JPS5510877A - Dc shunt motor controller - Google Patents
Dc shunt motor controllerInfo
- Publication number
- JPS5510877A JPS5510877A JP8375478A JP8375478A JPS5510877A JP S5510877 A JPS5510877 A JP S5510877A JP 8375478 A JP8375478 A JP 8375478A JP 8375478 A JP8375478 A JP 8375478A JP S5510877 A JPS5510877 A JP S5510877A
- Authority
- JP
- Japan
- Prior art keywords
- field
- contact
- controller
- control range
- 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.)
- Pending
Links
Landscapes
- Control Of Direct Current Motors (AREA)
Abstract
PURPOSE: To expand the field control range of and reduce the load of the field current regulator of a DC shunt motor by providing switching means directly connected to a power supply via the field current regulator and a controller for turning the switching means on in response to the armature current value.
CONSTITUTION: When a shunt motor is started, a contact 32a is closed to cause the field current to flow through the contact 32a. Accordingly, the motor is started with maximum field strength. When a driver operates an accelerator, a signal is produced from a drive instruction generator 7 to open the contact 32a to thus control the field current by a field controller 10. When the load is increased to cause the armature current to become out of the control range of the field controller, the contact 32a is closed by the signal from a direct-coupling controller 33. When the armature current returns to the control range of the controller 10, the contact 32a is again opened.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8375478A JPS5510877A (en) | 1978-07-10 | 1978-07-10 | Dc shunt motor controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8375478A JPS5510877A (en) | 1978-07-10 | 1978-07-10 | Dc shunt motor controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5510877A true JPS5510877A (en) | 1980-01-25 |
Family
ID=13811320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8375478A Pending JPS5510877A (en) | 1978-07-10 | 1978-07-10 | Dc shunt motor controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5510877A (en) |
-
1978
- 1978-07-10 JP JP8375478A patent/JPS5510877A/en active Pending
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