EP4374404A1 - Schutzschaltgerät und verfahren - Google Patents

Schutzschaltgerät und verfahren

Info

Publication number
EP4374404A1
EP4374404A1 EP22790268.1A EP22790268A EP4374404A1 EP 4374404 A1 EP4374404 A1 EP 4374404A1 EP 22790268 A EP22790268 A EP 22790268A EP 4374404 A1 EP4374404 A1 EP 4374404A1
Authority
EP
European Patent Office
Prior art keywords
voltage
low
switching device
unit
protective switching
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.)
Pending
Application number
EP22790268.1A
Other languages
German (de)
English (en)
French (fr)
Inventor
Marvin TANNHÄUSER
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP4374404A1 publication Critical patent/EP4374404A1/de
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency 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
    • H02H3/32Emergency 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
    • H02H3/33Emergency 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/12Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by voltage falling below a predetermined value, e.g. for no-volt protection
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/547Combinations of mechanical switches and static switches, the latter being controlled by the former
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/548Electromechanical and static switch connected in series
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/05Details with means for increasing reliability, e.g. redundancy arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/24Emergency 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 undervoltage or no-voltage
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04Means for indicating condition of the switching device
    • H01H2071/044Monitoring, detection or measuring systems to establish the end of life of the switching device, can also contain other on-line monitoring systems, e.g. for detecting mechanical failures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/10Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess voltage, e.g. for lightning protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
EP22790268.1A 2021-09-28 2022-09-16 Schutzschaltgerät und verfahren Pending EP4374404A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021210828.8A DE102021210828A1 (de) 2021-09-28 2021-09-28 Schutzschaltgerät und Verfahren
PCT/EP2022/075728 WO2023052146A1 (de) 2021-09-28 2022-09-16 Schutzschaltgerät und verfahren

Publications (1)

Publication Number Publication Date
EP4374404A1 true EP4374404A1 (de) 2024-05-29

Family

ID=83898171

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22790268.1A Pending EP4374404A1 (de) 2021-09-28 2022-09-16 Schutzschaltgerät und verfahren

Country Status (4)

Country Link
EP (1) EP4374404A1 (zh)
CN (1) CN118043925A (zh)
DE (1) DE102021210828A1 (zh)
WO (1) WO2023052146A1 (zh)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0570603B1 (de) 1992-05-12 1996-11-06 Siemens Aktiengesellschaft Eigensicherer Differenzstromschutzschalter
DE4432643B4 (de) 1994-09-14 2005-12-01 Aeg Niederspannungstechnik Gmbh & Co Kg Kontaktanordnung für einen Fehlerstromschutzschalter
US7400476B1 (en) 2003-12-10 2008-07-15 Hull Jr Vernon M Safety device for prevention of electrical shocks
JP2011010393A (ja) * 2009-06-23 2011-01-13 Panasonic Electric Works Co Ltd 直流用分岐回路保護装置
US11373831B2 (en) * 2019-05-18 2022-06-28 Amber Solutions, Inc. Intelligent circuit breakers
DE102019213604A1 (de) 2019-09-06 2021-03-11 Siemens Aktiengesellschaft Schutzschaltgerät, Schutzschaltsystem und Verfahren

Also Published As

Publication number Publication date
DE102021210828A1 (de) 2023-03-30
WO2023052146A1 (de) 2023-04-06
CN118043925A (zh) 2024-05-14

Similar Documents

Publication Publication Date Title
DE102015217108A1 (de) Niederspannungs-Leistungsschalter
EP4356410A1 (de) Schutzschaltgerät und verfahren
WO2023052148A1 (de) Schutzschaltgerät
EP4374404A1 (de) Schutzschaltgerät und verfahren
DE102021210820A1 (de) Schutzschaltgerät
DE102021210824A1 (de) Schutzschaltgerät und Verfahren
EP4377982A1 (de) Schutzschaltgerät und verfahren
EP4377984A1 (de) Schutzschaltgerät und verfahren
WO2024046836A1 (de) Schutzschaltgerät und verfahren
WO2024046850A1 (de) Schutzschaltgerät und verfahren
WO2023052188A1 (de) Schutzschaltgerät
WO2024046845A2 (de) Schutzschaltgerät und verfahren
EP4377983A1 (de) Schutzschaltgerät und verfahren
EP4367699A1 (de) Schutzschaltgerät und verfahren
WO2024046723A1 (de) Schutzschaltgerät und verfahren
WO2024046795A1 (de) Schutzschaltgerät und verfahren
WO2024094400A1 (de) Schutzschaltgerät und verfahren
EP4356409A1 (de) Schutzschaltgerät
EP4367700A1 (de) Schutzschaltgerät
WO2024046809A1 (de) Schutzschaltgerät und verfahren
DE102021210834A1 (de) Schutzschaltgerät und Verfahren
WO2024068267A1 (de) Schutzschaltgerät und verfahren
WO2024094399A1 (de) Schutzschaltgerät und verfahren

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20240220

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR