JPS6437391U - - Google Patents
Info
- Publication number
- JPS6437391U JPS6437391U JP1987130978U JP13097887U JPS6437391U JP S6437391 U JPS6437391 U JP S6437391U JP 1987130978 U JP1987130978 U JP 1987130978U JP 13097887 U JP13097887 U JP 13097887U JP S6437391 U JPS6437391 U JP S6437391U
- Authority
- JP
- Japan
- Prior art keywords
- current transformer
- comparator
- current
- converts
- detects
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Protection Of Static Devices (AREA)
- Power Conversion In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987130978U JPS6437391U (lm) | 1987-08-28 | 1987-08-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987130978U JPS6437391U (lm) | 1987-08-28 | 1987-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6437391U true JPS6437391U (lm) | 1989-03-07 |
Family
ID=31386624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987130978U Pending JPS6437391U (lm) | 1987-08-28 | 1987-08-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6437391U (lm) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59188335A (ja) * | 1983-04-08 | 1984-10-25 | 三菱電機株式会社 | 地絡検出回路 |
JPS61251419A (ja) * | 1985-04-30 | 1986-11-08 | 株式会社日立製作所 | 可変周波インバ−タの零相電流検出方法 |
-
1987
- 1987-08-28 JP JP1987130978U patent/JPS6437391U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59188335A (ja) * | 1983-04-08 | 1984-10-25 | 三菱電機株式会社 | 地絡検出回路 |
JPS61251419A (ja) * | 1985-04-30 | 1986-11-08 | 株式会社日立製作所 | 可変周波インバ−タの零相電流検出方法 |