JPS5875499U - Current source three-phase inverter - Google Patents

Current source three-phase inverter

Info

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
Application number
JP17011781U
Other languages
Japanese (ja)
Inventor
孝 戸田
寺嶋　正之
Original Assignee
株式会社明電舎
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP17011781U priority Critical patent/JPS5875499U/en
Publication of JPS5875499U publication Critical patent/JPS5875499U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 三相誘導機系にＰＷＭ制御を行なって給電する電流形三
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. .
JP17011781U 1981-11-14 1981-11-14 Current source three-phase inverter Pending JPS5875499U (en)

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)

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