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JPS5376339A - Trouble detecting device of induction motor - Google Patents

Trouble detecting device of induction motor

Info

Publication number
JPS5376339A
JPS5376339A JP15245576A JP15245576A JPS5376339A JP S5376339 A JPS5376339 A JP S5376339A JP 15245576 A JP15245576 A JP 15245576A JP 15245576 A JP15245576 A JP 15245576A JP S5376339 A JPS5376339 A JP S5376339A
Authority
JP
Japan
Prior art keywords
detecting device
induction motor
trouble detecting
pulsation
primary current
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.)
Granted
Application number
JP15245576A
Other languages
Japanese (ja)
Other versions
JPS5526774B2 (en
Inventor
Kiyohiro Minetomo
Tomio Tanaka
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP15245576A priority Critical patent/JPS5376339A/en
Publication of JPS5376339A publication Critical patent/JPS5376339A/en
Publication of JPS5526774B2 publication Critical patent/JPS5526774B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Protection Of Generators And Motors (AREA)

Abstract

PURPOSE: To make an output relay of a detecting circuit not to operate by a temporary pulsation of a primary current, by equipping a circuit detecting a pulsating time and numbers of a pulsation when a pulsation component of a primary current exceeding a determined value.
COPYRIGHT: (C)1978,JPO&Japio
JP15245576A 1976-12-18 1976-12-18 Trouble detecting device of induction motor Granted JPS5376339A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15245576A JPS5376339A (en) 1976-12-18 1976-12-18 Trouble detecting device of induction motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15245576A JPS5376339A (en) 1976-12-18 1976-12-18 Trouble detecting device of induction motor

Publications (2)

Publication Number Publication Date
JPS5376339A true JPS5376339A (en) 1978-07-06
JPS5526774B2 JPS5526774B2 (en) 1980-07-16

Family

ID=15540883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15245576A Granted JPS5376339A (en) 1976-12-18 1976-12-18 Trouble detecting device of induction motor

Country Status (1)

Country Link
JP (1) JPS5376339A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60262227A (en) * 1984-06-07 1985-12-25 Mitsubishi Electric Corp Knob attachment structure
JPS62184496U (en) * 1986-05-15 1987-11-24

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS501307A (en) * 1973-05-11 1975-01-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS501307A (en) * 1973-05-11 1975-01-08

Also Published As

Publication number Publication date
JPS5526774B2 (en) 1980-07-16

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