JPS5658704A - Control system of electric car - Google Patents
Control system of electric carInfo
- Publication number
- JPS5658704A JPS5658704A JP13422979A JP13422979A JPS5658704A JP S5658704 A JPS5658704 A JP S5658704A JP 13422979 A JP13422979 A JP 13422979A JP 13422979 A JP13422979 A JP 13422979A JP S5658704 A JPS5658704 A JP S5658704A
- Authority
- JP
- Japan
- Prior art keywords
- switch
- during
- turned
- electric car
- time
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
PURPOSE: To reduce actuation frequency of a switch by a method wherein switches inserted between a trolley wire and an load are closed during the coasting of an electric car.
CONSTITUTION: In a control system of an electric car, including: (A) a switch S inserted between a trolley wire and a load, (B) a chopper system CH driving a DC motor which can function as a generator through an intermediary of a reactor LF absorbing higher harmonics wave components of a negative side being connected to said switch S and a filter part being constituted a filter capactor CF, and (C) a controlling means performing a preliminary excitement during braking by the voltage of the filter capacitor, control is performed so as to close the switch S during a coasting operation. At this time, in comparison with the time when the switch is turned ON during a power running, the switch is turned OFF during the coasting operation and switch S is turned ON and soon is turned OFF during the braking time, the switch S of this system is not turned OFF by turning the power running notch OFF, but is continuously held ON, as a result, the actuation frequency of the switch operation can be reduced.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13422979A JPS5658704A (en) | 1979-10-19 | 1979-10-19 | Control system of electric car |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13422979A JPS5658704A (en) | 1979-10-19 | 1979-10-19 | Control system of electric car |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5658704A true JPS5658704A (en) | 1981-05-21 |
Family
ID=15123437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13422979A Pending JPS5658704A (en) | 1979-10-19 | 1979-10-19 | Control system of electric car |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5658704A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4471277A (en) * | 1982-04-30 | 1984-09-11 | Westinghouse Electric Corp. | Vehicle propulsion motor control apparatus |
-
1979
- 1979-10-19 JP JP13422979A patent/JPS5658704A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4471277A (en) * | 1982-04-30 | 1984-09-11 | Westinghouse Electric Corp. | Vehicle propulsion motor control apparatus |
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