BE596965A - Device for the selective measurement and breaking of earth faults in electrical installations, in particular in underground mining networks - Google Patents

Device for the selective measurement and breaking of earth faults in electrical installations, in particular in underground mining networks

Info

Publication number
BE596965A
BE596965A BE596965A BE596965A BE596965A BE 596965 A BE596965 A BE 596965A BE 596965 A BE596965 A BE 596965A BE 596965 A BE596965 A BE 596965A BE 596965 A BE596965 A BE 596965A
Authority
BE
Belgium
Prior art keywords
breaking
underground mining
electrical installations
earth faults
selective measurement
Prior art date
Application number
BE596965A
Other languages
French (fr)
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 BE596965A publication Critical patent/BE596965A/en

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
    • H02H3/38—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
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
BE596965A 1959-11-13 1960-11-10 Device for the selective measurement and breaking of earth faults in electrical installations, in particular in underground mining networks BE596965A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES65832A DE1100152B (en) 1959-11-13 1959-11-13 Arrangement for the selective measurement and disconnection of earth faults in electrical systems, especially in underground mine networks

Publications (1)

Publication Number Publication Date
BE596965A true BE596965A (en) 1961-03-01

Family

ID=7498341

Family Applications (1)

Application Number Title Priority Date Filing Date
BE596965A BE596965A (en) 1959-11-13 1960-11-10 Device for the selective measurement and breaking of earth faults in electrical installations, in particular in underground mining networks

Country Status (3)

Country Link
BE (1) BE596965A (en)
DE (1) DE1100152B (en)
GB (1) GB923292A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3343080A (en) * 1963-10-07 1967-09-19 Gen Electric Pulsing ground fault detector apparatus
US3356939A (en) * 1964-03-25 1967-12-05 Fed Pacific Electric Co Ground leakage detection apparatus for ungrounded systems including toroidal core detector means
US3735250A (en) * 1970-07-08 1973-05-22 Shibaura Electric Comp Fault detecting apparatus for a capacitor type potential divider having an amplifier
US4054832A (en) * 1975-10-21 1977-10-18 James G. Biddle Company System and method of measurement of insulation qualities of three-phase power equipment
GB2077531B (en) * 1980-06-04 1983-06-08 Evans Jacob Donald Fault detection in n-phase system
DE102011076877A1 (en) * 2011-06-01 2012-12-06 Siemens Aktiengesellschaft Adaptive line filter

Also Published As

Publication number Publication date
GB923292A (en) 1963-04-10
DE1100152B (en) 1961-02-23

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