JPS576521A - Digital processing relay - Google Patents

Digital processing relay

Info

Publication number
JPS576521A
JPS576521A JP8203980A JP8203980A JPS576521A JP S576521 A JPS576521 A JP S576521A JP 8203980 A JP8203980 A JP 8203980A JP 8203980 A JP8203980 A JP 8203980A JP S576521 A JPS576521 A JP S576521A
Authority
JP
Japan
Prior art keywords
digital processing
processing relay
relay
digital
processing
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.)
Granted
Application number
JP8203980A
Other languages
Japanese (ja)
Other versions
JPS6361847B2 (en
Inventor
Kouji Maeda
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8203980A priority Critical patent/JPS576521A/en
Priority to GB8118137A priority patent/GB2082407A/en
Priority to FR8111637A priority patent/FR2484725B1/en
Publication of JPS576521A publication Critical patent/JPS576521A/en
Publication of JPS6361847B2 publication Critical patent/JPS6361847B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/16—Measuring asymmetry of polyphase networks
    • 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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP8203980A 1980-06-13 1980-06-13 Digital processing relay Granted JPS576521A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP8203980A JPS576521A (en) 1980-06-13 1980-06-13 Digital processing relay
GB8118137A GB2082407A (en) 1980-06-13 1981-06-12 Digital relay
FR8111637A FR2484725B1 (en) 1980-06-13 1981-06-12 DIGITAL PROCESSING RELAYS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8203980A JPS576521A (en) 1980-06-13 1980-06-13 Digital processing relay

Publications (2)

Publication Number Publication Date
JPS576521A true JPS576521A (en) 1982-01-13
JPS6361847B2 JPS6361847B2 (en) 1988-11-30

Family

ID=13763372

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8203980A Granted JPS576521A (en) 1980-06-13 1980-06-13 Digital processing relay

Country Status (3)

Country Link
JP (1) JPS576521A (en)
FR (1) FR2484725B1 (en)
GB (1) GB2082407A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3226305A1 (en) * 1982-07-14 1984-01-19 Harald Dr. 4405 Nottuln Berlin Method for compensating for differential errors in analog/digital measuring systems which operate in accordance with the method of progressive approximation
JPH0828934B2 (en) * 1984-07-31 1996-03-21 株式会社東芝 Protection control device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006348A (en) * 1973-10-01 1977-02-01 Tokyo Denryoku Kabushiki Kaisha Apparatus for monitoring two electric quantities by combining three consecutive samples of each quantity
JPS5830554B2 (en) * 1978-11-13 1983-06-29 東京電力株式会社 Fault point location method for power line fault detection and power line protection

Also Published As

Publication number Publication date
FR2484725A1 (en) 1981-12-18
FR2484725B1 (en) 1985-07-12
GB2082407A (en) 1982-03-03
JPS6361847B2 (en) 1988-11-30

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