US3731152A - Impedance distance relay - Google Patents

Impedance distance relay Download PDF

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Publication number
US3731152A
US3731152A US00256668A US3731152DA US3731152A US 3731152 A US3731152 A US 3731152A US 00256668 A US00256668 A US 00256668A US 3731152D A US3731152D A US 3731152DA US 3731152 A US3731152 A US 3731152A
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United States
Prior art keywords
magnitude
omega
derived
effective
quantities
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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
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US00256668A
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English (en)
Inventor
G Rockefeller
M Plains
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ABB Inc USA
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Westinghouse Electric Corp
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Assigned to ABB POWER T&D COMPANY, INC., A DE CORP. reassignment ABB POWER T&D COMPANY, INC., A DE CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: WESTINGHOUSE ELECTRIC CORPORATION, A CORP. OF PA.
Expired - Lifetime legal-status Critical Current

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    • 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
    • H02H3/40—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 ratio of voltage and current
    • 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

Definitions

  • ABSTRACT mine the magnitude of the impedance of the network energized by said sinusoidal quantities.
  • PATEN-TEUHAY 8 SHEET IN C! 1 9 AN AN-l AN-2 AN-3 I *1 MDT l L l l LATCH SIGNAL I k I QN- N-l QN-2 QN-3 1SN74

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  • Emergency Protection Circuit Devices (AREA)
US00256668A 1972-05-25 1972-05-25 Impedance distance relay Expired - Lifetime US3731152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25666872A 1972-05-25 1972-05-25

Publications (1)

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US3731152A true US3731152A (en) 1973-05-01

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ID=22973115

Family Applications (1)

Application Number Title Priority Date Filing Date
US00256668A Expired - Lifetime US3731152A (en) 1972-05-25 1972-05-25 Impedance distance relay

Country Status (2)

Country Link
US (1) US3731152A (enrdf_load_stackoverflow)
JP (1) JPS4943140A (enrdf_load_stackoverflow)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3885199A (en) * 1973-07-02 1975-05-20 Hitachi Ltd Protective relaying device
US3904859A (en) * 1972-09-29 1975-09-09 Siemens Ag Method and apparatus for measuring the impedance of a line
US3984737A (en) * 1973-12-07 1976-10-05 Hitachi, Ltd. Protective relaying system
US4079434A (en) * 1975-05-14 1978-03-14 Westinghouse Electric Corporation Out-of-step relay
US4107778A (en) * 1976-02-18 1978-08-15 Hitachi, Ltd. Digital fault-location calculation system
US4148087A (en) * 1977-04-20 1979-04-03 Phadke Arun G Distance relay for electric power transmission lines
US4212046A (en) * 1977-05-16 1980-07-08 Tokyo Shibaura Denki Kabushiki Kaisha Distance relaying systems
US4219858A (en) * 1978-12-20 1980-08-26 General Electric Company Overcurrent relay apparatus
US4237511A (en) * 1977-10-31 1980-12-02 Bbc Brown, Boveri & Co Ltd Selective protection process for electrical lines and device for carrying out the process
US4287547A (en) * 1978-08-29 1981-09-01 Bbc Brown, Boveri & Co. Ltd. Method and apparatus for fault and/or fault direction detection
US4321681A (en) * 1979-09-21 1982-03-23 Westinghouse Electric Corp. Protective relay apparatus
US4377833A (en) * 1981-08-17 1983-03-22 Electric Power Research Institute, Inc. Methods and apparatus for protecting electrical reactors
US4395671A (en) * 1979-06-20 1983-07-26 Emhart Industries, Inc. Control system and method for motor starting
US4455612A (en) * 1982-01-27 1984-06-19 Iowa State University Research Foundation, Inc. Recursive estimation in digital distance relaying system
US4625283A (en) * 1982-05-07 1986-11-25 Cooper Industries, Inc. Method and apparatus for digitally measuring alternating current
EP0224089A1 (en) * 1985-11-07 1987-06-03 Kabushiki Kaisha Toshiba Information data output device for electric-power systems
US5307061A (en) * 1991-09-19 1994-04-26 Nec Corporation Absolute value circuit
US6137666A (en) * 1999-01-21 2000-10-24 Abb Power T&D Company Inc. High speed, selective protective relays
US6879917B2 (en) 2002-06-14 2005-04-12 Progress Energy Carolinas Inc. Double-ended distance-to-fault location system using time-synchronized positive-or negative-sequence quantities
US20060104215A1 (en) * 2004-11-18 2006-05-18 Bomhoff Matthew D Apparatus and method to set the signaling rate of a network disposed within an information storage and retrieval system
US20100053829A1 (en) * 2006-10-13 2010-03-04 Abb Technology Ag Faulted Phase Decision Method Between Current And Voltage Based Delta Phase Selectors

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569785A (en) * 1968-07-09 1971-03-09 Ibm Power system protective relaying by time-coordinated sampling and calculation
US3654516A (en) * 1971-04-07 1972-04-04 Westinghouse Electric Corp Change of current or voltage acutated protecting relay

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569785A (en) * 1968-07-09 1971-03-09 Ibm Power system protective relaying by time-coordinated sampling and calculation
US3654516A (en) * 1971-04-07 1972-04-04 Westinghouse Electric Corp Change of current or voltage acutated protecting relay

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904859A (en) * 1972-09-29 1975-09-09 Siemens Ag Method and apparatus for measuring the impedance of a line
US3885199A (en) * 1973-07-02 1975-05-20 Hitachi Ltd Protective relaying device
US3984737A (en) * 1973-12-07 1976-10-05 Hitachi, Ltd. Protective relaying system
US4079434A (en) * 1975-05-14 1978-03-14 Westinghouse Electric Corporation Out-of-step relay
US4107778A (en) * 1976-02-18 1978-08-15 Hitachi, Ltd. Digital fault-location calculation system
US4148087A (en) * 1977-04-20 1979-04-03 Phadke Arun G Distance relay for electric power transmission lines
US4212046A (en) * 1977-05-16 1980-07-08 Tokyo Shibaura Denki Kabushiki Kaisha Distance relaying systems
US4237511A (en) * 1977-10-31 1980-12-02 Bbc Brown, Boveri & Co Ltd Selective protection process for electrical lines and device for carrying out the process
US4287547A (en) * 1978-08-29 1981-09-01 Bbc Brown, Boveri & Co. Ltd. Method and apparatus for fault and/or fault direction detection
US4219858A (en) * 1978-12-20 1980-08-26 General Electric Company Overcurrent relay apparatus
US4395671A (en) * 1979-06-20 1983-07-26 Emhart Industries, Inc. Control system and method for motor starting
US4321681A (en) * 1979-09-21 1982-03-23 Westinghouse Electric Corp. Protective relay apparatus
US4377833A (en) * 1981-08-17 1983-03-22 Electric Power Research Institute, Inc. Methods and apparatus for protecting electrical reactors
US4455612A (en) * 1982-01-27 1984-06-19 Iowa State University Research Foundation, Inc. Recursive estimation in digital distance relaying system
US4625283A (en) * 1982-05-07 1986-11-25 Cooper Industries, Inc. Method and apparatus for digitally measuring alternating current
EP0224089A1 (en) * 1985-11-07 1987-06-03 Kabushiki Kaisha Toshiba Information data output device for electric-power systems
US4803635A (en) * 1985-11-07 1989-02-07 Kabushi Kaisha Toshiba Information data output device for electric-power systems
US5307061A (en) * 1991-09-19 1994-04-26 Nec Corporation Absolute value circuit
US6137666A (en) * 1999-01-21 2000-10-24 Abb Power T&D Company Inc. High speed, selective protective relays
US6879917B2 (en) 2002-06-14 2005-04-12 Progress Energy Carolinas Inc. Double-ended distance-to-fault location system using time-synchronized positive-or negative-sequence quantities
US20060104215A1 (en) * 2004-11-18 2006-05-18 Bomhoff Matthew D Apparatus and method to set the signaling rate of a network disposed within an information storage and retrieval system
US7423964B2 (en) * 2004-11-18 2008-09-09 International Business Machines Corporation Apparatus and method to set the signaling rate of a network disposed within an information storage and retrieval system
US20080304489A1 (en) * 2004-11-18 2008-12-11 International Business Machines Corporation Apparatus and method to set the signaling rate of a network disposed within an information storage and retrieval system
US7974189B2 (en) 2004-11-18 2011-07-05 International Business Machines Corporation Apparatus and method to set the signaling rate of a network disposed within an information storage and retrieval system
US20100053829A1 (en) * 2006-10-13 2010-03-04 Abb Technology Ag Faulted Phase Decision Method Between Current And Voltage Based Delta Phase Selectors
US8045307B2 (en) * 2006-10-13 2011-10-25 Abb Technology Ag Faulted phase decision method between current and voltage based delta phase selectors

Also Published As

Publication number Publication date
JPS4943140A (enrdf_load_stackoverflow) 1974-04-23

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Legal Events

Date Code Title Description
AS Assignment

Owner name: ABB POWER T&D COMPANY, INC., A DE CORP., PENNSYLV

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:WESTINGHOUSE ELECTRIC CORPORATION, A CORP. OF PA.;REEL/FRAME:005368/0692

Effective date: 19891229