GB8726573D0 - Electronic protective relay - Google Patents

Electronic protective relay

Info

Publication number
GB8726573D0
GB8726573D0 GB878726573A GB8726573A GB8726573D0 GB 8726573 D0 GB8726573 D0 GB 8726573D0 GB 878726573 A GB878726573 A GB 878726573A GB 8726573 A GB8726573 A GB 8726573A GB 8726573 D0 GB8726573 D0 GB 8726573D0
Authority
GB
United Kingdom
Prior art keywords
protective relay
electronic protective
electronic
relay
protective
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
GB878726573A
Other versions
GB2197763A (en
GB2197763B (en
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.)
Rockwell Automation Switzerland GmbH
Original Assignee
Sprecher und Schuh AG
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 Sprecher und Schuh AG filed Critical Sprecher und Schuh AG
Publication of GB8726573D0 publication Critical patent/GB8726573D0/en
Publication of GB2197763A publication Critical patent/GB2197763A/en
Application granted granted Critical
Publication of GB2197763B publication Critical patent/GB2197763B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
    • H02H1/0053—Means for storing the measured quantities during a predetermined time
GB8726573A 1986-11-18 1987-11-13 Electronic protective relay Expired - Fee Related GB2197763B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH4597/86A CH671656A5 (en) 1986-11-18 1986-11-18

Publications (3)

Publication Number Publication Date
GB8726573D0 true GB8726573D0 (en) 1987-12-16
GB2197763A GB2197763A (en) 1988-05-25
GB2197763B GB2197763B (en) 1991-01-02

Family

ID=4279060

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8726573A Expired - Fee Related GB2197763B (en) 1986-11-18 1987-11-13 Electronic protective relay

Country Status (4)

Country Link
CH (1) CH671656A5 (en)
DE (1) DE3728197C2 (en)
GB (1) GB2197763B (en)
IT (1) IT1230670B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414601A (en) * 1981-04-27 1983-11-08 Westinghouse Electric Corp. Solid-state load protection system having a test feature
US4368500A (en) * 1981-04-27 1983-01-11 Westinghouse Electric Corp. Solid-state load protection system having an improved inverse time delay circuit
US4509088A (en) * 1982-09-30 1985-04-02 Square D Company Motor protector relay with memory of overload

Also Published As

Publication number Publication date
IT8721775A0 (en) 1987-09-02
CH671656A5 (en) 1989-09-15
DE3728197C2 (en) 1995-09-07
GB2197763A (en) 1988-05-25
GB2197763B (en) 1991-01-02
DE3728197A1 (en) 1988-05-19
IT1230670B (en) 1991-10-29

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961113