JPS6149593U - - Google Patents
Info
- Publication number
- JPS6149593U JPS6149593U JP13225084U JP13225084U JPS6149593U JP S6149593 U JPS6149593 U JP S6149593U JP 13225084 U JP13225084 U JP 13225084U JP 13225084 U JP13225084 U JP 13225084U JP S6149593 U JPS6149593 U JP S6149593U
- Authority
- JP
- Japan
- Prior art keywords
- induction motor
- level
- detector
- main circuit
- load induction
- 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
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 8
- 238000009499 grossing Methods 0.000 claims description 6
- 230000001172 regenerating effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Stopping Of Electric Motors (AREA)
Description
第１図は本考案の一実施例における回路構成を
表わすブロツク図、第２図はその平滑用主回路コ
ンデンサと誘導電動機間を流れる電流波形図、第
３図はその電流をローパスフイルターを通した電
流とそれによる平滑用主回路コンデンサ電圧の特
性図である。
１…ダイオードコンバータ、２…平滑用主回路
コンデンサ（平滑コンデンサ）、３…イランジス
タインバータ、４…負荷である誘導電動機、５…
電圧検出器、６…第１のレベル検出器、７…電流
検出器、８…ローパスフイルター、９…第２のレ
ベル検出器、１０…論理和回路、１１…インバー
タ制御部、３１…平滑コンデンサ電圧、３２…電
流。
Fig. 1 is a block diagram showing the circuit configuration of an embodiment of the present invention, Fig. 2 is a waveform diagram of the current flowing between the smoothing main circuit capacitor and the induction motor, and Fig. 3 shows the current flowing through a low-pass filter. FIG. 3 is a characteristic diagram of current and the resulting smoothing main circuit capacitor voltage. 1... Diode converter, 2... Main circuit capacitor for smoothing (smoothing capacitor), 3... Iran inverter, 4... Induction motor as load, 5...
Voltage detector, 6... First level detector, 7... Current detector, 8... Low pass filter, 9... Second level detector, 10... OR circuit, 11... Inverter control unit, 31... Smoothing capacitor voltage , 32...Current.
Claims (1)
段と、 前記負荷誘導電動機から前記主回路コンデンサ
に流入する電流の直流分を検出する手段と、 これら二つの検出する手段の少なくとも一方が
所定のレベルになつたとき前記負荷誘導電動機の
減速を休止する手段と を具備することを特徴とするインバータの回生ス
トール制御装置。 ２ 前記主回路コンデンサの電圧を検出する電圧
検出器と、 この電圧検出器の出力レベルを第１の基準レベ
ルと比較する第１のレベル検出器と、 前記負荷誘導電動機と前記主回路コンデンサの
間に流れる電流を検出する電流検出器と、 この電流検出器の出力の直流分を検出するロー
パスフイルターと、 そのローパスフイルターの出力を前記負荷誘導
電動機から前記主回路コンデンサに流入する方向
に相当する極性の第２の基準レベルと比較する第
２のレベル検出器と、 前記第１および第２のレベル検出器の出力の輪
理和を出力する論理和回路と、 この論理和回路の出力を回生ストール指令信号
として入力し前記負荷誘導電動機の減速を休止す
る機能をもつインバータ制御部と、 からなる実用新案登録請求の範囲第１項記載のイ
ンバータの回生ストール制御装置。[Claims for Utility Model Registration] 1. In an inverter control circuit, means for detecting the voltage of a smoothing main circuit capacitor while the load induction motor is decelerating; and a current flowing from the load induction motor into the main circuit capacitor. and means for stopping deceleration of the load induction motor when at least one of these two detecting means reaches a predetermined level. Device. 2. A voltage detector that detects the voltage of the main circuit capacitor; a first level detector that compares the output level of the voltage detector with a first reference level; and between the load induction motor and the main circuit capacitor. a current detector that detects the current flowing through the current detector; a low-pass filter that detects the DC component of the output of the current detector; and a polarity corresponding to the direction in which the output of the low-pass filter flows from the load induction motor to the main circuit capacitor. a second level detector that compares the outputs of the first and second level detectors with a second reference level; an OR circuit that outputs the sum of the outputs of the first and second level detectors; and a regenerative stall that outputs the output of the OR circuit. An inverter regenerative stall control device according to claim 1, comprising: an inverter control unit having a function of inputting a command signal and stopping deceleration of the load induction motor;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13225084U JPS6149593U (en) | 1984-08-31 | 1984-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13225084U JPS6149593U (en) | 1984-08-31 | 1984-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6149593U true JPS6149593U (en) | 1986-04-03 |
Family
ID=30690814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13225084U Pending JPS6149593U (en) | 1984-08-31 | 1984-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6149593U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5822093B2 (en) * | 1978-11-22 | 1983-05-06 | 荒川化学工業株式会社 | Method for producing polybasic acids and their derivatives |
-
1984
- 1984-08-31 JP JP13225084U patent/JPS6149593U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5822093B2 (en) * | 1978-11-22 | 1983-05-06 | 荒川化学工業株式会社 | Method for producing polybasic acids and their derivatives |
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