JPS5298921A - Electric motor driving device - Google Patents

Electric motor driving device

Info

Publication number
JPS5298921A
JPS5298921A JP1491776A JP1491776A JPS5298921A JP S5298921 A JPS5298921 A JP S5298921A JP 1491776 A JP1491776 A JP 1491776A JP 1491776 A JP1491776 A JP 1491776A JP S5298921 A JPS5298921 A JP S5298921A
Authority
JP
Japan
Prior art keywords
electric motor
driving device
motor driving
control circuit
speed 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
Application number
JP1491776A
Other languages
Japanese (ja)
Inventor
Shigeru Kuriyama
Ryoji Kasama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1491776A priority Critical patent/JPS5298921A/en
Publication of JPS5298921A publication Critical patent/JPS5298921A/en
Pending legal-status Critical Current

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

Abstract

PURPOSE: To improve gradability characteristic of speed control circuit used for an electric vehicle by increasing a motor current for decreasing through-flow ratio of chopper of speed control circuit.
COPYRIGHT: (C)1977,JPO&Japio
JP1491776A 1976-02-16 1976-02-16 Electric motor driving device Pending JPS5298921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1491776A JPS5298921A (en) 1976-02-16 1976-02-16 Electric motor driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1491776A JPS5298921A (en) 1976-02-16 1976-02-16 Electric motor driving device

Publications (1)

Publication Number Publication Date
JPS5298921A true JPS5298921A (en) 1977-08-19

Family

ID=11874306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1491776A Pending JPS5298921A (en) 1976-02-16 1976-02-16 Electric motor driving device

Country Status (1)

Country Link
JP (1) JPS5298921A (en)

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