JPS5513651A - Control device of single phase induction motor - Google Patents

Control device of single phase induction motor

Info

Publication number
JPS5513651A
JPS5513651A JP8570378A JP8570378A JPS5513651A JP S5513651 A JPS5513651 A JP S5513651A JP 8570378 A JP8570378 A JP 8570378A JP 8570378 A JP8570378 A JP 8570378A JP S5513651 A JPS5513651 A JP S5513651A
Authority
JP
Japan
Prior art keywords
circuit
motor
signals
single phase
switching 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
JP8570378A
Other languages
Japanese (ja)
Inventor
Hisayoshi Oota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aichi Electric Co Ltd
Original Assignee
Aichi Electric Co Ltd
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 Aichi Electric Co Ltd filed Critical Aichi Electric Co Ltd
Priority to JP8570378A priority Critical patent/JPS5513651A/en
Publication of JPS5513651A publication Critical patent/JPS5513651A/en
Pending legal-status Critical Current

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  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE: To prevent overheat in low speed rotation by driving motors in the thin out feed system.
CONSTITUTION: A single phase induction motor 2, a switching circuit 3 to this motor, a zero cross detecting circuit 5 which operates by a control power source 4 and detects and sends zero cross signals whenever the wave form of the AC input voltage crosses zero points, a counter circuit 7 which sends output signals to the trigger circuit 8 when pulse signals of the detecting circuit 5 are counted, switched by a change over switch 6 and pulse signals of the predetermined number are counted are equipped. The trigger circuit 8 which received output signals of the counter circuit 7 closes the switching circuit 3 and supplies current to the motor. When the wave form flowing in the main circuit reaches the zero point the switching circuit is opened and the half cycle of the AC input voltage is cut and speed is controlled.
COPYRIGHT: (C)1980,JPO&Japio
JP8570378A 1978-07-13 1978-07-13 Control device of single phase induction motor Pending JPS5513651A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8570378A JPS5513651A (en) 1978-07-13 1978-07-13 Control device of single phase induction motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8570378A JPS5513651A (en) 1978-07-13 1978-07-13 Control device of single phase induction motor

Publications (1)

Publication Number Publication Date
JPS5513651A true JPS5513651A (en) 1980-01-30

Family

ID=13866173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8570378A Pending JPS5513651A (en) 1978-07-13 1978-07-13 Control device of single phase induction motor

Country Status (1)

Country Link
JP (1) JPS5513651A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02214484A (en) * 1989-02-15 1990-08-27 Mitsubishi Electric Corp Speed control and brake device for single phase induction motor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5256404U (en) * 1975-10-21 1977-04-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5256404U (en) * 1975-10-21 1977-04-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02214484A (en) * 1989-02-15 1990-08-27 Mitsubishi Electric Corp Speed control and brake device for single phase induction motor

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