IT1017827B - RELEASE DEVICE WITH A DI TRANSDUCER FOR THE DETECTION OF SHORT CIRCUIT CURRENTS IN A DIRECT CURRENT SYSTEM FOR EXAMPLE IN A RAILWAY SYSTEM - Google Patents

RELEASE DEVICE WITH A DI TRANSDUCER FOR THE DETECTION OF SHORT CIRCUIT CURRENTS IN A DIRECT CURRENT SYSTEM FOR EXAMPLE IN A RAILWAY SYSTEM

Info

Publication number
IT1017827B
IT1017827B IT2587774A IT2587774A IT1017827B IT 1017827 B IT1017827 B IT 1017827B IT 2587774 A IT2587774 A IT 2587774A IT 2587774 A IT2587774 A IT 2587774A IT 1017827 B IT1017827 B IT 1017827B
Authority
IT
Italy
Prior art keywords
transducer
detection
direct current
short circuit
release device
Prior art date
Application number
IT2587774A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1017827B publication Critical patent/IT1017827B/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
    • H02H3/44—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 the rate of change of electrical quantities
    • H02H3/445—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 the rate of change of electrical quantities of DC quantities
IT2587774A 1973-08-01 1974-08-01 RELEASE DEVICE WITH A DI TRANSDUCER FOR THE DETECTION OF SHORT CIRCUIT CURRENTS IN A DIRECT CURRENT SYSTEM FOR EXAMPLE IN A RAILWAY SYSTEM IT1017827B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732338918 DE2338918C3 (en) 1973-08-01 1973-08-01 Tripping device

Publications (1)

Publication Number Publication Date
IT1017827B true IT1017827B (en) 1977-08-10

Family

ID=5888541

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2587774A IT1017827B (en) 1973-08-01 1974-08-01 RELEASE DEVICE WITH A DI TRANSDUCER FOR THE DETECTION OF SHORT CIRCUIT CURRENTS IN A DIRECT CURRENT SYSTEM FOR EXAMPLE IN A RAILWAY SYSTEM

Country Status (4)

Country Link
DE (1) DE2338918C3 (en)
FR (1) FR2239788B3 (en)
GB (1) GB1465757A (en)
IT (1) IT1017827B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH566009A5 (en) * 1973-12-14 1975-08-29 Secheron Atel
DE3206266A1 (en) * 1982-02-20 1983-09-01 Bbc Brown Boveri & Cie Overcurrent protection device for a semiconductor switch
SE520005C2 (en) * 2001-09-21 2003-05-06 Abb Ab Converter and method of controlling a converter
CN102185288B (en) * 2011-05-18 2014-08-20 北京四方继保自动化股份有限公司 Current increment protection method capable of reflecting mean current change rate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1563661C3 (en) * 1966-02-03 1978-06-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Trip device for electrical switches
DE1911202B2 (en) * 1969-02-28 1977-12-29 Siemens AG, 1000 Berlin und 8000 München Electronic excess current release for circuit breaker - has automatic trip following auxiliary power supply failure using relays
DE1917287A1 (en) * 1969-04-03 1970-10-08 Licentia Gmbh Switching device for monitoring a direct current system
US3665506A (en) * 1970-02-04 1972-05-23 Bendix Corp Electrical apparatus and gaging device using same
CH534444A (en) * 1972-05-23 1973-02-28 Sprecher & Schuh Ag Electronic motor protection relay with current-dependent tripping

Also Published As

Publication number Publication date
FR2239788A1 (en) 1975-02-28
DE2338918C3 (en) 1982-06-03
DE2338918A1 (en) 1975-02-13
DE2338918B2 (en) 1980-02-14
GB1465757A (en) 1977-03-02
FR2239788B3 (en) 1977-06-03

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