JPS6481680A - Motor controller - Google Patents
Motor controllerInfo
- Publication number
- JPS6481680A JPS6481680A JP62237302A JP23730287A JPS6481680A JP S6481680 A JPS6481680 A JP S6481680A JP 62237302 A JP62237302 A JP 62237302A JP 23730287 A JP23730287 A JP 23730287A JP S6481680 A JPS6481680 A JP S6481680A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- current component
- torque
- outputted
- torque current
- 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
Abstract
PURPOSE:To conduct a commercial synchronous parallel-off without a power- factor detector by operating the power-factor angle of a motor from a slip frequency and dividing a primary current into flux and torque components to control them. CONSTITUTION:When a synchronous parallel-off is conducted, a motor voltage phase thetaV is computed by a motor voltage phase arithmetic circuit 43 through the use of a position angle theta0 of a flux having an always constant phase relation to a voltage in place of an inverter output voltage, and said motor voltage phase is compared with a source voltage phase thetaP by a phase comparator 10 to output a phase error theta. Said phase error theta is outputted as a torque current component correction quantity IA through a low-pass filter 11. The outputted torque current component correction quantity IA is switched over to the output signal ITR of a speed control circuit 34 by a torque reference switching circuit 44, and said torque current component correction quantity IA is outputted as a torque current component ITRQ.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62237302A JPH07108109B2 (en) | 1987-09-24 | 1987-09-24 | Motor control device |
DE3887241T DE3887241T2 (en) | 1987-09-24 | 1988-09-23 | Induction motor control system. |
KR1019880012355A KR920001676B1 (en) | 1987-09-24 | 1988-09-23 | Induction motor control system |
EP88115737A EP0308974B1 (en) | 1987-09-24 | 1988-09-23 | Induction motor control system |
US07/873,711 US5212438A (en) | 1987-09-24 | 1992-04-22 | Induction motor control system |
US08/042,405 US5387855A (en) | 1987-09-24 | 1993-04-02 | Induction motor control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62237302A JPH07108109B2 (en) | 1987-09-24 | 1987-09-24 | Motor control device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6481680A true JPS6481680A (en) | 1989-03-27 |
JPH07108109B2 JPH07108109B2 (en) | 1995-11-15 |
Family
ID=17013350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62237302A Expired - Lifetime JPH07108109B2 (en) | 1987-09-24 | 1987-09-24 | Motor control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH07108109B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104167967A (en) * | 2014-08-29 | 2014-11-26 | 东南大学 | Method for controlling linear induction motor under imbalance power grid voltage conditions |
CN112910351A (en) * | 2021-01-20 | 2021-06-04 | 上海辛格林纳新时达电机有限公司 | Three-phase motor VF control vibration suppression method and device |
WO2023013302A1 (en) * | 2021-08-03 | 2023-02-09 | 株式会社日立製作所 | Driving control device and driving control method for alternating current electric motor |
-
1987
- 1987-09-24 JP JP62237302A patent/JPH07108109B2/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104167967A (en) * | 2014-08-29 | 2014-11-26 | 东南大学 | Method for controlling linear induction motor under imbalance power grid voltage conditions |
CN112910351A (en) * | 2021-01-20 | 2021-06-04 | 上海辛格林纳新时达电机有限公司 | Three-phase motor VF control vibration suppression method and device |
CN112910351B (en) * | 2021-01-20 | 2023-03-31 | 上海辛格林纳新时达电机有限公司 | Three-phase motor VF control vibration suppression method and device |
WO2023013302A1 (en) * | 2021-08-03 | 2023-02-09 | 株式会社日立製作所 | Driving control device and driving control method for alternating current electric motor |
Also Published As
Publication number | Publication date |
---|---|
JPH07108109B2 (en) | 1995-11-15 |
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Legal Events
Date | Code | Title | Description |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
EXPY | Cancellation because of completion of term |