JPS5398020A - Rotational direction controller for three-phase ac motor - Google Patents

Rotational direction controller for three-phase ac motor

Info

Publication number
JPS5398020A
JPS5398020A JP1242077A JP1242077A JPS5398020A JP S5398020 A JPS5398020 A JP S5398020A JP 1242077 A JP1242077 A JP 1242077A JP 1242077 A JP1242077 A JP 1242077A JP S5398020 A JPS5398020 A JP S5398020A
Authority
JP
Japan
Prior art keywords
phase
motor
rotational direction
direction controller
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
JP1242077A
Other languages
Japanese (ja)
Inventor
Kenichi Nakai
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1242077A priority Critical patent/JPS5398020A/en
Publication of JPS5398020A publication Critical patent/JPS5398020A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To automatically operate a control for rotational direction of three-phase AC motor, by means of coupling the phase detector circuit, for detecting a phase of input current of three-phase AC, and the circuit, for selecting any two of the three phases in the AC power source.
COPYRIGHT: (C)1978,JPO&Japio
JP1242077A 1977-02-09 1977-02-09 Rotational direction controller for three-phase ac motor Pending JPS5398020A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1242077A JPS5398020A (en) 1977-02-09 1977-02-09 Rotational direction controller for three-phase ac motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1242077A JPS5398020A (en) 1977-02-09 1977-02-09 Rotational direction controller for three-phase ac motor

Publications (1)

Publication Number Publication Date
JPS5398020A true JPS5398020A (en) 1978-08-26

Family

ID=11804767

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1242077A Pending JPS5398020A (en) 1977-02-09 1977-02-09 Rotational direction controller for three-phase ac motor

Country Status (1)

Country Link
JP (1) JPS5398020A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04101685A (en) * 1990-08-20 1992-04-03 Juki Corp Automatic rotational direction setter for three-phase induction motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04101685A (en) * 1990-08-20 1992-04-03 Juki Corp Automatic rotational direction setter for three-phase induction motor

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