JPS5347949A - Arc extinguishing detection circuit - Google Patents

Arc extinguishing detection circuit

Info

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
Application number
JP12243676A
Other languages
Japanese (ja)
Inventor
Koji Awatani
Hidenori Okubo
Tetsuyuki Kawashima
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP12243676A priority Critical patent/JPS5347949A/en
Publication of JPS5347949A publication Critical patent/JPS5347949A/en
Pending legal-status Critical Current

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
JP12243676A 1976-10-13 1976-10-13 Arc extinguishing detection circuit Pending JPS5347949A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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