AU503606B2 - Protective relaying system for polyphase power transmission network - Google Patents

Protective relaying system for polyphase power transmission network

Info

Publication number
AU503606B2
AU503606B2 AU10532/76A AU1053276A AU503606B2 AU 503606 B2 AU503606 B2 AU 503606B2 AU 10532/76 A AU10532/76 A AU 10532/76A AU 1053276 A AU1053276 A AU 1053276A AU 503606 B2 AU503606 B2 AU 503606B2
Authority
AU
Australia
Prior art keywords
power transmission
transmission network
protective relaying
polyphase power
relaying system
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
Application number
AU10532/76A
Other languages
English (en)
Other versions
AU1053276A (en
Inventor
J. C. & Ray R. E Gamble
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of AU1053276A publication Critical patent/AU1053276A/en
Application granted granted Critical
Publication of AU503606B2 publication Critical patent/AU503606B2/en
Expired legal-status Critical Current

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
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
    • 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
    • H02H3/28—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/30—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Time-Division Multiplex Systems (AREA)
AU10532/76A 1975-02-07 1976-01-23 Protective relaying system for polyphase power transmission network Expired AU503606B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54813275A 1975-02-07 1975-02-07
USUS548132 1975-02-07

Publications (2)

Publication Number Publication Date
AU1053276A AU1053276A (en) 1977-07-28
AU503606B2 true AU503606B2 (en) 1979-09-13

Family

ID=24187555

Family Applications (1)

Application Number Title Priority Date Filing Date
AU10532/76A Expired AU503606B2 (en) 1975-02-07 1976-01-23 Protective relaying system for polyphase power transmission network

Country Status (11)

Country Link
JP (1) JPS51103242A (US20020051482A1-20020502-M00012.png)
AR (1) AR212018A1 (US20020051482A1-20020502-M00012.png)
AU (1) AU503606B2 (US20020051482A1-20020502-M00012.png)
BR (1) BR7600683A (US20020051482A1-20020502-M00012.png)
DE (1) DE2604313A1 (US20020051482A1-20020502-M00012.png)
ES (1) ES444972A1 (US20020051482A1-20020502-M00012.png)
FR (1) FR2300449A1 (US20020051482A1-20020502-M00012.png)
GB (1) GB1501351A (US20020051482A1-20020502-M00012.png)
IN (1) IN145194B (US20020051482A1-20020502-M00012.png)
IT (1) IT1056690B (US20020051482A1-20020502-M00012.png)
SE (1) SE404109B (US20020051482A1-20020502-M00012.png)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135486A (en) * 1983-02-18 1984-08-30 Png Prod Ltd Methods of remote-control using T.D.M. systems and apparatus utilising said methods
JPH02223228A (ja) * 1988-12-06 1990-09-05 General Electric Co <Ge> 通信装置及び方法
US7714735B2 (en) 2005-09-13 2010-05-11 Daniel Rockwell Monitoring electrical assets for fault and efficiency correction
US20130054162A1 (en) 2011-08-31 2013-02-28 Tollgrade Communications, Inc. Methods and apparatus for determining conditions of power lines
EP2815479B1 (en) 2012-02-14 2017-01-04 Tollgrade Communications, Inc. Power line management system
CA2944440C (en) 2014-03-31 2022-10-25 Tollgrade Communication, Inc. Optical voltage sensing for underground medium voltage wires
US10203355B2 (en) 2014-08-29 2019-02-12 Aclara Technologies Llc Power extraction for a medium voltage sensor using a capacitive voltage divider

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390233A (en) * 1965-01-08 1968-06-25 Sangamo Electric Co Digital unambiguous control of circuit interrupter means
US3696210A (en) * 1970-08-06 1972-10-03 Motorola Inc Data transferring system utilizing a monitor channel and logic circuitry to assure secure data communication
US3893008A (en) * 1972-10-04 1975-07-01 Westinghouse Electric Corp Segregated phase comparison relaying apparatus
US3832601A (en) * 1973-08-09 1974-08-27 Westinghouse Electric Corp Phase comparison relaying apparatus with two-count by-pass circuit

Also Published As

Publication number Publication date
BR7600683A (pt) 1976-08-31
ES444972A1 (es) 1977-05-01
SE404109B (sv) 1978-09-18
DE2604313A1 (de) 1976-08-19
AU1053276A (en) 1977-07-28
JPS51103242A (US20020051482A1-20020502-M00012.png) 1976-09-11
SE7601298L (sv) 1976-08-09
IT1056690B (it) 1982-02-20
AR212018A1 (es) 1978-04-28
FR2300449B1 (US20020051482A1-20020502-M00012.png) 1982-04-02
FR2300449A1 (fr) 1976-09-03
IN145194B (US20020051482A1-20020502-M00012.png) 1978-09-09
GB1501351A (en) 1978-02-15

Similar Documents

Publication Publication Date Title
JPS5271917A (en) Polyphase power distribution network power line carrierfrequency communication system
JPS5249715A (en) Power line communication system
GB1556819A (en) Bidirectional communication system for electrical power networks
GB2062420B (en) Electrical communications system
JPS5597115A (en) Repeater for electric cable
JPS5246711A (en) Power line carrierfrequency communication system
GB2021304A (en) Insulation system for conductors
AU522990B2 (en) Protective relaying system
JPS5236407A (en) Power line carrierfrequency communication system
AU537200B2 (en) Communications system
AU503607B2 (en) Three-phase power transmission network protection
JPS54119693A (en) Arrester for aerial power line
CA1032624A (en) Spacer for aerial cables
IE800084L (en) Communications system
GB1556447A (en) Gas-insulated transmission line
AU503606B2 (en) Protective relaying system for polyphase power transmission network
AU525090B2 (en) Radiotelephone communications system
AU503423B2 (en) Bus-bar junction box
AU503928B2 (en) Protective relay for potter transmission system
GB2040644B (en) Line repeaters for radiotelephone systems
JPS52120394A (en) Interphase spacer for aerial transmission line
AU520886B2 (en) Enclosed switchboards j
AU500236B2 (en) Equipment for visual communication
GB2063625B (en) Communications system
AU502834B2 (en) Transmission line fault locator