JPS5388908A - Abnormality decision in motor parallel operation - Google Patents

Abnormality decision in motor parallel operation

Info

Publication number
JPS5388908A
JPS5388908A JP294777A JP294777A JPS5388908A JP S5388908 A JPS5388908 A JP S5388908A JP 294777 A JP294777 A JP 294777A JP 294777 A JP294777 A JP 294777A JP S5388908 A JPS5388908 A JP S5388908A
Authority
JP
Japan
Prior art keywords
parallel operation
motor parallel
abnormality decision
decision
abnormality
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
JP294777A
Other languages
Japanese (ja)
Inventor
Ryusuke Udagawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP294777A priority Critical patent/JPS5388908A/en
Publication of JPS5388908A publication Critical patent/JPS5388908A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Multiple Motors (AREA)

Abstract

PURPOSE: To facilitate the decision at start, acceleration and normal time and enable the decision of power failure by comparing the mean value of the induced frequency in a number of motors and the frequency of individual motors and determining the abnormality of the motor operation status.
COPYRIGHT: (C)1978,JPO&Japio
JP294777A 1977-01-17 1977-01-17 Abnormality decision in motor parallel operation Pending JPS5388908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP294777A JPS5388908A (en) 1977-01-17 1977-01-17 Abnormality decision in motor parallel operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP294777A JPS5388908A (en) 1977-01-17 1977-01-17 Abnormality decision in motor parallel operation

Publications (1)

Publication Number Publication Date
JPS5388908A true JPS5388908A (en) 1978-08-04

Family

ID=11543555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP294777A Pending JPS5388908A (en) 1977-01-17 1977-01-17 Abnormality decision in motor parallel operation

Country Status (1)

Country Link
JP (1) JPS5388908A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644232A (en) * 1983-10-19 1987-02-17 Hitachi, Ltd. Method of and an apparatus for controlling a plurality of DC motors
WO2019244194A1 (en) * 2018-06-18 2019-12-26 三菱電機株式会社 Motor drive device and refrigeration cycle application device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644232A (en) * 1983-10-19 1987-02-17 Hitachi, Ltd. Method of and an apparatus for controlling a plurality of DC motors
WO2019244194A1 (en) * 2018-06-18 2019-12-26 三菱電機株式会社 Motor drive device and refrigeration cycle application device
JPWO2019244194A1 (en) * 2018-06-18 2020-12-17 三菱電機株式会社 Motor drive and refrigeration cycle applicable equipment
CN112272917A (en) * 2018-06-18 2021-01-26 三菱电机株式会社 Motor driving device and refrigeration cycle application equipment
CN112272917B (en) * 2018-06-18 2024-05-03 三菱电机株式会社 Motor driving device and refrigeration cycle application equipment

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