JPS6261195U - - Google Patents

Info

Publication number
JPS6261195U
JPS6261195U JP15202385U JP15202385U JPS6261195U JP S6261195 U JPS6261195 U JP S6261195U JP 15202385 U JP15202385 U JP 15202385U JP 15202385 U JP15202385 U JP 15202385U JP S6261195 U JPS6261195 U JP S6261195U
Authority
JP
Japan
Prior art keywords
inverter
induction motor
output
time
instructing
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
Application number
JP15202385U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP15202385U priority Critical patent/JPS6261195U/ja
Publication of JPS6261195U publication Critical patent/JPS6261195U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Motor And Converter Starters (AREA)
  • Control Of Ac Motors In General (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の実施例を示す回路図であり、
第2図は第1図に示す実施例回路の速度特性を示
すグラフである。第3図は可変電圧・可変周波数
の交流電力を出力するインバータにより駆動され
る誘導電動機の従来例を示す回路図であり、第4
図は加減速度調節器の特性の従来例を示すグラフ
である。 2……交流電源、3……整流器、4……平滑コ
ンデンサ、5……トランジスタインバータ、6…
…交流リアクトル、7……誘導電動機、11……
速度設定器、12……加減速度調節器、13……
V/F変換器、14……関数発生器、15……パ
ルス幅変調回路、16……ベース駆動回路、20
……加減速度調節器、21……低周波数設定器、
22……高周波数設定器、23……始動スイツチ
、24……停止スイツチ、25……リレーY、2
5A,25B……リレーY接点、26……タイマ
、26A……タイマ接点、27……リレーZ、2
7A……リレーZ接点。
FIG. 1 is a circuit diagram showing an embodiment of the present invention,
FIG. 2 is a graph showing the speed characteristics of the embodiment circuit shown in FIG. FIG. 3 is a circuit diagram showing a conventional example of an induction motor driven by an inverter that outputs variable voltage/variable frequency AC power.
The figure is a graph showing a conventional example of characteristics of an acceleration/deceleration regulator. 2... AC power supply, 3... Rectifier, 4... Smoothing capacitor, 5... Transistor inverter, 6...
...AC reactor, 7...Induction motor, 11...
Speed setter, 12... Acceleration/deceleration adjuster, 13...
V/F converter, 14...Function generator, 15...Pulse width modulation circuit, 16...Base drive circuit, 20
...Acceleration/deceleration adjuster, 21...Low frequency setting device,
22...High frequency setting device, 23...Start switch, 24...Stop switch, 25...Relay Y, 2
5A, 25B...Relay Y contact, 26...Timer, 26A...Timer contact, 27...Relay Z, 2
7A...Relay Z contact.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] インバータから出力される可変電圧可変周波数
の交流電力を交流リアクトルを介して誘導電動機
に供給し、当該誘導電動機を所定の速度変化率で
所望速度に到達させるようにしている電動機駆動
用インバータの制御装置において、停止中の前記
誘導電動機に始動を指令する手段と、始動指令と
ともに前記インバータに低い周波数の出力を指令
する低周波数指令手段と、始動指令から一定時間
を計時する限時手段と、この一定時間が経過すれ
ば前記インバータに高い周波数の出力を指令する
高周波数指令手段と、前記誘導電動機の速度変化
率を大きな値に設定できる加減速度調節手段とを
備えていることを特徴とする電動機駆動用インバ
ータの制御装置。
A motor drive inverter control device that supplies variable voltage variable frequency AC power output from an inverter to an induction motor via an AC reactor, and causes the induction motor to reach a desired speed at a predetermined speed change rate. means for instructing the stopped induction motor to start; low frequency command means for instructing the inverter to output a low frequency along with the start command; time limit means for timing a predetermined period of time from the start command; for driving an electric motor, comprising: high frequency command means for commanding the inverter to output a high frequency when the time has elapsed; and acceleration/deceleration adjustment means for setting the speed change rate of the induction motor to a large value. Inverter control device.
JP15202385U 1985-10-03 1985-10-03 Pending JPS6261195U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15202385U JPS6261195U (en) 1985-10-03 1985-10-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15202385U JPS6261195U (en) 1985-10-03 1985-10-03

Publications (1)

Publication Number Publication Date
JPS6261195U true JPS6261195U (en) 1987-04-16

Family

ID=31069620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15202385U Pending JPS6261195U (en) 1985-10-03 1985-10-03

Country Status (1)

Country Link
JP (1) JPS6261195U (en)

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