JPS5254146A - Motor protector - Google Patents

Motor protector

Info

Publication number
JPS5254146A
JPS5254146A JP50130750A JP13075075A JPS5254146A JP S5254146 A JPS5254146 A JP S5254146A JP 50130750 A JP50130750 A JP 50130750A JP 13075075 A JP13075075 A JP 13075075A JP S5254146 A JPS5254146 A JP S5254146A
Authority
JP
Japan
Prior art keywords
motor
motor protector
pulse signals
value
flxed
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
JP50130750A
Other languages
Japanese (ja)
Inventor
Masami Hatsuyama
Sumi Ishida
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50130750A priority Critical patent/JPS5254146A/en
Publication of JPS5254146A publication Critical patent/JPS5254146A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Linear Motors (AREA)
  • Protection Of Generators And Motors (AREA)

Abstract

PURPOSE: To provide a pulse-signal generating circuit which generates pulse signals when the revolutions of a motor come below a flxed value, and motor-stop pulse signals when the motor revolution speed lower than a fixed value intermittently continuous for a fixed length of time.
COPYRIGHT: (C)1977,JPO&Japio
JP50130750A 1975-10-29 1975-10-29 Motor protector Pending JPS5254146A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50130750A JPS5254146A (en) 1975-10-29 1975-10-29 Motor protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50130750A JPS5254146A (en) 1975-10-29 1975-10-29 Motor protector

Publications (1)

Publication Number Publication Date
JPS5254146A true JPS5254146A (en) 1977-05-02

Family

ID=15041733

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50130750A Pending JPS5254146A (en) 1975-10-29 1975-10-29 Motor protector

Country Status (1)

Country Link
JP (1) JPS5254146A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154387A (en) * 1982-03-09 1983-09-13 Matsushita Electric Ind Co Ltd Brushless dc motor
JPS58154385A (en) * 1982-03-05 1983-09-13 Matsushita Electric Ind Co Ltd Brushless dc motor
JPS58224590A (en) * 1982-06-22 1983-12-26 Shibaura Eng Works Co Ltd Drive circuit for brushless motor
JPS614496A (en) * 1984-06-19 1986-01-10 Matsushita Refrig Co Frequency converter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154385A (en) * 1982-03-05 1983-09-13 Matsushita Electric Ind Co Ltd Brushless dc motor
JPS58154387A (en) * 1982-03-09 1983-09-13 Matsushita Electric Ind Co Ltd Brushless dc motor
JPS58224590A (en) * 1982-06-22 1983-12-26 Shibaura Eng Works Co Ltd Drive circuit for brushless motor
JPS614496A (en) * 1984-06-19 1986-01-10 Matsushita Refrig Co Frequency converter

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