SE7601298L - Tiduppdelningsmultiplexsystem for ett segregerat fasjemforelserelesystem - Google Patents

Tiduppdelningsmultiplexsystem for ett segregerat fasjemforelserelesystem

Info

Publication number
SE7601298L
SE7601298L SE7601298A SE7601298A SE7601298L SE 7601298 L SE7601298 L SE 7601298L SE 7601298 A SE7601298 A SE 7601298A SE 7601298 A SE7601298 A SE 7601298A SE 7601298 L SE7601298 L SE 7601298L
Authority
SE
Sweden
Prior art keywords
fashemory
segregated
time division
division multiplex
relationship
Prior art date
Application number
SE7601298A
Other languages
English (en)
Other versions
SE404109B (sv
Inventor
J C Gambale
R E Ray
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 SE7601298L publication Critical patent/SE7601298L/sv
Publication of SE404109B publication Critical patent/SE404109B/sv

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261Sectionalised 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
    • H02H7/262Sectionalised 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency 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
    • H02H3/28Emergency 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
    • H02H3/30Emergency 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)
SE7601298A 1975-02-07 1976-02-06 Releapparat for att skydda en ledningssektion av ett trefaskraftledningsnet SE404109B (sv)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE7601298L true SE7601298L (sv) 1976-08-09
SE404109B SE404109B (sv) 1978-09-18

Family

ID=24187555

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7601298A SE404109B (sv) 1975-02-07 1976-02-06 Releapparat for att skydda en ledningssektion av ett trefaskraftledningsnet

Country Status (11)

Country Link
JP (1) JPS51103242A (sv)
AR (1) AR212018A1 (sv)
AU (1) AU503606B2 (sv)
BR (1) BR7600683A (sv)
DE (1) DE2604313A1 (sv)
ES (1) ES444972A1 (sv)
FR (1) FR2300449A1 (sv)
GB (1) GB1501351A (sv)
IN (1) IN145194B (sv)
IT (1) IT1056690B (sv)
SE (1) SE404109B (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1130383A (en) 1977-11-14 1982-08-24 Tobias D. Schonken Method and apparatus for monitoring poly-phase currents in poly-phase equipment
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
EP3186646B1 (en) 2014-08-29 2021-10-20 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
FR2300449A1 (fr) 1976-09-03
BR7600683A (pt) 1976-08-31
GB1501351A (en) 1978-02-15
AU503606B2 (en) 1979-09-13
JPS51103242A (sv) 1976-09-11
AU1053276A (en) 1977-07-28
IT1056690B (it) 1982-02-20
AR212018A1 (es) 1978-04-28
DE2604313A1 (de) 1976-08-19
SE404109B (sv) 1978-09-18
IN145194B (sv) 1978-09-09
FR2300449B1 (sv) 1982-04-02
ES444972A1 (es) 1977-05-01

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