JPS59195994U - Electric motor speed control device - Google Patents
Electric motor speed control deviceInfo
- Publication number
- JPS59195994U JPS59195994U JP9079183U JP9079183U JPS59195994U JP S59195994 U JPS59195994 U JP S59195994U JP 9079183 U JP9079183 U JP 9079183U JP 9079183 U JP9079183 U JP 9079183U JP S59195994 U JPS59195994 U JP S59195994U
- Authority
- JP
- Japan
- Prior art keywords
- electric motor
- control device
- section
- speed control
- voltage
- 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.)
- Granted
Links
Landscapes
- Control Of Ac Motors In General (AREA)
- 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図は従来装置の構成を示すブロック図、第２図はこ
の装置の作用を説明するためのタイムチャート、第３図
は本考案に係る電動機の速度制御装置の一実施例の構成
を示すブロック図、第４図は同実施例の主要な要素の動
作特性を示す説明図、第５図は同実施例の作用を説明す
るためのタイムチャートである。
１・・・・・・三相交流電源、２・・・・・・コンバー
タ部、３・・・・・・整流器、４・・・・・・コンデン
サ、５・・・・・・インバータ部、６・・・・・・電動
機、７．８・・・・・・レベル検出器、９・・・・・・
速度設定器、１０・・・・・・プリセットカウンタ、
１１・・・・・・減速制御回路、１２・・・・・・周波
数制御回路。Fig. 1 is a block diagram showing the configuration of a conventional device, Fig. 2 is a time chart for explaining the operation of this device, and Fig. 3 shows the configuration of an embodiment of the speed control device for an electric motor according to the present invention. FIG. 4 is a block diagram showing the operating characteristics of the main elements of the embodiment, and FIG. 5 is a time chart for explaining the operation of the embodiment. 1... Three-phase AC power supply, 2... Converter section, 3... Rectifier, 4... Capacitor, 5... Inverter section, 6...Electric motor, 7.8...Level detector, 9...
Speed setting device, 10...Preset counter,
11...Deceleration control circuit, 12...Frequency control circuit.
Claims (1)
波数を変化させることによって電動機の速度を制御し、
且つ、減速制御時の慣性エネルギーヲ前記コンバータ部
のコンデンサに蓄える電動機の速度制御装置において、
前記コンデンサの両端電圧が、前記コンバータ部の許容
最大電圧と減速制御時の標準的な電圧変動範囲の最大電
圧との間の所定レベルまで上昇したことを検出するレベ
ル検出器と、このレベル検出器が信号を発生する毎に減
速率が小さくなるように前記インバータ部の出力周波数
を制御する減速制御部とを具備したことを特徴とする電
動機の速度制御装置。The speed of the motor is controlled by changing the output frequency of the inverter section, which uses the output of the converter section as input,
Further, in the speed control device for an electric motor, in which inertia energy during deceleration control is stored in a capacitor of the converter section,
a level detector for detecting that the voltage across the capacitor has increased to a predetermined level between the maximum allowable voltage of the converter section and the maximum voltage of a standard voltage fluctuation range during deceleration control; A speed control device for an electric motor, comprising: a deceleration control section that controls the output frequency of the inverter section so that the deceleration rate becomes smaller each time the inverter generates a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9079183U JPS59195994U (en) | 1983-06-14 | 1983-06-14 | Electric motor speed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9079183U JPS59195994U (en) | 1983-06-14 | 1983-06-14 | Electric motor speed control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59195994U true JPS59195994U (en) | 1984-12-26 |
| JPH0329997Y2 JPH0329997Y2 (en) | 1991-06-25 |
Family
ID=30220747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9079183U Granted JPS59195994U (en) | 1983-06-14 | 1983-06-14 | Electric motor speed control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59195994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61154497A (en) * | 1984-12-27 | 1986-07-14 | Mitsubishi Electric Corp | Controller for elevator |
| JP2018126050A (en) * | 2017-02-01 | 2018-08-09 | エルエス産電株式会社Lsis Co., Ltd. | Apparatus for controlling inverter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5793097U (en) * | 1980-11-26 | 1982-06-08 |
-
1983
- 1983-06-14 JP JP9079183U patent/JPS59195994U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5793097U (en) * | 1980-11-26 | 1982-06-08 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61154497A (en) * | 1984-12-27 | 1986-07-14 | Mitsubishi Electric Corp | Controller for elevator |
| JP2018126050A (en) * | 2017-02-01 | 2018-08-09 | エルエス産電株式会社Lsis Co., Ltd. | Apparatus for controlling inverter |
| CN108390551A (en) * | 2017-02-01 | 2018-08-10 | Ls产电株式会社 | Device for controlling inverter |
| US10298155B2 (en) | 2017-02-01 | 2019-05-21 | Lsis Co., Ltd. | Apparatus for controlling inverter |
| CN108390551B (en) * | 2017-02-01 | 2020-09-15 | Ls产电株式会社 | Device for controlling inverter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0329997Y2 (en) | 1991-06-25 |
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