JPS5875499U - Current source three-phase inverter - Google Patents
Current source three-phase inverterInfo
- Publication number
- JPS5875499U JPS5875499U JP17011781U JP17011781U JPS5875499U JP S5875499 U JPS5875499 U JP S5875499U JP 17011781 U JP17011781 U JP 17011781U JP 17011781 U JP17011781 U JP 17011781U JP S5875499 U JPS5875499 U JP S5875499U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- phase inverter
- width pulse
- phases
- current source
- 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
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図ないし第3図は従来における三つの例を示す誘導
電動機に給電される電流波形およびトルク波形図、第4
図および第5図は本考案による電流形三和インバータの
一例を示し、第4図は電流・トルク波形図、第5図は簡
略ブロック図である。
図面中、1はインバータである。Figures 1 to 3 are current waveform and torque waveform diagrams supplied to an induction motor showing three conventional examples;
5 and 5 show an example of the current source Sanwa inverter according to the present invention, FIG. 4 is a current/torque waveform diagram, and FIG. 5 is a simplified block diagram. In the drawing, 1 is an inverter.
Claims (1)
相インバータにおいて、正弦波半波長に相応する導通幅
パルスにつき、この導通幅パルスを1/3位相で断続し
ついで1/3位相で連続l−さらに173位相で断続し
た導通パターンのうち、最初の173位相内のOがらX
/6まで上記導通幅パルスの波高値を次第に増大させる
と共に、最後の173位相内の5X/6からXまでの上
記導通幅パルスの波高値を次第に減少させることを特徴
とする電流形三相インバータ。In a current-source three-phase inverter that performs PWM control to supply power to a three-phase induction machine system, for a conduction width pulse corresponding to a half wavelength of a sine wave, this conduction width pulse is intermittent at 1/3 phase, and then at 1/3 phase. Continuous L - Out of the conduction patterns that are further interrupted in 173 phases, O to X within the first 173 phases
A current source three-phase inverter, characterized in that the peak value of the conduction width pulse is gradually increased up to /6, and the peak value of the conduction width pulse is gradually decreased from 5X/6 to X within the last 173 phases. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17011781U JPS5875499U (en) | 1981-11-14 | 1981-11-14 | Current source three-phase inverter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17011781U JPS5875499U (en) | 1981-11-14 | 1981-11-14 | Current source three-phase inverter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5875499U true JPS5875499U (en) | 1983-05-21 |
Family
ID=29962082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17011781U Pending JPS5875499U (en) | 1981-11-14 | 1981-11-14 | Current source three-phase inverter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5875499U (en) |
-
1981
- 1981-11-14 JP JP17011781U patent/JPS5875499U/en active Pending
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