JPS5336128A - Overcurrent detection equipment - Google Patents

Overcurrent detection equipment

Info

Publication number
JPS5336128A
JPS5336128A JP11105576A JP11105576A JPS5336128A JP S5336128 A JPS5336128 A JP S5336128A JP 11105576 A JP11105576 A JP 11105576A JP 11105576 A JP11105576 A JP 11105576A JP S5336128 A JPS5336128 A JP S5336128A
Authority
JP
Japan
Prior art keywords
overcurrent detection
detection equipment
supervised
discriminate
amplification
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
JP11105576A
Other languages
Japanese (ja)
Inventor
Toru Omori
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP11105576A priority Critical patent/JPS5336128A/en
Publication of JPS5336128A publication Critical patent/JPS5336128A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

PURPOSE:Direct currents to be supervised are converted into light by a LED, and further the photoelectric conversion and amplification are performed to discriminate their level, thereby improving the overcurrent detection precision.
JP11105576A 1976-09-16 1976-09-16 Overcurrent detection equipment Pending JPS5336128A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11105576A JPS5336128A (en) 1976-09-16 1976-09-16 Overcurrent detection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11105576A JPS5336128A (en) 1976-09-16 1976-09-16 Overcurrent detection equipment

Publications (1)

Publication Number Publication Date
JPS5336128A true JPS5336128A (en) 1978-04-04

Family

ID=14551254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11105576A Pending JPS5336128A (en) 1976-09-16 1976-09-16 Overcurrent detection equipment

Country Status (1)

Country Link
JP (1) JPS5336128A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5764671U (en) * 1980-09-29 1982-04-17
JPS5781569U (en) * 1980-11-05 1982-05-20
JPS58151852U (en) * 1982-04-05 1983-10-12 東洋電機製造株式会社 overcurrent detector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5764671U (en) * 1980-09-29 1982-04-17
JPS5781569U (en) * 1980-11-05 1982-05-20
JPS58151852U (en) * 1982-04-05 1983-10-12 東洋電機製造株式会社 overcurrent detector

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