AU1885395A - Thermal overload protection for switches - Google Patents

Thermal overload protection for switches

Info

Publication number
AU1885395A
AU1885395A AU18853/95A AU1885395A AU1885395A AU 1885395 A AU1885395 A AU 1885395A AU 18853/95 A AU18853/95 A AU 18853/95A AU 1885395 A AU1885395 A AU 1885395A AU 1885395 A AU1885395 A AU 1885395A
Authority
AU
Australia
Prior art keywords
switches
overload protection
thermal overload
thermal
protection
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.)
Abandoned
Application number
AU18853/95A
Inventor
Josef Brandstatter
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.)
Felten and Guilleaume Austria AG
Original Assignee
Felten and Guilleaume Austria AG
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 Felten and Guilleaume Austria AG filed Critical Felten and Guilleaume Austria AG
Publication of AU1885395A publication Critical patent/AU1885395A/en
Abandoned legal-status Critical Current

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
    • H02H3/26—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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/06—Arrangements for supplying operative power
    • H02H1/063—Arrangements for supplying operative power primary power being supplied by fault current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/048—Fuse resistors
    • H01H2085/0483—Fuse resistors with temperature dependent resistor, e.g. thermistor
    • 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
    • H02H3/335—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 the main function being self testing of the device
    • 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
    • H02H5/042—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 temperature dependent resistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
AU18853/95A 1994-03-28 1995-03-22 Thermal overload protection for switches Abandoned AU1885395A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT662/94 1994-03-28
AT66294 1994-03-28
PCT/AT1995/000060 WO1995026586A1 (en) 1994-03-28 1995-03-22 Thermal overload protection for switches

Publications (1)

Publication Number Publication Date
AU1885395A true AU1885395A (en) 1995-10-17

Family

ID=3496515

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18853/95A Abandoned AU1885395A (en) 1994-03-28 1995-03-22 Thermal overload protection for switches

Country Status (3)

Country Link
AU (1) AU1885395A (en)
CZ (1) CZ75595A3 (en)
WO (1) WO1995026586A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2754949B1 (en) * 1996-10-18 2003-04-25 Schneider Electric Sa THERMAL PROTECTION DIFFERENTIAL SWITCH
DE19842470A1 (en) 1998-09-16 2000-03-23 Siemens Ag Earth-leakage circuit-breaker (elcb) arrangement with overload protection e.g. for electrical plant and equipment
IT1319714B1 (en) * 2000-12-28 2003-11-03 Abb Ricerca Spa LOW VOLTAGE ELECTRONIC DIFFERENTIAL SWITCH WITH IMPROVED FUNCTIONALITY
GB0226111D0 (en) 2002-11-08 2002-12-18 Delta Electrical Ltd Residual current devices
FR2850803B1 (en) * 2003-02-04 2005-04-22 Schneider Electric Ind Sas INTERRUPTION DEVICE HAVING DIFFERENTIAL PROTECTION AND THERMAL PROTECTIION
DE102008004868A1 (en) 2008-01-17 2009-07-30 Siemens Aktiengesellschaft Residual Current Device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT259054B (en) * 1966-01-25 1967-12-27 Uninorm Anstalt Residual current circuit breaker with additional overcurrent release
US3803455A (en) * 1973-01-02 1974-04-09 Gen Electric Electric circuit breaker static trip unit with thermal override

Also Published As

Publication number Publication date
CZ75595A3 (en) 1995-11-15
WO1995026586A1 (en) 1995-10-05

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