JPS58112035U - Induction motor power switching circuit - Google Patents

Induction motor power switching circuit

Info

Publication number
JPS58112035U
JPS58112035U JP889582U JP889582U JPS58112035U JP S58112035 U JPS58112035 U JP S58112035U JP 889582 U JP889582 U JP 889582U JP 889582 U JP889582 U JP 889582U JP S58112035 U JPS58112035 U JP S58112035U
Authority
JP
Japan
Prior art keywords
induction motor
switching circuit
power switching
motor power
power supply
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
JP889582U
Other languages
Japanese (ja)
Inventor
江藤 憲昭
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP889582U priority Critical patent/JPS58112035U/en
Publication of JPS58112035U publication Critical patent/JPS58112035U/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 drawings]

図はこの考案の一実施例による電源切替回路を示す回路
図である。図において、1は誘導電動機、2は第1の切
替スイッチ、3は可変周波数変換装置、4は第2の切替
スイッチ、5は商用電源線、6は抵抗器、7は第3の切
替スイッチである。
The figure is a circuit diagram showing a power supply switching circuit according to an embodiment of this invention. In the figure, 1 is an induction motor, 2 is a first changeover switch, 3 is a variable frequency converter, 4 is a second changeover switch, 5 is a commercial power line, 6 is a resistor, and 7 is a third changeover switch. be.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第1の切替スイッチを経て可変周波数変換装置から、ま
たは第2の切替スイッチを経て商用電源からのいずれか
から給電されて運転される誘導電動機において、前記変
換装置による運転から前記商用電源による運転に切替え
る際、前記誘導電動機を抵抗器でもって短絡するための
第3の切替スイッチを備えたことを特徴とする誘導電動
機の電源切替回路。
In an induction motor that is operated by being supplied with power either from a variable frequency converter via a first changeover switch or from a commercial power supply via a second changeover switch, the operation changes from operation by the converter to operation by the commercial power supply. A power supply switching circuit for an induction motor, comprising a third switch for short-circuiting the induction motor with a resistor when switching.
JP889582U 1982-01-25 1982-01-25 Induction motor power switching circuit Pending JPS58112035U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP889582U JPS58112035U (en) 1982-01-25 1982-01-25 Induction motor power switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP889582U JPS58112035U (en) 1982-01-25 1982-01-25 Induction motor power switching circuit

Publications (1)

Publication Number Publication Date
JPS58112035U true JPS58112035U (en) 1983-07-30

Family

ID=30021568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP889582U Pending JPS58112035U (en) 1982-01-25 1982-01-25 Induction motor power switching circuit

Country Status (1)

Country Link
JP (1) JPS58112035U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62233025A (en) * 1986-04-03 1987-10-13 株式会社東芝 Changeover of driving source
JP2014131423A (en) * 2012-12-28 2014-07-10 Panasonic Corp Power feeding system, and switching device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62233025A (en) * 1986-04-03 1987-10-13 株式会社東芝 Changeover of driving source
JP2014131423A (en) * 2012-12-28 2014-07-10 Panasonic Corp Power feeding system, and switching device

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