JPS6055201U - Electric vehicle drive system - Google Patents
Electric vehicle drive systemInfo
- Publication number
- JPS6055201U JPS6055201U JP1983147980U JP14798083U JPS6055201U JP S6055201 U JPS6055201 U JP S6055201U JP 1983147980 U JP1983147980 U JP 1983147980U JP 14798083 U JP14798083 U JP 14798083U JP S6055201 U JPS6055201 U JP S6055201U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- electric vehicle
- type pwm
- drive system
- vehicle drive
- 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
- Control Of Ac Motors In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来技術を示す簡略回路図、第2図はインバー
タの出力電圧と基本波周波数とのv−f特性図、第3図
は従来技術における低速でのパルス波形図、第4図は本
考案による低速でのパルス波形の一例を示す図、第5図
は本考案の一実施例を示す簡略回路図である。
図面中、1は直流電源、5と7は誘導電動機、6と8は
電圧形PWMインバータ、9,10及び11はスイッチ
、12は切替制御装置、13はインバータ制御装置、1
3aはスイッチ切替指令信号である。Figure 1 is a simplified circuit diagram showing the prior art, Figure 2 is a v-f characteristic diagram of the inverter output voltage and fundamental wave frequency, Figure 3 is a pulse waveform diagram at low speed in the prior art, and Figure 4 is A diagram showing an example of a pulse waveform at low speed according to the present invention, and FIG. 5 is a simplified circuit diagram showing an embodiment of the present invention. In the drawing, 1 is a DC power supply, 5 and 7 are induction motors, 6 and 8 are voltage type PWM inverters, 9, 10 and 11 are switches, 12 is a switching control device, 13 is an inverter control device, 1
3a is a switch switching command signal.
Claims (1)
電気車輌を駆動する装置において、誘導電動機とこれに
給電する電圧形インバータとの組を二組以上備えると共
に、電圧形PWMインバータの入力側どうしの接続を切
替えることによって電源電圧に対する負担電圧の割合を
切替える接続切替装置と、電気車輌の運転速度に応じた
周波数の低い方から高い方へ順に電圧形PWMインバー
タの入力電圧が高くなるよう接続切替装置を制御する切
替制御装置とを備えたことを特徴とする電気車輌の駆動
装置。A device for driving an electric vehicle by supplying power to an induction motor using a voltage-type PWM inverter, which includes two or more sets of an induction motor and a voltage-type inverter that supplies power thereto, and connecting the input sides of the voltage-type PWM inverters to each other. A connection switching device that changes the ratio of burden voltage to the power supply voltage by switching, and a connection switching device that controls the input voltage of the voltage-type PWM inverter to increase in order from the lowest frequency to the highest frequency according to the driving speed of the electric vehicle. A drive device for an electric vehicle, comprising a switching control device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1983147980U JPS6055201U (en) | 1983-09-24 | 1983-09-24 | Electric vehicle drive system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1983147980U JPS6055201U (en) | 1983-09-24 | 1983-09-24 | Electric vehicle drive system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6055201U true JPS6055201U (en) | 1985-04-18 |
Family
ID=30328923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1983147980U Pending JPS6055201U (en) | 1983-09-24 | 1983-09-24 | Electric vehicle drive system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6055201U (en) |
-
1983
- 1983-09-24 JP JP1983147980U patent/JPS6055201U/en active Pending
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