JPS5953638U - Rotating machine protection circuit - Google Patents

Rotating machine protection circuit

Info

Publication number
JPS5953638U
JPS5953638U JP1982146359U JP14635982U JPS5953638U JP S5953638 U JPS5953638 U JP S5953638U JP 1982146359 U JP1982146359 U JP 1982146359U JP 14635982 U JP14635982 U JP 14635982U JP S5953638 U JPS5953638 U JP S5953638U
Authority
JP
Japan
Prior art keywords
protection circuit
rotating machine
machine protection
control coil
rotation
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
JP1982146359U
Other languages
Japanese (ja)
Inventor
明石　正樹
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP1982146359U priority Critical patent/JPS5953638U/en
Publication of JPS5953638U publication Critical patent/JPS5953638U/en
Pending legal-status Critical Current

Links

Landscapes

  • Protection Of Generators And Motors (AREA)
  • 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図は本考案の一実施例を示す回路図、第２図は動作
を説明するための電圧波形図及びトランジスタ４のスイ
ッチング時期を示す図である。 １・・・整流ダイオード、２・・・波形整形コンデンサ
、３・・・分圧抵抗、４・・・トランジスタ、Ａ・・・
保護回路、５・・・駆動コイル、６・・・制御コイル、
７・・・駆動アンプ、８・・・制御アンプ、９・・・ホ
ール素子、１０・・・制御回路、１１・・・トランジス
タ、１２・・・モードル。FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a voltage waveform diagram for explaining the operation and a diagram showing the switching timing of the transistor 4. 1... Rectifier diode, 2... Waveform shaping capacitor, 3... Voltage dividing resistor, 4... Transistor, A...
Protection circuit, 5... Drive coil, 6... Control coil,
7... Drive amplifier, 8... Control amplifier, 9... Hall element, 10... Control circuit, 11... Transistor, 12... Model.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 駆動コイルと独立した制御用コイルとを有する回転機に
おいて、回転子の回転によりこの制御用コイルに誘起さ
れる電圧の変化に対して回転異常時に保護回路が動作す
ることを特徴とする回転機の保護回路。A rotating machine having a drive coil and an independent control coil, characterized in that a protection circuit operates in response to a change in voltage induced in the control coil due to rotation of the rotor in the event of abnormal rotation. protection circuit.
JP1982146359U 1982-09-29 1982-09-29 Rotating machine protection circuit Pending JPS5953638U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982146359U JPS5953638U (en) 1982-09-29 1982-09-29 Rotating machine protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982146359U JPS5953638U (en) 1982-09-29 1982-09-29 Rotating machine protection circuit

Publications (1)

Publication Number Publication Date
JPS5953638U true JPS5953638U (en) 1984-04-09

Family

ID=30325800

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982146359U Pending JPS5953638U (en) 1982-09-29 1982-09-29 Rotating machine protection circuit

Country Status (1)

Country Link
JP (1) JPS5953638U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413577A (en) * 1977-07-01 1979-02-01 Sekisui Chem Co Ltd Heat-shrinkable covering sheet and its production
JPS5529218A (en) * 1978-08-17 1980-03-01 Mayekawa Mfg Co Ltd Rotation number detecting device for squirrel-cage induction motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413577A (en) * 1977-07-01 1979-02-01 Sekisui Chem Co Ltd Heat-shrinkable covering sheet and its production
JPS5529218A (en) * 1978-08-17 1980-03-01 Mayekawa Mfg Co Ltd Rotation number detecting device for squirrel-cage induction motor

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