JPS56121380A - Stop controlling device of motor - Google Patents
Stop controlling device of motorInfo
- Publication number
- JPS56121380A JPS56121380A JP2194080A JP2194080A JPS56121380A JP S56121380 A JPS56121380 A JP S56121380A JP 2194080 A JP2194080 A JP 2194080A JP 2194080 A JP2194080 A JP 2194080A JP S56121380 A JPS56121380 A JP S56121380A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- current
- load current
- value
- voltage value
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rotational Drive Of Disk (AREA)
- Stopping Of Electric Motors (AREA)
Abstract
PURPOSE:To exactly stop-control by a method wherein the motor is stopped after making continuously the confirmation for a fixed period of time by comparing a load current detection value of the motor with each setpoint of an overload current and no-load current and by identifying an abnormal operation and no-load operation states of the motor. CONSTITUTION:The load current of the motor 4 detected through a current transformer for a measuring instrument is converted to a corresponding voltage by means of a current-voltage converter 3, and the converted voltage value is compared with a reference voltage value corresponding to the overload current value and a reference voltage value corresponding to the no-load current voltage value in a comparing circuit 9. In respective cases where the load current is larger than the overload current value and smaller than the no-load current value, signals are fed as outputs from two output means of the comparing circuit 9, respectively. Those signals respectively are displayed on an indicator 12, the signal durations respectively are counted in a timer circuit 13 and a stopping circuit 6 operates at the counts over a prescribed period of time to cause a flip-flop 7 to be reset, thereby an electromagnetic switch 1 is released from the operation to stop the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2194080A JPS56121380A (en) | 1980-02-23 | 1980-02-23 | Stop controlling device of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2194080A JPS56121380A (en) | 1980-02-23 | 1980-02-23 | Stop controlling device of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56121380A true JPS56121380A (en) | 1981-09-24 |
Family
ID=12069038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2194080A Pending JPS56121380A (en) | 1980-02-23 | 1980-02-23 | Stop controlling device of motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56121380A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61148670A (en) * | 1984-12-24 | 1986-07-07 | Toshiba Corp | Brake release signal generating device |
| JPH08138313A (en) * | 1995-05-02 | 1996-05-31 | Toshiba Corp | Brake release signal generator |
-
1980
- 1980-02-23 JP JP2194080A patent/JPS56121380A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61148670A (en) * | 1984-12-24 | 1986-07-07 | Toshiba Corp | Brake release signal generating device |
| JPH0531228B2 (en) * | 1984-12-24 | 1993-05-12 | Tokyo Shibaura Electric Co | |
| JPH08138313A (en) * | 1995-05-02 | 1996-05-31 | Toshiba Corp | Brake release signal generator |
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