JPS548562A - Power-factor measuring circuit for 3-phase 4-wire unbalanced currents - Google Patents

Power-factor measuring circuit for 3-phase 4-wire unbalanced currents

Info

Publication number
JPS548562A
JPS548562A JP7403477A JP7403477A JPS548562A JP S548562 A JPS548562 A JP S548562A JP 7403477 A JP7403477 A JP 7403477A JP 7403477 A JP7403477 A JP 7403477A JP S548562 A JPS548562 A JP S548562A
Authority
JP
Japan
Prior art keywords
power
phase
measuring circuit
unbalanced currents
factor measuring
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
JP7403477A
Other languages
Japanese (ja)
Inventor
Kenzo Akamatsu
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 JP7403477A priority Critical patent/JPS548562A/en
Publication of JPS548562A publication Critical patent/JPS548562A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To measure the power-factors of unbalanced currents with a simple constitution by drawing out specified positive phase current vectors with composite current transformers.
COPYRIGHT: (C)1979,JPO&Japio
JP7403477A 1977-06-21 1977-06-21 Power-factor measuring circuit for 3-phase 4-wire unbalanced currents Pending JPS548562A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7403477A JPS548562A (en) 1977-06-21 1977-06-21 Power-factor measuring circuit for 3-phase 4-wire unbalanced currents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7403477A JPS548562A (en) 1977-06-21 1977-06-21 Power-factor measuring circuit for 3-phase 4-wire unbalanced currents

Publications (1)

Publication Number Publication Date
JPS548562A true JPS548562A (en) 1979-01-22

Family

ID=13535452

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7403477A Pending JPS548562A (en) 1977-06-21 1977-06-21 Power-factor measuring circuit for 3-phase 4-wire unbalanced currents

Country Status (1)

Country Link
JP (1) JPS548562A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63251018A (en) * 1987-04-07 1988-10-18 追浜工業株式会社 Method and apparatus for washing flower pot

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911975U (en) * 1972-05-06 1974-01-31

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911975U (en) * 1972-05-06 1974-01-31

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63251018A (en) * 1987-04-07 1988-10-18 追浜工業株式会社 Method and apparatus for washing flower pot

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