JPS548562A - Power-factor measuring circuit for 3-phase 4-wire unbalanced currents - Google Patents
Power-factor measuring circuit for 3-phase 4-wire unbalanced currentsInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4911975U (en) * | 1972-05-06 | 1974-01-31 |
-
1977
- 1977-06-21 JP JP7403477A patent/JPS548562A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4911975U (en) * | 1972-05-06 | 1974-01-31 |
Cited By (1)
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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