JPS646790U - - Google Patents
Info
- Publication number
- JPS646790U JPS646790U JP9829087U JP9829087U JPS646790U JP S646790 U JPS646790 U JP S646790U JP 9829087 U JP9829087 U JP 9829087U JP 9829087 U JP9829087 U JP 9829087U JP S646790 U JPS646790 U JP S646790U
- Authority
- JP
- Japan
- Prior art keywords
- induction motor
- acceleration
- timer
- operating current
- information signal
- 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
- 230000001133 acceleration Effects 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Motor And Converter Starters (AREA)
Description
第１図〜第５図は本考案の一実施例を示すもの
であつて、第１図は本考案に係るインダクシヨン
モータ制御装置の構成を示すブロツク図、第２図
は加減速制御部をマイクロコンピユータにて構成
した例を示すブロツク図、第３図、第４図及び第
５図は本装置を用いた場合のモータ特性をそれぞ
れ示す特性図、第６図は起動時において加速度の
選択を２回行なつた場合を示す特性図、第７図は
加速時の加速度と減速時の加速度とを互いに異な
らしめた場合を示す特性図、第８図Ａ及びＢはイ
ンダクシヨンモータ制御装置の従来例を説明する
ための特性図である。
１…インダクシヨンモータ、２…制御装置、３
…電源変換部、４…運転周波数設定部、５…シー
ケンス制御部、６…加減速制御部、７…運転電流
検出部、１１…加減速度決定部、１２…制御信号
発生部、１５…タイミング発生部、１６…記憶装
置、１７…マイクロプロセツサ、１８…制御信号
出力部。
1 to 5 show an embodiment of the present invention, in which FIG. 1 is a block diagram showing the configuration of an induction motor control device according to the present invention, and FIG. 2 shows an acceleration/deceleration control section. A block diagram showing an example configured using a microcomputer, Figures 3, 4, and 5 are characteristic diagrams showing the motor characteristics when this device is used, and Figure 6 shows how to select the acceleration at startup. Figure 7 is a characteristic diagram showing the case where the acceleration is carried out twice. Figure 7 is a characteristic diagram showing the case where the acceleration during acceleration and the acceleration during deceleration are different from each other. Figure 8 A and B are the conventional induction motor control device. It is a characteristic diagram for explaining an example. 1...Induction motor, 2...Control device, 3
...power supply converter, 4...operating frequency setting section, 5...sequence control section, 6...acceleration/deceleration control section, 7...operating current detection section, 11...acceleration/deceleration determining section, 12...control signal generation section, 15...timing generation 16...Storage device, 17...Microprocessor, 18...Control signal output section.
Claims (1)
方式により制御するようにしたインダクシヨンモ
ータ制御装置において、 (a) 予想される最大の慣性能率を持つた負荷を
運転する場合に良好な加速度で前記インダクシヨ
ンモータを起動開始する手段と、 (b) 前記インダクシヨンモータの加速度につい
ての情報信号を出力する情報信号出力手段と、 (c) 前記インダクシヨンモータの起動開始時か
ら所定時間経過後にトリガー信号を発生するタイ
マーと、 (d) 前記トリガー信号の発生時に前記インダク
シヨンモータの運転電流を検出する運転電流検出
手段と、 (e) 前記タイマーからトリガー信号が出力され
るのに同期して前記情報信号と前記インダクシヨ
ンモータの運転電流に基づき、その以後の前記イ
ンダクシヨンモータの加速度を決定する加速度決
定手段と、 をそれぞれ具備し、前記トリガー信号が出力され
る毎に前記加速度決定手段にて良好な加速度が選
択されるように構成したことを特徴とするインダ
クシヨンモータ制御装置。[Claims for Utility Model Registration] In an induction motor control device that controls the rotational speed of an induction motor using a frequency control method, (a) when operating a load having the maximum expected inertia factor, (b) information signal output means for outputting an information signal regarding the acceleration of the induction motor; (c) means for starting the induction motor with a good acceleration; a timer that generates a trigger signal after a lapse of time; (d) operating current detection means that detects an operating current of the induction motor when the trigger signal is generated; and (e) a timer that outputs a trigger signal from the timer. acceleration determining means for synchronously determining the subsequent acceleration of the induction motor based on the information signal and the operating current of the induction motor; An induction motor control device characterized in that the determining means is configured to select a favorable acceleration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9829087U JPS646790U (en) | 1987-06-26 | 1987-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9829087U JPS646790U (en) | 1987-06-26 | 1987-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS646790U true JPS646790U (en) | 1989-01-13 |
Family
ID=31324423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9829087U Pending JPS646790U (en) | 1987-06-26 | 1987-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS646790U (en) |
-
1987
- 1987-06-26 JP JP9829087U patent/JPS646790U/ja active Pending
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