DE9404335U1 - Device for overload detection of an electric AC or three-phase motor - Google Patents

Device for overload detection of an electric AC or three-phase motor

Info

Publication number
DE9404335U1
DE9404335U1 DE9404335U DE9404335U DE9404335U1 DE 9404335 U1 DE9404335 U1 DE 9404335U1 DE 9404335 U DE9404335 U DE 9404335U DE 9404335 U DE9404335 U DE 9404335U DE 9404335 U1 DE9404335 U1 DE 9404335U1
Authority
DE
Germany
Prior art keywords
electric
phase motor
overload detection
overload
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.)
Expired - Lifetime
Application number
DE9404335U
Other languages
German (de)
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.)
G J BOHNENSTIEL GmbH
Original Assignee
G J BOHNENSTIEL 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 G J BOHNENSTIEL GmbH filed Critical G J BOHNENSTIEL GmbH
Priority to DE9404335U priority Critical patent/DE9404335U1/en
Publication of DE9404335U1 publication Critical patent/DE9404335U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • 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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
DE9404335U 1994-03-15 1994-03-15 Device for overload detection of an electric AC or three-phase motor Expired - Lifetime DE9404335U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9404335U DE9404335U1 (en) 1994-03-15 1994-03-15 Device for overload detection of an electric AC or three-phase motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9404335U DE9404335U1 (en) 1994-03-15 1994-03-15 Device for overload detection of an electric AC or three-phase motor

Publications (1)

Publication Number Publication Date
DE9404335U1 true DE9404335U1 (en) 1994-08-25

Family

ID=6905969

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9404335U Expired - Lifetime DE9404335U1 (en) 1994-03-15 1994-03-15 Device for overload detection of an electric AC or three-phase motor

Country Status (1)

Country Link
DE (1) DE9404335U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0720269A1 (en) * 1994-12-29 1996-07-03 PLUMER (Société Anonyme) Stop control device for single-phase asynchronous motor with capacitor
EP0827251A2 (en) * 1996-08-30 1998-03-04 ABBPATENT GmbH Electrical low voltage switchgear

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0720269A1 (en) * 1994-12-29 1996-07-03 PLUMER (Société Anonyme) Stop control device for single-phase asynchronous motor with capacitor
EP0720268A1 (en) * 1994-12-29 1996-07-03 PLUMER (Société Anonyme) Stop control device for single-phase asynchronous motor with capacitor
EP0827251A2 (en) * 1996-08-30 1998-03-04 ABBPATENT GmbH Electrical low voltage switchgear
EP0827251A3 (en) * 1996-08-30 1999-04-21 ABBPATENT GmbH Electrical low voltage switchgear

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