CH358150A - Distance protection device through phase comparison of two voltages - Google Patents

Distance protection device through phase comparison of two voltages

Info

Publication number
CH358150A
CH358150A CH358150DA CH358150A CH 358150 A CH358150 A CH 358150A CH 358150D A CH358150D A CH 358150DA CH 358150 A CH358150 A CH 358150A
Authority
CH
Switzerland
Prior art keywords
voltages
protection device
phase comparison
distance protection
distance
Prior art date
Application number
Other languages
German (de)
Inventor
Georg Dr Ing Vafiadis
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of CH358150A publication Critical patent/CH358150A/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/185—Electrical failure alarms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Emergency Protection Circuit Devices (AREA)
CH358150D 1958-03-27 1958-03-27 Distance protection device through phase comparison of two voltages CH358150A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH877698X 1958-03-27

Publications (1)

Publication Number Publication Date
CH358150A true CH358150A (en) 1961-11-15

Family

ID=4544552

Family Applications (1)

Application Number Title Priority Date Filing Date
CH358150D CH358150A (en) 1958-03-27 1958-03-27 Distance protection device through phase comparison of two voltages

Country Status (4)

Country Link
CH (1) CH358150A (en)
DE (1) DE1049964B (en)
FR (1) FR1220201A (en)
GB (1) GB877698A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2748632A1 (en) * 1977-09-30 1979-04-05 Bbc Brown Boveri & Cie DISTANCE PROTECTION DEVICE FOR ELECTRIC CABLES

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1190660A (en) * 1957-12-02 1959-10-14 Cfcmug equipment for protection of electric power transmission lines
DE1116785B (en) * 1960-05-31 1961-11-09 Siemens Ag Half-wave selective protection
DE1130051B (en) * 1960-08-09 1962-05-24 Siemens Ag Fast distance protection
DE1148641B (en) * 1961-08-28 1963-05-16 Elektro App Werke Berlin Trept Circuit arrangement for the selective detection of transient earth faults
DE1265275B (en) * 1962-09-07 1968-04-04 Siemens Ag Frequency relay
DE1299355B (en) * 1964-03-20 1969-07-17 Siemens Ag Method and arrangement for detecting faults in electrical networks
DE1293312B (en) * 1964-12-09 1969-04-24 Siemens Ag Multipole direction relay
DE1280971B (en) * 1965-01-07 1968-10-24 Horst Bender Protection device for electrical networks or systems
DE1292726B (en) * 1965-08-30 1969-04-17 Licentia Gmbh Multi-stage electronic distance relay

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2748632A1 (en) * 1977-09-30 1979-04-05 Bbc Brown Boveri & Cie DISTANCE PROTECTION DEVICE FOR ELECTRIC CABLES

Also Published As

Publication number Publication date
GB877698A (en) 1961-09-20
DE1049964B (en) 1959-02-05
FR1220201A (en) 1960-05-23

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