JPS58175995A - Protecting circuit for inverter motor - Google Patents
Protecting circuit for inverter motorInfo
- Publication number
- JPS58175995A JPS58175995A JP57055411A JP5541182A JPS58175995A JP S58175995 A JPS58175995 A JP S58175995A JP 57055411 A JP57055411 A JP 57055411A JP 5541182 A JP5541182 A JP 5541182A JP S58175995 A JPS58175995 A JP S58175995A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- reverse rotation
- inverter
- inverter motor
- protecting circuit
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
- H02P3/18—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor
- H02P3/20—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor by reversal of phase sequence of connections to the motor
Abstract
PURPOSE:To prevent an inverter motor from burning out by braking the motor in the reverse rotation when the motor is energized in the reverse rotation. CONSTITUTION:When an inverter motor 1 is rotated reversely to the normal rotating direction, the reverse rotation of the motor 1 is detected by the overcurrent detector (23-31) of the inverter. Simultaneously the drive frequency of the motor 1 is clamped to the prescribed value by a clamper, and the time for energizing the motor 1 is controlled in response to the speed of reverse rotation. Thus, the lower voltage is applied to the motor, thereby gradually increasing the control operation, and thereby preventing the motor from burning out.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57055411A JPS58175995A (en) | 1982-04-05 | 1982-04-05 | Protecting circuit for inverter motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57055411A JPS58175995A (en) | 1982-04-05 | 1982-04-05 | Protecting circuit for inverter motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58175995A true JPS58175995A (en) | 1983-10-15 |
Family
ID=12997811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57055411A Pending JPS58175995A (en) | 1982-04-05 | 1982-04-05 | Protecting circuit for inverter motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58175995A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60207472A (en) * | 1984-03-31 | 1985-10-19 | Toshiba Corp | Operating method of inverter for driving ac motor |
JPS6369490A (en) * | 1986-09-05 | 1988-03-29 | Sharp Corp | Air conditioner |
CN104734577A (en) * | 2013-12-24 | 2015-06-24 | 日本电产高科电机株式会社 | Motor driving device |
-
1982
- 1982-04-05 JP JP57055411A patent/JPS58175995A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60207472A (en) * | 1984-03-31 | 1985-10-19 | Toshiba Corp | Operating method of inverter for driving ac motor |
JPS6369490A (en) * | 1986-09-05 | 1988-03-29 | Sharp Corp | Air conditioner |
CN104734577A (en) * | 2013-12-24 | 2015-06-24 | 日本电产高科电机株式会社 | Motor driving device |
JP2015122883A (en) * | 2013-12-24 | 2015-07-02 | 日本電産テクノモータ株式会社 | Motor drive device |
CN104734577B (en) * | 2013-12-24 | 2018-10-16 | 日本电产高科电机株式会社 | Motor drive |
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