JPS6034791U - Electric motor speed control device - Google Patents
Electric motor speed control deviceInfo
- Publication number
- JPS6034791U JPS6034791U JP12647683U JP12647683U JPS6034791U JP S6034791 U JPS6034791 U JP S6034791U JP 12647683 U JP12647683 U JP 12647683U JP 12647683 U JP12647683 U JP 12647683U JP S6034791 U JPS6034791 U JP S6034791U
- Authority
- JP
- Japan
- Prior art keywords
- speed control
- signal
- control device
- motor speed
- output
- 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
- Motor And Converter Starters (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図は従来の代表的な一例の要部構成を示す系統図、
第２図は本考案の一実施例の要部構成を示−す系統図で
ある。
１・・・三相交流電源、２は電力変換部、３は誘導電動
機、４・・・・・・速度検出器、５は速度設定器、６・
・・減算器、７・・・関数発生器、８，１２・・・加算
器、９・・・ゲート回路、１０・・・ゲート電源回路、
１１は微分器。Figure 1 is a system diagram showing the main part configuration of a typical example of the conventional system.
FIG. 2 is a system diagram showing the main structure of an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Three-phase AC power supply, 2: Power converter, 3: Induction motor, 4: Speed detector, 5: Speed setter, 6:
...Subtractor, 7...Function generator, 8, 12...Adder, 9...Gate circuit, 10...Gate power supply circuit,
11 is a differentiator.
Claims (1)
イリスタを具備する電力変換部より誘導電動機に電力供
給し、該誘導電動機の速度信号の入力に応じて変化する
電流制限信号を発生する関数発生器の出力を得るととも
に、該関数発生器の出力を速度制御信号に加算したゲー
ト駆動信号により、前記３個の双方向性三端子サイリス
タを制御する電動機速度制御装置において、電動機始動
時にゲート電源出力を得て微分演算信号を発生する微分
器を設け、該微分器出力を電流制限削減信号として与え
るようにしたことを特徴とする電動機速度制御装置。Power is supplied to the induction motor from a power conversion unit comprising three bidirectional three-terminal thyristors connected to a three-phase AC power input, and a current limit signal that changes according to the input of the speed signal of the induction motor is generated. In a motor speed control device that obtains the output of a function generator that controls the motor speed and controls the three bidirectional three-terminal thyristors using a gate drive signal obtained by adding the output of the function generator to a speed control signal, 1. A motor speed control device comprising: a differentiator that obtains a gate power supply output and generates a differential calculation signal; and the differentiator output is provided as a current limit reduction signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12647683U JPS6034791U (en) | 1983-08-17 | 1983-08-17 | Electric motor speed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12647683U JPS6034791U (en) | 1983-08-17 | 1983-08-17 | Electric motor speed control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6034791U true JPS6034791U (en) | 1985-03-09 |
Family
ID=30287576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12647683U Pending JPS6034791U (en) | 1983-08-17 | 1983-08-17 | Electric motor speed control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6034791U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5421509A (en) * | 1977-07-19 | 1979-02-17 | Ricoh Co Ltd | Drive stop system for motor |
-
1983
- 1983-08-17 JP JP12647683U patent/JPS6034791U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5421509A (en) * | 1977-07-19 | 1979-02-17 | Ricoh Co Ltd | Drive stop system for motor |
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