JPS58183100U - Overvoltage detection device for motor control - Google Patents

Overvoltage detection device for motor control

Info

Publication number
JPS58183100U
JPS58183100U JP8098482U JP8098482U JPS58183100U JP S58183100 U JPS58183100 U JP S58183100U JP 8098482 U JP8098482 U JP 8098482U JP 8098482 U JP8098482 U JP 8098482U JP S58183100 U JPS58183100 U JP S58183100U
Authority
JP
Japan
Prior art keywords
voltage
converter section
alternating current
speed setting
comparison circuit
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
JP8098482U
Other languages
Japanese (ja)
Inventor
裕 竹村
信博 鷹尾
平木　孝之
Original Assignee
シンポ工業株式会社
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 シンポ工業株式会社 filed Critical シンポ工業株式会社
Priority to JP8098482U priority Critical patent/JPS58183100U/en
Publication of JPS58183100U publication Critical patent/JPS58183100U/en
Pending legal-status Critical Current

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  • 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) [Summary] 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図はこの考案の実施例を示す回路図、第２図は動作
説明用の特性図である。 １・・・・・・交流電源、２・・・・・・コンバータ部
、５・・曲インバータ部、６・・・・・・モータ、７・
・・・・・速度設定器、１２・・・・・・電圧検出器、
２０・・・・・・トリップ回路、２３・・・・・・比較
回路。FIG. 1 is a circuit diagram showing an embodiment of this invention, and FIG. 2 is a characteristic diagram for explaining the operation. DESCRIPTION OF SYMBOLS 1... AC power supply, 2... Converter part, 5... Inverter part, 6... Motor, 7...
... Speed setter, 12 ... Voltage detector,
20...Trip circuit, 23...Comparison circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流を速度設定器の指示値に応じた可変電圧の直流に変
換するコンバータ部と、前記コンバータ部の出力電圧を
前記速度設定器の指示値に応じた可変周波数の交流に変
換してモータに供給するインバータ部と、前記コンバー
タ部の出力電圧を検出する電圧検出器と、前記電圧検出
器の検出電圧と前記速度設定器の指示値の差電圧を入力
とする比較回路と、前記比較回路の入力電圧が、モータ
へ供給される交流の周波数に対する電圧の適正値をこえ
たときの前記比較回路の出力によって動作するヘリツブ
回路とからなるモータ制御用過電圧検出装置。a converter section that converts alternating current into variable voltage direct current according to the indicated value of the speed setting device, and converts the output voltage of the converter section into variable frequency alternating current according to the indicated value of the speed setting device and supplies it to the motor. an inverter section that detects the output voltage of the converter section, a voltage detector that detects the output voltage of the converter section, a comparison circuit that receives as input the difference voltage between the detected voltage of the voltage detector and the indicated value of the speed setting device, and an input of the comparison circuit. An overvoltage detection device for motor control comprising a helitube circuit operated by the output of the comparison circuit when the voltage exceeds an appropriate voltage value for the frequency of alternating current supplied to the motor.
JP8098482U 1982-05-31 1982-05-31 Overvoltage detection device for motor control Pending JPS58183100U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8098482U JPS58183100U (en) 1982-05-31 1982-05-31 Overvoltage detection device for motor control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8098482U JPS58183100U (en) 1982-05-31 1982-05-31 Overvoltage detection device for motor control

Publications (1)

Publication Number Publication Date
JPS58183100U true JPS58183100U (en) 1983-12-06

Family

ID=30090116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8098482U Pending JPS58183100U (en) 1982-05-31 1982-05-31 Overvoltage detection device for motor control

Country Status (1)

Country Link
JP (1) JPS58183100U (en)

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