JPH01123428U - - Google Patents
Info
- Publication number
- JPH01123428U JPH01123428U JP1770688U JP1770688U JPH01123428U JP H01123428 U JPH01123428 U JP H01123428U JP 1770688 U JP1770688 U JP 1770688U JP 1770688 U JP1770688 U JP 1770688U JP H01123428 U JPH01123428 U JP H01123428U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- phase power
- power supply
- section
- signal line
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1770688U JPH01123428U (ar) | 1988-02-12 | 1988-02-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1770688U JPH01123428U (ar) | 1988-02-12 | 1988-02-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01123428U true JPH01123428U (ar) | 1989-08-22 |
Family
ID=31231727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1770688U Pending JPH01123428U (ar) | 1988-02-12 | 1988-02-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01123428U (ar) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001296324A (ja) * | 2000-04-18 | 2001-10-26 | Yaskawa Electric Corp | 3相電源欠相検出回路 |
JP2009207329A (ja) * | 2008-02-29 | 2009-09-10 | Daikin Ind Ltd | 過電圧保護回路 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139220A (ja) * | 1984-12-12 | 1986-06-26 | 日本電気株式会社 | 三相交流の欠相検出回路 |
-
1988
- 1988-02-12 JP JP1770688U patent/JPH01123428U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139220A (ja) * | 1984-12-12 | 1986-06-26 | 日本電気株式会社 | 三相交流の欠相検出回路 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001296324A (ja) * | 2000-04-18 | 2001-10-26 | Yaskawa Electric Corp | 3相電源欠相検出回路 |
JP4687839B2 (ja) * | 2000-04-18 | 2011-05-25 | 株式会社安川電機 | 3相電源欠相検出回路 |
JP2009207329A (ja) * | 2008-02-29 | 2009-09-10 | Daikin Ind Ltd | 過電圧保護回路 |
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