JPS5429414A - Electric car control system - Google Patents
Electric car control systemInfo
- Publication number
- JPS5429414A JPS5429414A JP9384477A JP9384477A JPS5429414A JP S5429414 A JPS5429414 A JP S5429414A JP 9384477 A JP9384477 A JP 9384477A JP 9384477 A JP9384477 A JP 9384477A JP S5429414 A JPS5429414 A JP S5429414A
- Authority
- JP
- Japan
- Prior art keywords
- control system
- electric car
- speed
- car control
- control
- 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 Linear Motors (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
PURPOSE: To simplify transducer, in electric car drive alternater speed control system, by variable voltage variable frequency transduce (VVVF) control at low speed and by variable voltage constant frequency (VVCF) or constant voltage constant frequency (CVCF) control at speed higher than predetermined speed.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9384477A JPS5429414A (en) | 1977-08-04 | 1977-08-04 | Electric car control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9384477A JPS5429414A (en) | 1977-08-04 | 1977-08-04 | Electric car control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5429414A true JPS5429414A (en) | 1979-03-05 |
Family
ID=14093701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9384477A Pending JPS5429414A (en) | 1977-08-04 | 1977-08-04 | Electric car control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5429414A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12017539B2 (en) | 2020-10-14 | 2024-06-25 | Crrc Qingdao Sifang Co., Ltd. | Voltage control method and apparatus, system, and maglev train |
-
1977
- 1977-08-04 JP JP9384477A patent/JPS5429414A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12017539B2 (en) | 2020-10-14 | 2024-06-25 | Crrc Qingdao Sifang Co., Ltd. | Voltage control method and apparatus, system, and maglev train |
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