GB2199707B - Electrical protective circuits - Google Patents

Electrical protective circuits

Info

Publication number
GB2199707B
GB2199707B GB8801381A GB8801381A GB2199707B GB 2199707 B GB2199707 B GB 2199707B GB 8801381 A GB8801381 A GB 8801381A GB 8801381 A GB8801381 A GB 8801381A GB 2199707 B GB2199707 B GB 2199707B
Authority
GB
United Kingdom
Prior art keywords
protective circuits
electrical protective
electrical
circuits
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.)
Expired
Application number
GB8801381A
Other versions
GB8801381D0 (en
GB2199707A (en
Inventor
Terence Edward Corbyn
Ivarsz Kocins
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.)
INDEPENDENT TELEVISION NEWS LI
Original Assignee
INDEPENDENT TELEVISION NEWS LI
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
Priority claimed from GB848429523A external-priority patent/GB8429523D0/en
Application filed by INDEPENDENT TELEVISION NEWS LI filed Critical INDEPENDENT TELEVISION NEWS LI
Priority to GB8801381A priority Critical patent/GB2199707B/en
Publication of GB8801381D0 publication Critical patent/GB8801381D0/en
Publication of GB2199707A publication Critical patent/GB2199707A/en
Application granted granted Critical
Publication of GB2199707B publication Critical patent/GB2199707B/en
Expired legal-status Critical Current

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
    • 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
GB8801381A 1984-11-22 1988-01-22 Electrical protective circuits Expired GB2199707B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8801381A GB2199707B (en) 1984-11-22 1988-01-22 Electrical protective circuits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB848429523A GB8429523D0 (en) 1984-11-22 1984-11-22 Earth validity tester
GB8801381A GB2199707B (en) 1984-11-22 1988-01-22 Electrical protective circuits

Publications (3)

Publication Number Publication Date
GB8801381D0 GB8801381D0 (en) 1988-02-24
GB2199707A GB2199707A (en) 1988-07-13
GB2199707B true GB2199707B (en) 1989-04-19

Family

ID=26288486

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8801381A Expired GB2199707B (en) 1984-11-22 1988-01-22 Electrical protective circuits

Country Status (1)

Country Link
GB (1) GB2199707B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9006277D0 (en) * 1990-03-20 1990-05-16 Digital Equipment Int Anti-static safety apparatus
GB2306065A (en) * 1995-10-14 1997-04-23 Ashley & Rock Ltd Electric current supply monitor
FR2978556B1 (en) * 2011-07-29 2014-03-07 Schneider Electric Ind Sas EARTH CONDUCTOR MONITORING DEVICE WITH IMPEDANCE MEASUREMENT
DE102015102468B3 (en) * 2015-02-20 2016-06-16 Sma Solar Technology Ag Emergency power system and grounding device for a network backup system

Also Published As

Publication number Publication date
GB8801381D0 (en) 1988-02-24
GB2199707A (en) 1988-07-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee