JPS6055202U - Electric vehicle drive system - Google Patents
Electric vehicle drive systemInfo
- Publication number
- JPS6055202U JPS6055202U JP1983147981U JP14798183U JPS6055202U JP S6055202 U JPS6055202 U JP S6055202U JP 1983147981 U JP1983147981 U JP 1983147981U JP 14798183 U JP14798183 U JP 14798183U JP S6055202 U JPS6055202 U JP S6055202U
- Authority
- JP
- Japan
- Prior art keywords
- electric vehicle
- connection
- induction motor
- 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
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) [Abstract] 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、第６図は本考案
における一例としてのｖ−ｆ特性図である。
図面中、１は直流電源、２は電圧形ＰＷＭインバータ、
５は誘導電動機の一次巻線、６ａ〜６ｅ、？ａ〜７ｃ、
８ａ〜８ｃはスイッチ、９は切替制御装置、１０はイン
バータ制御装置、ｌｅａ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 FIG. 5 is a simplified circuit diagram showing an embodiment of the present invention, and FIG. 6 is a vf characteristic diagram as an example of the present invention. In the drawing, 1 is a DC power supply, 2 is a voltage type PWM inverter,
5 is the primary winding of the induction motor, 6a to 6e, ? a~7c,
8a to 8c are switches, 9 is a switching control device, 10 is an inverter control device, and lea is a switch switching command signal.
Claims (1)
電気車輌を駆動する装置において、誘導電動機の一次巻
線に介設される内部起電力を変えるように結線を切替え
る結線切替装置と、電気車輌の運転速度に応じたインバ
ータ出力の周波数の高い方から低い方へ順に、誘導電動
機の内部起電力が高くなる結線に変えるように結線切替
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。In a device for driving an electric vehicle by supplying power to an induction motor using a voltage-type PWM inverter, there is provided a connection switching device that switches the connection so as to change the internal electromotive force interposed in the primary winding of the induction motor, and a driving speed of the electric vehicle. an electric vehicle, characterized in that it is equipped with a switching control device that controls a connection switching device to change the connection to one in which the internal electromotive force of the induction motor increases in order from the highest frequency to the lowest frequency of the inverter output according to the drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983147981U JPS6055202U (en) | 1983-09-24 | 1983-09-24 | Electric vehicle drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983147981U JPS6055202U (en) | 1983-09-24 | 1983-09-24 | Electric vehicle drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6055202U true JPS6055202U (en) | 1985-04-18 |
Family
ID=30328925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983147981U Pending JPS6055202U (en) | 1983-09-24 | 1983-09-24 | Electric vehicle drive system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6055202U (en) |
-
1983
- 1983-09-24 JP JP1983147981U patent/JPS6055202U/en active Pending
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