IT1131641B - ELECTRONIC RELEASE DEVICE - Google Patents

ELECTRONIC RELEASE DEVICE

Info

Publication number
IT1131641B
IT1131641B IT22943/80A IT2294380A IT1131641B IT 1131641 B IT1131641 B IT 1131641B IT 22943/80 A IT22943/80 A IT 22943/80A IT 2294380 A IT2294380 A IT 2294380A IT 1131641 B IT1131641 B IT 1131641B
Authority
IT
Italy
Prior art keywords
release device
electronic release
electronic
release
Prior art date
Application number
IT22943/80A
Other languages
Italian (it)
Other versions
IT8022943A0 (en
Inventor
Zoltan Giday
Gerd Schwarz
Peter Loheitt
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of IT8022943A0 publication Critical patent/IT8022943A0/en
Application granted granted Critical
Publication of IT1131641B publication Critical patent/IT1131641B/en

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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
IT22943/80A 1979-06-26 1980-06-23 ELECTRONIC RELEASE DEVICE IT1131641B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792925707 DE2925707A1 (en) 1979-06-26 1979-06-26 ELECTRONIC TRIGGER

Publications (2)

Publication Number Publication Date
IT8022943A0 IT8022943A0 (en) 1980-06-23
IT1131641B true IT1131641B (en) 1986-06-25

Family

ID=6074171

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22943/80A IT1131641B (en) 1979-06-26 1980-06-23 ELECTRONIC RELEASE DEVICE

Country Status (4)

Country Link
DE (1) DE2925707A1 (en)
FR (1) FR2460060B1 (en)
GB (1) GB2054872B (en)
IT (1) IT1131641B (en)

Families Citing this family (2)

* 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
US4439666A (en) * 1981-10-07 1984-03-27 Intermountain Thermafloor Electrical heating system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178642A (en) * 1959-11-18 1965-04-13 Westinghouse Electric Corp Electrical testers having means for supplying three-phase voltage of adjustable magnitude and polarity for testing polyphase electrical apparatus
DE1588924A1 (en) * 1967-11-03 1971-04-01 Starkstrom Anlagenbau Erfurt V Testing device for electronic protection and control elements

Also Published As

Publication number Publication date
FR2460060B1 (en) 1985-10-31
IT8022943A0 (en) 1980-06-23
GB2054872B (en) 1984-05-31
DE2925707A1 (en) 1981-01-22
GB2054872A (en) 1981-02-18
FR2460060A1 (en) 1981-01-16

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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: 19950628