JPS5513639A - Rotating direction controller for ac motor - Google Patents
Rotating direction controller for ac motorInfo
- Publication number
- JPS5513639A JPS5513639A JP8507878A JP8507878A JPS5513639A JP S5513639 A JPS5513639 A JP S5513639A JP 8507878 A JP8507878 A JP 8507878A JP 8507878 A JP8507878 A JP 8507878A JP S5513639 A JPS5513639 A JP S5513639A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- potential
- terminal
- low
- terminals
- 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
- Motor And Converter Starters (AREA)
Abstract
PURPOSE: To prevent a rush current from occurring and stably control the direction of rotation of an AC motor, by applying a phase rotating direction control signal only when the terminal voltage of the motor is minute.
CONSTITUTION: When operation signals of low potential are applied to terminals f1, b1, the motor is at rest because the potentials on terminals f2, b2 are high and the control signal is not applied. Applying a high potential to the terminal f1 in that case, the potential on the terminal f2 becomes low and the motor is rotated forward. At that time, power voltages are applied among the primary terminals U1∼W1 of the motor. As a result, the potential on the emitter of a light receiver TR becomes high. The potential on a terminal of a NAND element L1 is low when the potential on the terminal f1 is low and that on the terminal b1 is high and there is a residual voltage in the motor. When the residual voltage has become minute, the potential on the terminal b2 becomes low and the motor is rotated in reverse.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8507878A JPS6023596B2 (en) | 1978-07-14 | 1978-07-14 | AC motor rotation direction control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8507878A JPS6023596B2 (en) | 1978-07-14 | 1978-07-14 | AC motor rotation direction control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5513639A true JPS5513639A (en) | 1980-01-30 |
| JPS6023596B2 JPS6023596B2 (en) | 1985-06-08 |
Family
ID=13848576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8507878A Expired JPS6023596B2 (en) | 1978-07-14 | 1978-07-14 | AC motor rotation direction control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6023596B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102459734B1 (en) | 2017-08-30 | 2022-10-28 | 삼성전자 주식회사 | Video processing apparatus and the control method thereof |
-
1978
- 1978-07-14 JP JP8507878A patent/JPS6023596B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6023596B2 (en) | 1985-06-08 |
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