FI117360B - Menetelmä ja järjestelmä, jolla suojataan sarjavuodolta - Google Patents

Menetelmä ja järjestelmä, jolla suojataan sarjavuodolta Download PDF

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Publication number
FI117360B
FI117360B FI20001481A FI20001481A FI117360B FI 117360 B FI117360 B FI 117360B FI 20001481 A FI20001481 A FI 20001481A FI 20001481 A FI20001481 A FI 20001481A FI 117360 B FI117360 B FI 117360B
Authority
FI
Finland
Prior art keywords
installation
sensor
contact
ground
power supply
Prior art date
Application number
FI20001481A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20001481A (fi
Inventor
Aage Amundsen
Original Assignee
Sicom As
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 Sicom As filed Critical Sicom As
Publication of FI20001481A publication Critical patent/FI20001481A/fi
Application granted granted Critical
Publication of FI117360B publication Critical patent/FI117360B/fi

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
    • H02H5/04—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 abnormal temperature
    • H02H5/047—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 abnormal temperature using a temperature responsive switch
    • H02H5/048—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 abnormal temperature using a temperature responsive switch additionally responsive to excess current due to heating of the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/767—Normally open
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/334—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
FI20001481A 1997-12-22 2000-06-21 Menetelmä ja järjestelmä, jolla suojataan sarjavuodolta FI117360B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NO976052 1997-12-22
NO976052A NO307727B1 (no) 1997-12-22 1997-12-22 Fremgangsmåte og system for seriefeilvern
NO9800388 1998-12-21
PCT/NO1998/000388 WO1999033155A1 (en) 1997-12-22 1998-12-21 Method and system for series fault protection

Publications (2)

Publication Number Publication Date
FI20001481A FI20001481A (fi) 2000-06-21
FI117360B true FI117360B (fi) 2006-09-15

Family

ID=19901482

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20001481A FI117360B (fi) 1997-12-22 2000-06-21 Menetelmä ja järjestelmä, jolla suojataan sarjavuodolta

Country Status (7)

Country Link
US (1) US6621677B1 (no)
AU (1) AU2190399A (no)
DK (1) DK200000965A (no)
FI (1) FI117360B (no)
NO (1) NO307727B1 (no)
SE (1) SE518264C2 (no)
WO (1) WO1999033155A1 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO20034680A (no) * 2003-10-20 2004-12-06 Paul Middelhuis Sikkerhetsinnretning ved installasjonsmateriell
US7451012B2 (en) * 2007-02-21 2008-11-11 Gree Electric Applicances Inc. Of Zhuhai Fault electric arc protection circuits and method for detecting fault electric arc
GB2471869B (en) 2009-07-15 2012-04-25 Vishay Resistors Belgium Bvba Thermal switch
FR2979149B1 (fr) * 2011-08-18 2014-05-30 Cyril Charles Dispositif de surveillance thermique des bornes d'un dispositif de connexion electrique
US8964339B2 (en) 2012-03-30 2015-02-24 Yazaki North America, Inc. Faulty protective earth ground circuit detection system and method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872355A (en) * 1973-09-18 1975-03-18 Gen Electric Fire detection and projection circuit and device
DE3229020C2 (de) 1982-08-04 1985-10-31 Karl Pfisterer Elektrotechnische Spezialartikel Gmbh & Co Kg, 7000 Stuttgart Einrichtung zur Anzeige einer Übertemperatur eines elektrischen Leiters
GB2156154A (en) 1984-03-19 1985-10-02 Edward George Henry Read Temperature sensors
DE3526007C2 (de) * 1984-07-20 1999-11-11 Papst Licensing Gmbh & Co Kg Schaltungsanordnung zum Ansteuern eines kollektorlosen, an ein Gleichstromnetz angeschlossenen Gleichsstrommotors
US4858054A (en) * 1985-05-07 1989-08-15 Franklin Frederick F Protective circuits and devices for the prevention of fires
US4763365A (en) * 1987-04-15 1988-08-16 Tolo, Inc. Spa system having high temperature safety device
US5193044A (en) * 1990-08-29 1993-03-09 Alcatel Network Systems, Inc. Apparatus for line card power cross protection
DK173739B1 (da) 1993-03-15 2001-08-27 Egon Geertsen Sikkerhedsafbryder
US5627719A (en) 1993-08-17 1997-05-06 Gaston; William R. Electrical wiring system with overtemperature protection
US5805399A (en) * 1996-09-06 1998-09-08 Everbrite, Inc Apparatus for detecting luminous tube and power supply faults where ground fault currents may be absent
US5844761A (en) * 1997-11-24 1998-12-01 Place, Iv; Oliver Rex Device for circuit board power surge protection such as protection of telecommunication line cards from lightning and power cross conditions

Also Published As

Publication number Publication date
SE0002269L (sv) 2000-08-16
FI20001481A (fi) 2000-06-21
US6621677B1 (en) 2003-09-16
NO976052L (no) 1999-06-23
NO976052D0 (no) 1997-12-22
WO1999033155A1 (en) 1999-07-01
SE0002269D0 (sv) 2000-06-19
AU2190399A (en) 1999-07-12
DK200000965A (da) 2000-08-16
SE518264C2 (sv) 2002-09-17
NO307727B1 (no) 2000-05-15

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