JPS58127893U - DC braking device for induction motor - Google Patents
DC braking device for induction motorInfo
- 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
Links
Landscapes
- Stopping Of Electric Motors (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)
、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.
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) |
-
1982
- 1982-02-19 JP JP2156682U patent/JPS58127893U/en active Pending
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