GB736811A - Electrical remote control system - Google Patents

Electrical remote control system

Info

Publication number
GB736811A
GB736811A GB2810652A GB2810652A GB736811A GB 736811 A GB736811 A GB 736811A GB 2810652 A GB2810652 A GB 2810652A GB 2810652 A GB2810652 A GB 2810652A GB 736811 A GB736811 A GB 736811A
Authority
GB
United Kingdom
Prior art keywords
signal
relays
circuit
contact
signals
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
GB2810652A
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.)
BERNARD WALTER POPE
General Electric Co PLC
Original Assignee
BERNARD WALTER POPE
General Electric Co PLC
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 BERNARD WALTER POPE, General Electric Co PLC filed Critical BERNARD WALTER POPE
Priority to GB2810652A priority Critical patent/GB736811A/en
Publication of GB736811A publication Critical patent/GB736811A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Keying Circuit Devices (AREA)

Abstract

736,811. Protective cut-out systems. GENERAL ELECTRIC CO., Ltd., and POPE, B. W. Oct. 27, 1953 [Nov. 7, 1952], No. 28106/52. Class 38 (5). In an inter-trip system for circuit-breakers in which signals are transmitted either over pilot wires 1, 2 or power lines between two stations, a signal of a first frequency from a source 10, 11, Fig. 1, at the first station is transmitted continuously and on tripping of a circuit-breaker, contacts CB close to operate a relay T. Changing over of contact T1 releases relays TA, TB, TC. Relay TA has a predetermined release time and before this time elapses contact TB1 cuts off the signal from 10, 11 and contact TC1 cuts in a signal of a second frequency from a source 12, 13. On release of TA, the second signal is cut-off and the first one restored by, the re-energization of relays TB, TC over TA1. At the second station, Fig. 2, relays RA, RB are provided which are responsive. to the two signals respectively, and on receipt of the correct sequence of signals a train of relays (not shown) is operated to trip a circuit-breaker. Should the signal be in. correct or the pilot wires fail, an alarm is operated.
GB2810652A 1952-11-07 1952-11-07 Electrical remote control system Expired GB736811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2810652A GB736811A (en) 1952-11-07 1952-11-07 Electrical remote control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2810652A GB736811A (en) 1952-11-07 1952-11-07 Electrical remote control system

Publications (1)

Publication Number Publication Date
GB736811A true GB736811A (en) 1955-09-14

Family

ID=10270368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2810652A Expired GB736811A (en) 1952-11-07 1952-11-07 Electrical remote control system

Country Status (1)

Country Link
GB (1) GB736811A (en)

Similar Documents

Publication Publication Date Title
ES8308144A1 (en) Contactor device with means for automatically breaking power circuits and with a local operating device.
GB227930A (en) Improvements in or relating to electric protective arrangements
US3710189A (en) Time delay signal device especially for phase comparison protective relaying system
GB736811A (en) Electrical remote control system
GB1090862A (en) Electrical protective relays
GB1438192A (en) Breaker failure relay device
GB1137196A (en) Improvements in or relating to video telephone sets
GB496422A (en) An improved method of and apparatus for the selective remote control of operations
GB493244A (en) Improvements in thermally actuated switches, relays and apparatus for fire detectionand like purposes
GB583567A (en) Arrangement for selective protection of electric lines
US2556682A (en) Remote-control system
GB386033A (en) Improvements in and relating to protective systems for electric circuits
US2338706A (en) Signaling system
GB307515A (en) Improvements in electric supervisory arrangements for remote control systems
GB1145857A (en) Improvements in or relating to electrical circuit breakers
GB758546A (en) Improvements in or relating to radio station apparatus
GB576998A (en) Improvements in arrangements for preventing false switching operations with lines provided with electric short-circuit protective devices
JPS5510266A (en) Controller
GB852633A (en) Improvements in or relating to electric alarm arrangements
GB621197A (en) Improvements in and relating to automatic reclosing electric circuit breaker systems
GB222164A (en) Improvements in signalling systems
GB705390A (en) Improvements relating to fault-indicating apparatus
GB688594A (en) Improvements in selective electric protection systems
GB625298A (en) Automatic change-over relay system for supplying current from a spare current sourceupon the failure of current supplied from a main current source
GB697140A (en) Improvements in electrical systems of remote supervision