US3731152A - Impedance distance relay - Google Patents
Impedance distance relay Download PDFInfo
- 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
- Authority
- US
- United States
- Prior art keywords
- magnitude
- omega
- derived
- effective
- quantities
- 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
Links
Images
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
- H02H3/40—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
Landscapes
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25666872A | 1972-05-25 | 1972-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3731152A true US3731152A (en) | 1973-05-01 |
Family
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
JP (1) | JPS4943140A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (21)
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)
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 |
-
1972
- 1972-05-25 US US00256668A patent/US3731152A/en not_active Expired - Lifetime
-
1973
- 1973-05-25 JP JP48057908A patent/JPS4943140A/ja active Pending
Patent Citations (2)
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)
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 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 |