JPS5574386A - Regenerative braking device for dc shunt motor - Google Patents
Regenerative braking device for dc shunt motorInfo
- Publication number
- JPS5574386A JPS5574386A JP14807978A JP14807978A JPS5574386A JP S5574386 A JPS5574386 A JP S5574386A JP 14807978 A JP14807978 A JP 14807978A JP 14807978 A JP14807978 A JP 14807978A JP S5574386 A JPS5574386 A JP S5574386A
- Authority
- JP
- Japan
- Prior art keywords
- storage battery
- battery terminal
- reference voltage
- voltage
- signal
- 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
Abstract
PURPOSE: To reduce circuit losses, operate efficient regeneration and operate smooth braking, by suppressing the back electromotive force of a DC shunt motor below a specified value and thereby suppressing the storage buttery charging current below a suitable level.
CONSTITUTION: When storage battery terminal signal VB exceeds reference voltage V20, signal V21, which is proportional to this, is outputted from voltage comparator 35 and it becomes a negative input of subtracter 36. As the positive input of subtracter 36 is given field current command signal V6. When storage battery terminal signal VB is larger than reference voltage V20, the actual field current becomes smaller than the value corresponding to field current command signal V6. For this reason, the back electromotive force of armature 2 decreases, and as a result, storage battery terminal voltage VB is suppressed below a certain value with respect to reference voltage V20. When storage battery terminal voltage VB is smaller than reference voltage V20, the output of voltage comparator 35 becomes zero.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14807978A JPS5574386A (en) | 1978-11-29 | 1978-11-29 | Regenerative braking device for dc shunt motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14807978A JPS5574386A (en) | 1978-11-29 | 1978-11-29 | Regenerative braking device for dc shunt motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5574386A true JPS5574386A (en) | 1980-06-04 |
Family
ID=15444746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14807978A Pending JPS5574386A (en) | 1978-11-29 | 1978-11-29 | Regenerative braking device for dc shunt motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5574386A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51109613A (en) * | 1975-03-20 | 1976-09-28 | Sony Corp |
-
1978
- 1978-11-29 JP JP14807978A patent/JPS5574386A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51109613A (en) * | 1975-03-20 | 1976-09-28 | Sony Corp |
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