IT1237156B - Dispositivo elettronico di sicurezza per collegamenti a prese di terra - Google Patents

Dispositivo elettronico di sicurezza per collegamenti a prese di terra

Info

Publication number
IT1237156B
IT1237156B IT02283089A IT2283089A IT1237156B IT 1237156 B IT1237156 B IT 1237156B IT 02283089 A IT02283089 A IT 02283089A IT 2283089 A IT2283089 A IT 2283089A IT 1237156 B IT1237156 B IT 1237156B
Authority
IT
Italy
Prior art keywords
safety device
ground connections
electronic safety
electronic
connections
Prior art date
Application number
IT02283089A
Other languages
English (en)
Other versions
IT8922830A0 (it
IT8922830A1 (it
Inventor
Virgilio Guzzini
Original Assignee
Teuco Guzzini Srl
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 Teuco Guzzini Srl filed Critical Teuco Guzzini Srl
Priority to IT02283089A priority Critical patent/IT1237156B/it
Publication of IT8922830A0 publication Critical patent/IT8922830A0/it
Priority to EP90203456A priority patent/EP0435405A1/en
Publication of IT8922830A1 publication Critical patent/IT8922830A1/it
Application granted granted Critical
Publication of IT1237156B publication Critical patent/IT1237156B/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
    • H02H5/105—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection responsive to deterioration or interruption of earth connection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H02H1/003—Fault detection by injection of an auxiliary voltage
IT02283089A 1989-12-22 1989-12-22 Dispositivo elettronico di sicurezza per collegamenti a prese di terra IT1237156B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT02283089A IT1237156B (it) 1989-12-22 1989-12-22 Dispositivo elettronico di sicurezza per collegamenti a prese di terra
EP90203456A EP0435405A1 (en) 1989-12-22 1990-12-20 Electronic safety device for connections to earth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02283089A IT1237156B (it) 1989-12-22 1989-12-22 Dispositivo elettronico di sicurezza per collegamenti a prese di terra

Publications (3)

Publication Number Publication Date
IT8922830A0 IT8922830A0 (it) 1989-12-22
IT8922830A1 IT8922830A1 (it) 1991-06-22
IT1237156B true IT1237156B (it) 1993-05-24

Family

ID=11200942

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02283089A IT1237156B (it) 1989-12-22 1989-12-22 Dispositivo elettronico di sicurezza per collegamenti a prese di terra

Country Status (2)

Country Link
EP (1) EP0435405A1 (it)
IT (1) IT1237156B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1936773A1 (en) * 2006-12-22 2008-06-25 Abb Research Ltd. System and method to detect a forgotten safety ground of an electrical facility
FR2978556B1 (fr) * 2011-07-29 2014-03-07 Schneider Electric Ind Sas Dispositif de surveillance d'un conducteur de terre avec mesure de l'impedance
EP2572921A1 (de) * 2011-09-26 2013-03-27 Siemens Aktiengesellschaft Schaltkreisüberwachung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153923A (en) * 1977-02-15 1979-05-08 Graf Robert G Ground monitoring system and method
US4368498A (en) * 1979-03-20 1983-01-11 Harvey Hubbell Incorporated Ground conductor monitoring system

Also Published As

Publication number Publication date
EP0435405A1 (en) 1991-07-03
IT8922830A0 (it) 1989-12-22
IT8922830A1 (it) 1991-06-22

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951220