JPS58100485U - Inverter gate signal generation circuit - Google Patents
Inverter gate signal generation circuitInfo
- Publication number
- JPS58100485U JPS58100485U JP19309581U JP19309581U JPS58100485U JP S58100485 U JPS58100485 U JP S58100485U JP 19309581 U JP19309581 U JP 19309581U JP 19309581 U JP19309581 U JP 19309581U JP S58100485 U JPS58100485 U JP S58100485U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- generation circuit
- generator
- gate signal
- 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
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、第２図は従来の正弦波変調方式によるゲート信
号、線間電圧を得る一例を示す波形図、第３図は従来の
正弦波変調方式により得られる出力線間パルスの代表す
る電圧波形を示す図、第４図、第５図は本考案の一実施
例を示すブロック図、各出力波形図、第６図は搬送波周
波数とインバータ周波数の関係例を示す説明図である。
１、ｌ’、１″・・・・・・正弦波発生器、２・・・・
・・三角波発生器、３、・・・・・・パルス発生器、４
．４’、４″・・・・・・ホールド回路、５．５’、５
″・・・・・・比較器、ＷＡ、ＷＢ・・・・・・線間電
圧波形。
ｒ
Ｊ坐１ト
−！
４坐炉 −
一多５圀
１−一一Figures 1 and 2 are waveform diagrams showing an example of obtaining the gate signal and line voltage using the conventional sine wave modulation method, and Figure 3 is a representative voltage of the output line pulse obtained using the conventional sine wave modulation method. FIGS. 4 and 5 are block diagrams showing an embodiment of the present invention, and each output waveform is a diagram showing waveforms. FIG. 6 is an explanatory diagram showing an example of the relationship between carrier frequency and inverter frequency. 1, l', 1''...Sine wave generator, 2...
...Triangular wave generator, 3, ...Pulse generator, 4
．． 4', 4''...Hold circuit, 5.5', 5
″... Comparator, WA, WB... Line voltage waveform.
Claims (1)
タにおいて、三相正弦波を発生する第１の発生回路の出
力信号に零点を一致させた三角波信号を与える第２の発
生回路、該第２の発生回路の三角波折点ごとにパルス出
力を送出するパルス発生器と、該パルス発生器出力より
前記第１の発生回路の出力値を保持するホールド回路と
を備え、該ホールド回路と前記第２の発生回路の出力値
の交点より主制御素子のオンオフ信号を得るようにした
ことを特徴とするインバータのゲート信号発生回路。In a pulse width modulation type inverter for variable speed driving of an induction motor, a second generating circuit that generates a triangular wave signal whose zero point coincides with the output signal of the first generating circuit that generates a three-phase sine wave; A pulse generator that sends out a pulse output at each triangular wave corner point of the generator circuit, and a hold circuit that holds the output value of the first generator circuit from the output of the pulse generator, the hold circuit and the second A gate signal generation circuit for an inverter, characterized in that an on/off signal for a main control element is obtained from an intersection of output values of the generation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19309581U JPS58100485U (en) | 1981-12-28 | 1981-12-28 | Inverter gate signal generation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19309581U JPS58100485U (en) | 1981-12-28 | 1981-12-28 | Inverter gate signal generation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58100485U true JPS58100485U (en) | 1983-07-08 |
Family
ID=30106465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19309581U Pending JPS58100485U (en) | 1981-12-28 | 1981-12-28 | Inverter gate signal generation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58100485U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828924A (en) * | 1971-08-21 | 1973-04-17 | ||
| JPS5543916A (en) * | 1978-09-20 | 1980-03-28 | Hitachi Ltd | Modulation device of pwm inverter |
-
1981
- 1981-12-28 JP JP19309581U patent/JPS58100485U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828924A (en) * | 1971-08-21 | 1973-04-17 | ||
| JPS5543916A (en) * | 1978-09-20 | 1980-03-28 | Hitachi Ltd | Modulation device of pwm inverter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58100485U (en) | Inverter gate signal generation circuit | |
| JPS583780U (en) | Synchronous pulse signal generation circuit | |
| JPS58100495U (en) | Inverter gate signal generation circuit | |
| JPS589091U (en) | Pulse width modulation type inverter control device | |
| JPS5857294U (en) | Inverter gate signal generation circuit | |
| JPS5985089U (en) | of the inverter | |
| JPS5913099U (en) | Voltage type inverter control device | |
| JPS60117698U (en) | Electric motor speed control device | |
| JPS6048388U (en) | Inverter gate signal generation circuit | |
| JPS59149068U (en) | PWM inverter voltage detection device | |
| JPS59149488U (en) | Control circuit of inverter device | |
| JPS612798U (en) | AC motor control device | |
| JPS60119895U (en) | Inverter voltage control circuit | |
| JPS59126542U (en) | Automatic power factor adjustment device for parallel generators | |
| JPS5846290U (en) | Control circuit of current type three-phase inverter | |
| JPS59159193U (en) | Gate circuit for variable voltage/variable frequency inverter | |
| JPS60151233U (en) | Resolver disconnection detection circuit | |
| JPS59159199U (en) | AC motor speed control device | |
| JPS6117892U (en) | Regenerative power discharge device for inverter equipment | |
| JPS58114656U (en) | Blanking pulse generation circuit | |
| JPS59155897U (en) | AC motor speed control device | |
| JPS58150389U (en) | frequency converter | |
| JPS6028498U (en) | Inverter device | |
| JPS5920314U (en) | DC stabilized power supply | |
| JPS5849505U (en) | Vehicle motor control device |