DE112021007516A5 - Method for fault detection in a relay - Google Patents

Method for fault detection in a relay Download PDF

Info

Publication number
DE112021007516A5
DE112021007516A5 DE112021007516.0T DE112021007516T DE112021007516A5 DE 112021007516 A5 DE112021007516 A5 DE 112021007516A5 DE 112021007516 T DE112021007516 T DE 112021007516T DE 112021007516 A5 DE112021007516 A5 DE 112021007516A5
Authority
DE
Germany
Prior art keywords
relay
fault detection
fault
detection
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
DE112021007516.0T
Other languages
German (de)
Inventor
Jörg Laubsch
Daniel Weihermüller
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.)
Wieland Electric GmbH
Original Assignee
Wieland Electric GmbH
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 Wieland Electric GmbH filed Critical Wieland Electric GmbH
Publication of DE112021007516A5 publication Critical patent/DE112021007516A5/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
    • G01R31/3275—Fault detection or status indication
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • H01H47/004—Monitoring or fail-safe circuits using plural redundant serial connected relay operated contacts in controlled circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • H01H2047/003—Detecting welded contacts and applying weld break pulses to coil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H2047/008—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current with a drop in current upon closure of armature or change of inductance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
DE112021007516.0T 2021-04-16 2021-04-16 Method for fault detection in a relay Pending DE112021007516A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2021/059999 WO2022218553A1 (en) 2021-04-16 2021-04-16 Method for detecting a fault in a relay

Publications (1)

Publication Number Publication Date
DE112021007516A5 true DE112021007516A5 (en) 2024-04-04

Family

ID=75588219

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112021007516.0T Pending DE112021007516A5 (en) 2021-04-16 2021-04-16 Method for fault detection in a relay

Country Status (2)

Country Link
DE (1) DE112021007516A5 (en)
WO (1) WO2022218553A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008064694A1 (en) * 2006-11-28 2008-06-05 Daimler Ag Method for detecting the operability of an electric relay and device for performing said method
DE102011083481A1 (en) * 2011-06-16 2012-12-20 Robert Bosch Gmbh Method for evaluating operability of magnetic valve utilized for e.g. dosing fuel for combustion in combustion engine of motor car, involves comparing magnitude representing detected current flow with magnitude representing defect flow
DE102016200118A1 (en) * 2016-01-08 2017-07-13 Continental Teves Ag & Co. Ohg Method for determining the opening flow of an analog controlled valve and pressure control device
FR3060758B1 (en) * 2016-12-16 2021-01-08 Schneider Electric Ind Sas METHOD AND DEVICE FOR DIAGNOSING THE WEAR OF AN ELECTRIC SWITCHING APPARATUS, AND ELECTRICAL APPARATUS INCLUDING SUCH A DEVICE

Also Published As

Publication number Publication date
WO2022218553A1 (en) 2022-10-20

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Legal Events

Date Code Title Description
R012 Request for examination validly filed