JPS586592U - Control device for pole change motor - Google Patents

Control device for pole change motor

Info

Publication number
JPS586592U
JPS586592U JP1981100155U JP10015581U JPS586592U JP S586592 U JPS586592 U JP S586592U JP 1981100155 U JP1981100155 U JP 1981100155U JP 10015581 U JP10015581 U JP 10015581U JP S586592 U JPS586592 U JP S586592U
Authority
JP
Japan
Prior art keywords
speed
contactor
motor
control device
low
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
JP1981100155U
Other languages
Japanese (ja)
Inventor
茂樹 白幡
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP1981100155U priority Critical patent/JPS586592U/en
Publication of JPS586592U publication Critical patent/JPS586592U/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図は従来の制御装置を示す回路図、第２図はその動
作特性図、第３図は本考案の一実施例を示す回路図、第
４図はその動作特性図である。 １：三相交流電源、２：高速用電磁接触器、３：低速用
電磁接触器、４：高速用巻線、５：低速用巻線、６：回
生減電圧用抵抗器、７：回生減電圧用抵抗器短絡用電磁
接触器、８ニジヤント、９：アンプ、１０：電磁継電器
。FIG. 1 is a circuit diagram showing a conventional control device, FIG. 2 is a diagram showing its operating characteristics, FIG. 3 is a circuit diagram showing an embodiment of the present invention, and FIG. 4 is a diagram showing its operating characteristics. 1: Three-phase AC power supply, 2: Magnetic contactor for high speed, 3: Magnetic contactor for low speed, 4: Winding for high speed, 5: Winding for low speed, 6: Resistor for regenerative voltage reduction, 7: Regeneration reduction Voltage resistor short circuit electromagnetic contactor, 8 nitrogen, 9: amplifier, 10: electromagnetic relay.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流電源をそれぞれ高速用接触器または低速用接触器を
介して極数変換電動機の高速巻線または低速巻線に印加
して電動機の速度を調整する極数変換電動機の制御装置
において、交流電源と上記接触器の間に回生減電圧用抵
抗器とこれを短絡する接触器を接続すると共に電動機電
流検出装置を設け、常時は上記抵抗短絡用接触器を閉に
すると共に、高速運転から低速運転に切換えたときの回
生制動運転中は上記電動機電流検出装置によって低速同
期速度を検出するまで上記抵抗短絡用接触器を開にする
ことを特徴とする極数変換電動機の制御装置。In a control device for a pole-changing motor that adjusts the speed of the motor by applying AC power to the high-speed winding or low-speed winding of the pole-changing motor via a high-speed contactor or a low-speed contactor, respectively, the AC power supply and A regenerative voltage reduction resistor and a contactor for shorting it are connected between the contactors, and a motor current detection device is installed, and the resistor shorting contactor is normally closed and the switch is switched from high-speed to low-speed operation. A control device for a pole change motor, characterized in that during regenerative braking operation when switching is performed, the resistor shorting contactor is opened until a low synchronous speed is detected by the motor current detection device.
JP1981100155U 1981-07-07 1981-07-07 Control device for pole change motor Pending JPS586592U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981100155U JPS586592U (en) 1981-07-07 1981-07-07 Control device for pole change motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981100155U JPS586592U (en) 1981-07-07 1981-07-07 Control device for pole change motor

Publications (1)

Publication Number Publication Date
JPS586592U true JPS586592U (en) 1983-01-17

Family

ID=29894860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981100155U Pending JPS586592U (en) 1981-07-07 1981-07-07 Control device for pole change motor

Country Status (1)

Country Link
JP (1) JPS586592U (en)

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