JPS58150396U - Voltage type inverter - Google Patents

Voltage type inverter

Info

Publication number
JPS58150396U
JPS58150396U JP4669082U JP4669082U JPS58150396U JP S58150396 U JPS58150396 U JP S58150396U JP 4669082 U JP4669082 U JP 4669082U JP 4669082 U JP4669082 U JP 4669082U JP S58150396 U JPS58150396 U JP S58150396U
Authority
JP
Japan
Prior art keywords
circuit
type inverter
voltage type
inverter
current
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
JP4669082U
Other languages
Japanese (ja)
Inventor
寺嶋　正之
佐藤　光寛
誠 五十嵐
中山　節郎
Original Assignee
株式会社明電舎
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 by 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP4669082U priority Critical patent/JPS58150396U/en
Publication of JPS58150396U publication Critical patent/JPS58150396U/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Ac Motors In General (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図はインバータ回路の簡略回路図、第２図はインバ
ータの制御ブロック図、第３図は誘導電動機の特性曲線
図、第４図は本考案による電圧形インバータの制御回路
を示すブロック図である。 図面中、２０は切換回路、２０ａは判定回路、２０ｂは
制動スイッチ、２０ｃは駆動スイッチ、２２ａ、２２ｂ
は電流・周波数回路である。 ２２ｂ′叫１１ Ｌ、−＝−ＩFig. 1 is a simplified circuit diagram of an inverter circuit, Fig. 2 is a control block diagram of the inverter, Fig. 3 is a characteristic curve diagram of an induction motor, and Fig. 4 is a block diagram showing a control circuit of a voltage source inverter according to the present invention. be. In the drawing, 20 is a switching circuit, 20a is a determination circuit, 20b is a brake switch, 20c is a drive switch, 22a, 22b
is a current/frequency circuit. 22b' scream 11 L, -=-I

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電動機を制御するインバータ回路内各アームのインバー
タ素子を制御する回路において、上記電動機の負荷電流
が許容値を越えたことを条件として周波数を下げる電流
・周波数回路を設け、この電流周波数回路の出力を制動
および駆動のいずれか一方での切換えで行なうことを特
徴とする電圧形インバータ。In the inverter circuit that controls the motor, in the circuit that controls the inverter elements of each arm, a current/frequency circuit is provided that lowers the frequency when the load current of the motor exceeds the allowable value, and the output of this current/frequency circuit is A voltage source inverter characterized by switching between braking and driving.
JP4669082U 1982-03-31 1982-03-31 Voltage type inverter Pending JPS58150396U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4669082U JPS58150396U (en) 1982-03-31 1982-03-31 Voltage type inverter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4669082U JPS58150396U (en) 1982-03-31 1982-03-31 Voltage type inverter

Publications (1)

Publication Number Publication Date
JPS58150396U true JPS58150396U (en) 1983-10-08

Family

ID=30057678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4669082U Pending JPS58150396U (en) 1982-03-31 1982-03-31 Voltage type inverter

Country Status (1)

Country Link
JP (1) JPS58150396U (en)

Similar Documents

Publication Publication Date Title
JPS58150396U (en) Voltage type inverter
JPS5918599U (en) Vehicle control method
JPS58150395U (en) Voltage type inverter
JPS58112035U (en) Induction motor power switching circuit
JPS599791U (en) Motor start/stop circuit
JPS60151894U (en) electric hoist control device
JPS59132384U (en) Inverter device
JPS60190188U (en) General-purpose inverter device
JPS59111333U (en) power switch circuit
JPS6072488U (en) Chain block load control device
JPS605296U (en) Induction motor drive device
JPS59190794U (en) hoist
JPS58697U (en) Induction motor control device
JPS58161978U (en) electric hoist
JPS58196386U (en) electric hoist
JPS6110096U (en) Current source inverter for driving induction motors
JPS5860661U (en) DC elevator control device
JPS6019873U (en) Electric valve drive control device using a two-winding motor
JPS5849505U (en) Vehicle motor control device
JPS5969696U (en) hall motor
JPS5915656U (en) Elevator motor drive device
JPS58129517U (en) power circuit
JPS60108199U (en) Induction motor control device
JPS59159849U (en) Timer operation display circuit
JPS58162792U (en) AC elevator control circuit