en) * 1996-02-06 1997-04-08 Robicon Corporation Autotransformer
US7948340B2 (en) * 2007-08-29 2011-05-24 Siemens Industry, Inc. Three-phase multi-winding device
GB2458457B (en) * 2008-03-17 2010-10-20 Dynamic Dinosaurs Bv Transformer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB583627A (en) * 1943-09-17 1946-12-23 Aktie Bolaget Standard Radiofa A direct current energised reactor for multiphase current
US2790130A (en) * 1953-11-10 1957-04-23 Nyyssonen Einard Polyphase transformer phase converter system
US2790131A (en) * 1955-04-25 1957-04-23 Nyyssonen Einard Polyphase transformer system
US3118070A (en) * 1959-08-18 1964-01-14 Bell Telephone Labor Inc Electrical control circuits
US3195081A (en) * 1963-11-04 1965-07-13 Westinghouse Electric Corp Electrical transformer having doublyoriented and random-oriented laminations
US3477010A (en) * 1967-04-11 1969-11-04 Lear Jet Ind Inc Synthetic wave three phase alternating current power supply system

Also Published As

Publication number Publication date
CA927489A (en) 1973-05-29
JPS553804B1 (en) 1980-01-26
DE2206610A1 (en) 1972-09-21
US3711762A (en) 1973-01-16
FR2128336B1 (en) 1975-10-24
GB1332084A (en) 1973-10-03
FR2128336A1 (en) 1972-10-20

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