IT8721775A0 - ELECTRONIC PROTECTION RELAY. - Google Patents

ELECTRONIC PROTECTION RELAY.

Info

Publication number
IT8721775A0
IT8721775A0 IT8721775A IT2177587A IT8721775A0 IT 8721775 A0 IT8721775 A0 IT 8721775A0 IT 8721775 A IT8721775 A IT 8721775A IT 2177587 A IT2177587 A IT 2177587A IT 8721775 A0 IT8721775 A0 IT 8721775A0
Authority
IT
Italy
Prior art keywords
protection relay
electronic protection
electronic
relay
protection
Prior art date
Application number
IT8721775A
Other languages
Italian (it)
Other versions
IT1230670B (en
Inventor
Said Lassal
Gabriel Muller
Original Assignee
Sprecher & 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 & Schuh Ag filed Critical Sprecher & Schuh Ag
Publication of IT8721775A0 publication Critical patent/IT8721775A0/en
Application granted granted Critical
Publication of IT1230670B publication Critical patent/IT1230670B/en

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
IT8721775A 1986-11-18 1987-09-02 ELECTRONIC PROTECTION RELAY. IT1230670B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT8721775A0 true IT8721775A0 (en) 1987-09-02
IT1230670B IT1230670B (en) 1991-10-29

Family

ID=4279060

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8721775A IT1230670B (en) 1986-11-18 1987-09-02 ELECTRONIC PROTECTION 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
CH671656A5 (en) 1989-09-15
GB8726573D0 (en) 1987-12-16
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
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950928