JPS51129643A - Load-current/phase-lack detecting circuit for three-phase circuit - Google Patents

Load-current/phase-lack detecting circuit for three-phase circuit

Info

Publication number
JPS51129643A
JPS51129643A JP5323475A JP5323475A JPS51129643A JP S51129643 A JPS51129643 A JP S51129643A JP 5323475 A JP5323475 A JP 5323475A JP 5323475 A JP5323475 A JP 5323475A JP S51129643 A JPS51129643 A JP S51129643A
Authority
JP
Japan
Prior art keywords
phase
circuit
load
current
lack
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
JP5323475A
Other languages
Japanese (ja)
Inventor
Kunimitsu Onoue
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP5323475A priority Critical patent/JPS51129643A/en
Publication of JPS51129643A publication Critical patent/JPS51129643A/en
Pending legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To detect phase-lack in a wide range from no-load to full-load as of a power transformer, without misdetecting the unbalance current.
COPYRIGHT: (C)1976,JPO&Japio
JP5323475A 1975-05-06 1975-05-06 Load-current/phase-lack detecting circuit for three-phase circuit Pending JPS51129643A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5323475A JPS51129643A (en) 1975-05-06 1975-05-06 Load-current/phase-lack detecting circuit for three-phase circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5323475A JPS51129643A (en) 1975-05-06 1975-05-06 Load-current/phase-lack detecting circuit for three-phase circuit

Publications (1)

Publication Number Publication Date
JPS51129643A true JPS51129643A (en) 1976-11-11

Family

ID=12937109

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5323475A Pending JPS51129643A (en) 1975-05-06 1975-05-06 Load-current/phase-lack detecting circuit for three-phase circuit

Country Status (1)

Country Link
JP (1) JPS51129643A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55139018A (en) * 1979-04-18 1980-10-30 Tokyo Shibaura Electric Co Stationary protective relay
JPS5610021A (en) * 1979-06-30 1981-02-02 Omron Tateisi Electronics Co Failure phase detector
JPS61101436U (en) * 1984-12-07 1986-06-28

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55139018A (en) * 1979-04-18 1980-10-30 Tokyo Shibaura Electric Co Stationary protective relay
JPH041571B2 (en) * 1979-04-18 1992-01-13 Tokyo Shibaura Electric Co
JPS5610021A (en) * 1979-06-30 1981-02-02 Omron Tateisi Electronics Co Failure phase detector
JPS61101436U (en) * 1984-12-07 1986-06-28

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