GB2082407B - Digital processing relay - Google Patents

Digital processing relay

Info

Publication number
GB2082407B
GB2082407B GB8118137.2A GB8118137A GB2082407B GB 2082407 B GB2082407 B GB 2082407B GB 8118137 A GB8118137 A GB 8118137A GB 2082407 B GB2082407 B GB 2082407B
Authority
GB
United Kingdom
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.)
Expired
Application number
GB8118137.2A
Other languages
English (en)
Other versions
GB2082407A (en
Inventor
Maeda Koji
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
Publication of GB2082407A publication Critical patent/GB2082407A/en
Application granted granted Critical
Publication of GB2082407B publication Critical patent/GB2082407B/en
Expired 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)
GB8118137.2A 1980-06-13 1981-06-12 Digital processing relay Expired GB2082407B (en)

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
GB2082407A GB2082407A (en) 1982-03-03
GB2082407B true GB2082407B (en) 1984-04-26

Family

ID=13763372

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8118137.2A Expired GB2082407B (en) 1980-06-13 1981-06-12 Digital processing relay

Country Status (3)

Country Link
JP (1) JPS576521A (https=)
FR (1) FR2484725B1 (https=)
GB (1) GB2082407B (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3226305A1 (de) * 1982-07-14 1984-01-19 Harald Dr. 4405 Nottuln Berlin Verfahren zur kompensation von differentiellen fehlern bei analog-digitalmesssystemen, die nach der methode der sukzessiven approximation arbeiten
JPH0828934B2 (ja) * 1984-07-31 1996-03-21 株式会社東芝 保護制御装置

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 (ja) * 1978-11-13 1983-06-29 東京電力株式会社 送電線故障点探査・送電線保護用の故障点標定方式

Also Published As

Publication number Publication date
FR2484725A1 (fr) 1981-12-18
FR2484725B1 (fr) 1985-07-12
JPS576521A (en) 1982-01-13
JPS6361847B2 (https=) 1988-11-30
GB2082407A (en) 1982-03-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee