CH375427A - Overload protection for electrical systems with high overload sensitivity - Google Patents

Overload protection for electrical systems with high overload sensitivity

Info

Publication number
CH375427A
CH375427A CH7851759A CH7851759A CH375427A CH 375427 A CH375427 A CH 375427A CH 7851759 A CH7851759 A CH 7851759A CH 7851759 A CH7851759 A CH 7851759A CH 375427 A CH375427 A CH 375427A
Authority
CH
Switzerland
Prior art keywords
overload
sensitivity
electrical systems
protection
overload protection
Prior art date
Application number
CH7851759A
Other languages
German (de)
Inventor
Gradnitzer Ekkehard
Alfred Dipl Ing Lackner
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 CH375427A publication Critical patent/CH375427A/en

Links

Classifications

    • 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
    • H02H7/10—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 converters; for rectifiers
    • H02H7/12—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 converters; for rectifiers for static converters or rectifiers
    • H02H7/125—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 converters; for rectifiers for static converters or rectifiers for rectifiers
    • H02H7/1257—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 converters; for rectifiers for static converters or rectifiers for rectifiers responsive to short circuit or wrong polarity in output circuit
    • 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
    • H02H3/02—Details
    • H02H3/027—Details with automatic disconnection after a predetermined time
    • 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
    • H02H3/08—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 excess current
    • H02H3/093—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 excess current with timing means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
    • H04M1/745—Protection devices or circuits for voltages surges on the line

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Emergency Protection Circuit Devices (AREA)
CH7851759A 1958-09-30 1959-09-22 Overload protection for electrical systems with high overload sensitivity CH375427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES60098A DE1065068B (en) 1958-09-30 1958-09-30 Overload protection for electrical systems with high overload sensitivity

Publications (1)

Publication Number Publication Date
CH375427A true CH375427A (en) 1964-02-29

Family

ID=7493852

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7851759A CH375427A (en) 1958-09-30 1959-09-22 Overload protection for electrical systems with high overload sensitivity

Country Status (4)

Country Link
CH (1) CH375427A (en)
DE (1) DE1065068B (en)
FR (1) FR1244330A (en)
GB (1) GB909006A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1279820B (en) * 1965-08-19 1968-10-10 Licentia Gmbh Electronic activation, especially for overcurrent time relays

Also Published As

Publication number Publication date
GB909006A (en) 1962-10-24
DE1065068B (en) 1959-09-10
FR1244330A (en) 1960-10-28

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