JPS54120818A - Torque detector for multiphase ac machine - Google Patents
Torque detector for multiphase ac machineInfo
- Publication number
- JPS54120818A JPS54120818A JP2825778A JP2825778A JPS54120818A JP S54120818 A JPS54120818 A JP S54120818A JP 2825778 A JP2825778 A JP 2825778A JP 2825778 A JP2825778 A JP 2825778A JP S54120818 A JPS54120818 A JP S54120818A
- Authority
- JP
- Japan
- Prior art keywords
- flux
- electromotive force
- calculator
- machine
- multiphase
- 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.)
- Granted
Links
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
PURPOSE: To operate a detection of the torque regardless of the direction of rotation, by eliminating a use of the divider for the operation.
CONSTITUTION: The constitution comprises an electromotive force calculator 18, for processing the operation of electromotive force from a terminal voltage of and current in the AC machine, a flux calculator 20, for processing the operation of flux by integrating the electromotive force obtained from said electromotive force calculator 18, multipliers 22, 24, 26, for multiplying the flux obtained from said flux calculator 20 and each phase current, and an output generating device, for generating a torque detection output by adding the product of each phase flux and current obtained from said multipliers. In such way, no use of a divider for the operation can provide an operation of the torque detection regardless of the direction of rotation.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53028257A JPS5854758B2 (en) | 1978-03-14 | 1978-03-14 | Torque detection device for polyphase alternating current machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53028257A JPS5854758B2 (en) | 1978-03-14 | 1978-03-14 | Torque detection device for polyphase alternating current machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54120818A true JPS54120818A (en) | 1979-09-19 |
JPS5854758B2 JPS5854758B2 (en) | 1983-12-06 |
Family
ID=12243506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53028257A Expired JPS5854758B2 (en) | 1978-03-14 | 1978-03-14 | Torque detection device for polyphase alternating current machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5854758B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58186398A (en) * | 1982-04-26 | 1983-10-31 | Yaskawa Electric Mfg Co Ltd | Torque detector circuit |
JPS6083937U (en) * | 1983-11-14 | 1985-06-10 | 株式会社明電舎 | Induction motor torque detection device |
JPS6188786A (en) * | 1984-10-03 | 1986-05-07 | Nippon Steel Corp | Load estimating device |
EP0849872A1 (en) * | 1996-12-19 | 1998-06-24 | STMicroelectronics S.A. | Induction motor controller |
-
1978
- 1978-03-14 JP JP53028257A patent/JPS5854758B2/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58186398A (en) * | 1982-04-26 | 1983-10-31 | Yaskawa Electric Mfg Co Ltd | Torque detector circuit |
JPH0510038B2 (en) * | 1982-04-26 | 1993-02-08 | Yaskawa Electric Corp | |
JPS6083937U (en) * | 1983-11-14 | 1985-06-10 | 株式会社明電舎 | Induction motor torque detection device |
JPS6188786A (en) * | 1984-10-03 | 1986-05-07 | Nippon Steel Corp | Load estimating device |
EP0849872A1 (en) * | 1996-12-19 | 1998-06-24 | STMicroelectronics S.A. | Induction motor controller |
FR2757709A1 (en) * | 1996-12-19 | 1998-06-26 | Sgs Thomson Microelectronics | INDUCTION MOTOR REGULATOR |
Also Published As
Publication number | Publication date |
---|---|
JPS5854758B2 (en) | 1983-12-06 |
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