JPS5347949A - Arc extinguishing detection circuit - Google Patents
Arc extinguishing detection circuitInfo
- Publication number
- JPS5347949A JPS5347949A JP12243676A JP12243676A JPS5347949A JP S5347949 A JPS5347949 A JP S5347949A JP 12243676 A JP12243676 A JP 12243676A JP 12243676 A JP12243676 A JP 12243676A JP S5347949 A JPS5347949 A JP S5347949A
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- arc extinguishing
- extinguishing detection
- photocoupler
- adaptable
- 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
Landscapes
- Protection Of Static Devices (AREA)
- Inverter Devices (AREA)
Abstract
PURPOSE: To obtain a simple and high reliability arc extinguishing detection circuit which is adaptable to a pulse modulation type inverter by detecting the voltage applied to an electrical valve with a photocoupler and determining with an OR circuit whether it is applied at specified period of time.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12243676A JPS5347949A (en) | 1976-10-13 | 1976-10-13 | Arc extinguishing detection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12243676A JPS5347949A (en) | 1976-10-13 | 1976-10-13 | Arc extinguishing detection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5347949A true JPS5347949A (en) | 1978-04-28 |
Family
ID=14835792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12243676A Pending JPS5347949A (en) | 1976-10-13 | 1976-10-13 | Arc extinguishing detection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5347949A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57187236A (en) * | 1981-05-14 | 1982-11-17 | Toray Ind Inc | Manufacture of rubber connector |
JPS5835608A (en) * | 1981-08-26 | 1983-03-02 | Hitachi Ltd | Fault detecting circuit |
-
1976
- 1976-10-13 JP JP12243676A patent/JPS5347949A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57187236A (en) * | 1981-05-14 | 1982-11-17 | Toray Ind Inc | Manufacture of rubber connector |
JPS5835608A (en) * | 1981-08-26 | 1983-03-02 | Hitachi Ltd | Fault detecting circuit |
JPH0410313B2 (en) * | 1981-08-26 | 1992-02-24 |
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