JPS6419903A - Electric car controller - Google Patents

Electric car controller

Info

Publication number
JPS6419903A
JPS6419903A JP17463187A JP17463187A JPS6419903A JP S6419903 A JPS6419903 A JP S6419903A JP 17463187 A JP17463187 A JP 17463187A JP 17463187 A JP17463187 A JP 17463187A JP S6419903 A JPS6419903 A JP S6419903A
Authority
JP
Japan
Prior art keywords
speed
constant
pulse
command
inverter
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.)
Granted
Application number
JP17463187A
Other languages
Japanese (ja)
Other versions
JPH0624402B2 (en
Inventor
Hiroyuki Kurihara
Satoru Horie
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
Hitachi Plant Technologies Ltd
Original Assignee
Hitachi Techno Engineering Co Ltd
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 Techno Engineering Co Ltd, Hitachi Ltd filed Critical Hitachi Techno Engineering Co Ltd
Priority to JP17463187A priority Critical patent/JPH0624402B2/en
Publication of JPS6419903A publication Critical patent/JPS6419903A/en
Publication of JPH0624402B2 publication Critical patent/JPH0624402B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

PURPOSE:To prevent the temperature rise of a snubber resistor by measuring a constant-speed operation time in each pulse mode and by stopping an inverter action after the lapse of a fixed period of time. CONSTITUTION:When a master controller 6 is inputted in a constant-speed operating position, changeover switches 9 and 10 are changed over to the make and break position opposite to that shown in the drawing. Also, if a constant- speed command is given to a target speed setter 20, a vehicle speed signal fr is latched and speed command signal fp is set. On the other hand, the constant-speed command is also given to a constant-speed counter 22. The constant-speed counter 22 starts counting when the pulse mode determined by a PWM modulator 15 is that other than 1 pulse, outputs a constant-speed ineffective command 27 after the lapse of fixed period of time, and gives an inverter stop signal to inverter 2. Thus, it is possible to prevent the temperature rise of a snubber resistor generated at a constant-speed operation in other pulse modes other than 1 pulse mode.
JP17463187A 1987-07-15 1987-07-15 Electric vehicle control device Expired - Lifetime JPH0624402B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17463187A JPH0624402B2 (en) 1987-07-15 1987-07-15 Electric vehicle control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17463187A JPH0624402B2 (en) 1987-07-15 1987-07-15 Electric vehicle control device

Publications (2)

Publication Number Publication Date
JPS6419903A true JPS6419903A (en) 1989-01-24
JPH0624402B2 JPH0624402B2 (en) 1994-03-30

Family

ID=15981970

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17463187A Expired - Lifetime JPH0624402B2 (en) 1987-07-15 1987-07-15 Electric vehicle control device

Country Status (1)

Country Link
JP (1) JPH0624402B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0739010A (en) * 1993-07-16 1995-02-07 Mitsubishi Electric Corp Control device of ac electric rolling stock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0739010A (en) * 1993-07-16 1995-02-07 Mitsubishi Electric Corp Control device of ac electric rolling stock

Also Published As

Publication number Publication date
JPH0624402B2 (en) 1994-03-30

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