JPS53139117A - Step-out detector system for multi-parallel synchronous motor - Google Patents

Step-out detector system for multi-parallel synchronous motor

Info

Publication number
JPS53139117A
JPS53139117A JP5311477A JP5311477A JPS53139117A JP S53139117 A JPS53139117 A JP S53139117A JP 5311477 A JP5311477 A JP 5311477A JP 5311477 A JP5311477 A JP 5311477A JP S53139117 A JPS53139117 A JP S53139117A
Authority
JP
Japan
Prior art keywords
synchronous motor
detector system
out detector
parallel synchronous
motor
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
JP5311477A
Other languages
Japanese (ja)
Inventor
Yasuo Matsuda
Kosei Hori
Kazuo Honda
Kozo Watanabe
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 JP5311477A priority Critical patent/JPS53139117A/en
Publication of JPS53139117A publication Critical patent/JPS53139117A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To detect a motor in operation of step-out, by making a comparison of current between separated motor and that soundly operated, when in a parallel operation of n sets of synchronous motors.
COPYRIGHT: (C)1978,JPO&Japio
JP5311477A 1977-05-11 1977-05-11 Step-out detector system for multi-parallel synchronous motor Pending JPS53139117A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5311477A JPS53139117A (en) 1977-05-11 1977-05-11 Step-out detector system for multi-parallel synchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5311477A JPS53139117A (en) 1977-05-11 1977-05-11 Step-out detector system for multi-parallel synchronous motor

Publications (1)

Publication Number Publication Date
JPS53139117A true JPS53139117A (en) 1978-12-05

Family

ID=12933761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5311477A Pending JPS53139117A (en) 1977-05-11 1977-05-11 Step-out detector system for multi-parallel synchronous motor

Country Status (1)

Country Link
JP (1) JPS53139117A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020175637A1 (en) * 2019-02-27 2020-09-03 三菱電機株式会社 Motor drive device, and air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020175637A1 (en) * 2019-02-27 2020-09-03 三菱電機株式会社 Motor drive device, and air conditioner
US11632071B2 (en) 2019-02-27 2023-04-18 Mitsubishi Electric Corporation Motor drive device and air conditioner

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