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JPS57196857A - Frequency generator - Google Patents

Frequency generator

Info

Publication number
JPS57196857A
JPS57196857A JP8100881A JP8100881A JPS57196857A JP S57196857 A JPS57196857 A JP S57196857A JP 8100881 A JP8100881 A JP 8100881A JP 8100881 A JP8100881 A JP 8100881A JP S57196857 A JPS57196857 A JP S57196857A
Authority
JP
Japan
Prior art keywords
angle
magnetic flux
flux density
theta
generating coil
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.)
Pending
Application number
JP8100881A
Other languages
Japanese (ja)
Inventor
Kihachiro Minami
Toshihiko Nakajima
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8100881A priority Critical patent/JPS57196857A/en
Publication of JPS57196857A publication Critical patent/JPS57196857A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

PURPOSE:To enable the accurate detection of the rotating speed of a frequency generator by suitably setting the circumferential pitch angle between adjacent generating coil strands, thereby reducing the harmonic components of a general generating output signal waveform and equalizing the duty ratio. CONSTITUTION:The number of generating coil strands 2a-2h are set to 2n (n= 1, 2, 3...) per one pole, and the circumferential pitch angle between the adjacent generating coil strands 2a-2h is set to theta/2n deg. and (360-theta)/2n deg. of an electric angle when the circumferential pitch angle is the angle responsive to the distortion of a magnetic flux density distribution, i.e., an angle duration (an electric angle) theta deg. between the point of the positive maximum magnetic flux density and the point of the negative maximum magnetic flux density in the zone of 360 deg. of an arbitrary electric angle of the circumferential magnetic flux density distribution.
JP8100881A 1981-05-29 1981-05-29 Frequency generator Pending JPS57196857A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8100881A JPS57196857A (en) 1981-05-29 1981-05-29 Frequency generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8100881A JPS57196857A (en) 1981-05-29 1981-05-29 Frequency generator

Publications (1)

Publication Number Publication Date
JPS57196857A true JPS57196857A (en) 1982-12-02

Family

ID=13734477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8100881A Pending JPS57196857A (en) 1981-05-29 1981-05-29 Frequency generator

Country Status (1)

Country Link
JP (1) JPS57196857A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO346204B1 (en) * 2021-06-29 2022-04-19 Alva Ind As Winding of an electric machine made of multistrand conductors with two or more twisting levels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO346204B1 (en) * 2021-06-29 2022-04-19 Alva Ind As Winding of an electric machine made of multistrand conductors with two or more twisting levels

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