JPS58127893U - DC braking device for induction motor - Google Patents

DC braking device for induction motor

Info

Publication number
JPS58127893U
JPS58127893U JP2156682U JP2156682U JPS58127893U JP S58127893 U JPS58127893 U JP S58127893U JP 2156682 U JP2156682 U JP 2156682U JP 2156682 U JP2156682 U JP 2156682U JP S58127893 U JPS58127893 U JP S58127893U
Authority
JP
Japan
Prior art keywords
induction motor
braking device
current
rotational speed
intermittent
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
JP2156682U
Other languages
Japanese (ja)
Inventor
赤羽 照信
岡島 郁夫
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP2156682U priority Critical patent/JPS58127893U/en
Publication of JPS58127893U publication Critical patent/JPS58127893U/en
Pending legal-status Critical Current

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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図は直流制動装置の主回路構成図、第2図は各信号
、回転数の時間特性を示すタイムチャート、第3図は誘
導電動機の制動トルク−回転数特性図、第4図は本考案
を説明するためのタイムチャート、第5図は本考案の一
実施例を示すブロック図、第6図は本考案による制動ト
ルク−回転数′特性図である。 R,S、 ’r;三相交流電源、IM;誘導電動機、5
CR1,S、CR2,5CR3,5CR1;主回路サイ
リスタ、5CR5;フライホイル用サイリスタ、R□、
R2;抵抗、C1;コンデンサ、D□;ツェナーダイオ
ード、VDD;電源、A;ワンショットマノ1チバイブ
レータ、B;否定回路、C;信号保持回路、D;点弧角
制御回路。
Figure 1 is the main circuit configuration diagram of the DC braking device, Figure 2 is a time chart showing the time characteristics of each signal and rotation speed, Figure 3 is the braking torque-rotation speed characteristic diagram of the induction motor, and Figure 4 is the main circuit diagram. FIG. 5 is a block diagram showing an embodiment of the invention, and FIG. 6 is a braking torque-rotational speed characteristic diagram according to the invention. R, S, 'r; three-phase AC power supply, IM; induction motor, 5
CR1, S, CR2, 5CR3, 5CR1; Main circuit thyristor, 5CR5; Thyristor for flywheel, R□,
R2: Resistor, C1: Capacitor, D□: Zener diode, VDD: Power supply, A: One-shot mano-chibibrator, B: Inverting circuit, C: Signal holding circuit, D: Firing angle control circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 誘導電動機に直流を流してこれを制動するものにおいて
、流す直流を断続にし、そのOFF区間の時に誘導電動
機から発生する残留電圧の波長を測定して回転数の判断
をし、これにより直流電流の大きさを変化させる事を特
徴とする誘導電動機の直流制動装置。
In a device that applies direct current to an induction motor to brake it, the DC current is intermittent, and the wavelength of the residual voltage generated from the induction motor during the OFF period is measured to determine the rotational speed. A DC braking device for an induction motor that is characterized by changing its size.
JP2156682U 1982-02-19 1982-02-19 DC braking device for induction motor Pending JPS58127893U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2156682U JPS58127893U (en) 1982-02-19 1982-02-19 DC braking device for induction motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2156682U JPS58127893U (en) 1982-02-19 1982-02-19 DC braking device for induction motor

Publications (1)

Publication Number Publication Date
JPS58127893U true JPS58127893U (en) 1983-08-30

Family

ID=30033683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2156682U Pending JPS58127893U (en) 1982-02-19 1982-02-19 DC braking device for induction motor

Country Status (1)

Country Link
JP (1) JPS58127893U (en)

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