JPS6238098U - - Google Patents
Info
- Publication number
- JPS6238098U JPS6238098U JP12910785U JP12910785U JPS6238098U JP S6238098 U JPS6238098 U JP S6238098U JP 12910785 U JP12910785 U JP 12910785U JP 12910785 U JP12910785 U JP 12910785U JP S6238098 U JPS6238098 U JP S6238098U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- voltage signal
- circuit
- voltage waveform
- correction
- 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
- 238000007493 shaping process Methods 0.000 claims description 6
- 230000011664 signaling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000003079 width control Methods 0.000 description 2
Landscapes
- Control Of Ac Motors In General (AREA)
Description
第１図は本考案に係る電気自動車用交流モータ
の制御装置の好適な実施例を示す回路ブロツク図
、第２図ａは電圧波形整形回路の好適な一実施例
を示す回路図であり、第２図ｂは第２図ａのスイ
ツチ回路の説明図、第３図は第２図の電圧波形整
形回路での各点の電圧波形を示す説明図、第４図
ａはパルス幅制御部のコンパレータを示す説明図
であり、第４図ｂはパルス幅変調を示す説明図、
第５図は従来の電気自動車用交流モータの制御装
置を示すブロツク図である。
１０……バツテリ、１４……交流モータ、３０
……インバータ主回路、３８，４０……電圧波形
整形回路、５０……補正回路、５２……コンパレ
ータ、１００……補正回路を含むパルス幅制御部
。
FIG. 1 is a circuit block diagram showing a preferred embodiment of a control device for an electric vehicle AC motor according to the present invention, FIG. 2a is a circuit diagram showing a preferred embodiment of a voltage waveform shaping circuit, and FIG. Figure 2b is an explanatory diagram of the switch circuit of Figure 2a, Figure 3 is an explanatory diagram showing the voltage waveform at each point in the voltage waveform shaping circuit of Figure 2, and Figure 4a is an illustration of the comparator of the pulse width control section. FIG. 4b is an explanatory diagram showing pulse width modulation,
FIG. 5 is a block diagram showing a conventional control device for an AC motor for an electric vehicle. 10...Battery, 14...AC motor, 30
... Inverter main circuit, 38, 40 ... Voltage waveform shaping circuit, 50 ... Correction circuit, 52 ... Comparator, 100 ... Pulse width control unit including correction circuit.
Claims (1)
ルス幅制御し直流電力を交流に変換して交流モー
タに供給する電気自動車用交流モータの制御装置
において、インバータ主回路の出力電圧を検出し
この電圧波形を整形する電圧波形整形回路と、こ
の電圧波形整形回路の出力電圧信号と前記指令電
圧信号とを比較して補正指令電圧信号を出力する
補正回路と、を設け、前記補正指令電圧信号に基
づいて制御パルスのデユーテイー比を変えること
により交流モータの印加電圧を制御することを特
徴とする電気自動車用交流モータの制御装置。 In an electric vehicle AC motor control device that controls the pulse width of the inverter main circuit based on a command voltage signal, converts DC power into AC power, and supplies the AC motor to the AC motor, the output voltage of the inverter main circuit is detected and this voltage waveform is detected. A voltage waveform shaping circuit for shaping, and a correction circuit for comparing an output voltage signal of the voltage waveform shaping circuit with the command voltage signal and outputting a correction command voltage signal, and controlling based on the correction command voltage signal. A control device for an AC motor for an electric vehicle, characterized in that the voltage applied to the AC motor is controlled by changing the duty ratio of pulses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12910785U JPS6238098U (en) | 1985-08-23 | 1985-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12910785U JPS6238098U (en) | 1985-08-23 | 1985-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6238098U true JPS6238098U (en) | 1987-03-06 |
Family
ID=31025383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12910785U Pending JPS6238098U (en) | 1985-08-23 | 1985-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6238098U (en) |
-
1985
- 1985-08-23 JP JP12910785U patent/JPS6238098U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6238098U (en) | ||
| JPS6188401U (en) | ||
| JPS61126792U (en) | ||
| JPS61192686U (en) | ||
| JPS6219099U (en) | ||
| JPH0354398U (en) | ||
| JPS61164515U (en) | ||
| JPS63120583U (en) | ||
| JPS6069501U (en) | Generator control device for passenger car heater power supply of internal combustion vehicles | |
| JPS6184689U (en) | ||
| JPS6251993U (en) | ||
| JPS6317597U (en) | ||
| JPS6233696U (en) | ||
| JPS62178701U (en) | ||
| JPS6284392U (en) | ||
| JPH01105396U (en) | ||
| JPS6295402U (en) | ||
| JPS6152497U (en) | ||
| JPS61114903U (en) | ||
| JPS6397386U (en) | ||
| JPS6445402U (en) | ||
| JPH02136483U (en) | ||
| JPS6264199U (en) | ||
| JPH02150799U (en) | ||
| JPS6253710U (en) |