ZA811643B - Circuit interrupter with digital trip unit and opticallycoupled data input/output system - Google Patents

Circuit interrupter with digital trip unit and opticallycoupled data input/output system

Info

Publication number
ZA811643B
ZA811643B ZA00811643A ZA811643A ZA811643B ZA 811643 B ZA811643 B ZA 811643B ZA 00811643 A ZA00811643 A ZA 00811643A ZA 811643 A ZA811643 A ZA 811643A ZA 811643 B ZA811643 B ZA 811643B
Authority
ZA
South Africa
Prior art keywords
opticallycoupled
data input
output system
circuit interrupter
trip unit
Prior art date
Application number
ZA00811643A
Other languages
English (en)
Inventor
Engel Joseph Charles
Joseph Charles Engel
Wafer John Anthony
John Anthony Wafer
Wilson John Thomas
John Thomas Wilson
Elms Robert Tracy
Robert Tracy Elms
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 ZA811643B publication Critical patent/ZA811643B/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
    • H02H1/0069—Details of emergency protective circuit arrangements concerning transmission of signals by means of light or heat rays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Emergency Protection Circuit Devices (AREA)
ZA00811643A 1980-04-15 1981-03-12 Circuit interrupter with digital trip unit and opticallycoupled data input/output system ZA811643B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/140,627 US4338647A (en) 1980-04-15 1980-04-15 Circuit interrupter with digital trip unit and optically-coupled data input/output system

Publications (1)

Publication Number Publication Date
ZA811643B true ZA811643B (en) 1982-09-29

Family

ID=22492101

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00811643A ZA811643B (en) 1980-04-15 1981-03-12 Circuit interrupter with digital trip unit and opticallycoupled data input/output system

Country Status (11)

Country Link
US (1) US4338647A (xx)
JP (1) JPS56159925A (xx)
AU (1) AU548021B2 (xx)
CA (1) CA1149923A (xx)
CH (1) CH659730A5 (xx)
DE (1) DE3114544A1 (xx)
FR (1) FR2480516B1 (xx)
GB (1) GB2073971B (xx)
IT (1) IT1137134B (xx)
NZ (1) NZ196523A (xx)
ZA (1) ZA811643B (xx)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535409A (en) * 1981-09-18 1985-08-13 Mcgraw-Edison Company Microprocessor based recloser control
US4445183A (en) * 1981-12-23 1984-04-24 Rockwell International Corporation Electrical switch
US4626954A (en) * 1984-09-06 1986-12-02 Eaton Corporation Solid state power controller with overload protection
US4631625A (en) * 1984-09-27 1986-12-23 Siemens Energy & Automation, Inc. Microprocessor controlled circuit breaker trip unit
US4747994A (en) * 1985-10-18 1988-05-31 Westinghouse Electric Corp. Reactor trip control with voltage sensing
US4827369A (en) * 1987-02-20 1989-05-02 Westinghouse Electric Corp. Circuit interrupter apparatus with a selectable display means
EP0374293A1 (de) * 1988-12-22 1990-06-27 Siemens Aktiengesellschaft Ausgabeschaltungsanordnung
US5136457A (en) * 1989-08-31 1992-08-04 Square D Company Processor controlled circuit breaker trip system having an intelligent rating plug
US5089928A (en) * 1989-08-31 1992-02-18 Square D Company Processor controlled circuit breaker trip system having reliable status display
US5162664A (en) * 1989-08-31 1992-11-10 Square D Company Communications arrangement for an electronic circuit breaker trip system
US5136458A (en) * 1989-08-31 1992-08-04 Square D Company Microcomputer based electronic trip system for circuit breakers
US5038246A (en) * 1989-08-31 1991-08-06 Square D Company Fault powered, processor controlled circuit breaker trip system having reliable tripping operation
JPH03210726A (ja) * 1990-01-12 1991-09-13 Mitsubishi Electric Corp 漏電警報機能付き配線用遮断器
US5455760A (en) * 1991-06-28 1995-10-03 Square D Company Computer-controlled circuit breaker arrangement with circuit breaker having identification circuit
US5592259A (en) * 1991-08-09 1997-01-07 Nikon Corporation Photomask, an exposure method and a projection exposure apparatus
US5821876A (en) * 1991-10-08 1998-10-13 Square D Company Communication interface for bus connected circuit breakers
US5471359A (en) * 1993-02-25 1995-11-28 Impco Inc. Polyphase current monitor and control system
US5581433A (en) * 1994-04-22 1996-12-03 Unitrode Corporation Electronic circuit breaker
JP3403271B2 (ja) * 1995-08-02 2003-05-06 オムロン株式会社 漏電防止装置およびジェットバスコントローラ
US5796636A (en) * 1996-07-12 1998-08-18 Andrews; Lowell B. Apparatus for and method of testing an electrical ground fault circuit interrupt device
US6250936B1 (en) * 1998-08-05 2001-06-26 Cisco Technology, Inc. Single-port connection and circuitry accepting both balanced and unbalanced data signals
US10304575B2 (en) * 2013-12-26 2019-05-28 Nuscale Power, Llc Actuating a nuclear reactor safety device
CN107707227B (zh) * 2016-08-03 2023-09-05 博世力士乐(西安)电子传动与控制有限公司 光学编码器信号输入电路和包含该电路的变频器
PL3563387T3 (pl) 2016-12-30 2022-06-27 Nuscale Power, Llc Układ tłumienia pręta sterowniczego
US10522996B2 (en) 2018-04-23 2019-12-31 Richard W. Sorenson Electronic circuit breaker with physical open-contact construction and fail-safe protection
US10290448B1 (en) 2018-04-23 2019-05-14 Richard W. Sorenson Electronic circuit breaker with physical open-contact construction and fail-safe protection
US10340678B1 (en) 2018-04-23 2019-07-02 Richard W. Sorenson Electronic circuit breaker with physical open-contact construction and fail-safe protection
US10504677B1 (en) 2019-02-21 2019-12-10 Richard W. Sorenson Electronic circuit breaker with physical open-contact construction and fail-safe protection with disabling feature

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842249A (en) * 1971-10-19 1974-10-15 Westinghouse Electric Corp Electrical system with programmed computer control and manually initiated control means
US3818275A (en) * 1973-01-30 1974-06-18 Westinghouse Electric Corp Circuit interrupter including improved trip circuit using current transformers
US3956670A (en) * 1973-01-30 1976-05-11 Westinghouse Electric Corporation Circuit interrupter circuit including improved control
JPS5535728B2 (xx) * 1973-06-11 1980-09-16
US3925709A (en) * 1973-08-13 1975-12-09 Westinghouse Electric Corp Overcurrent protection circuit for AC systems
US3964020A (en) * 1975-03-06 1976-06-15 Hughes Aircraft Company High voltage system with self-test circuitry
JPS51133695A (en) * 1975-05-15 1976-11-19 Nippon Atom Ind Group Co Ltd Process for treating the off-gas discharged from the nuclear power fac ility
US4161027A (en) * 1976-10-04 1979-07-10 Electric Power Research Institute, Inc. Digital protection system for transmission lines and associated power equipment
US4077061A (en) * 1977-03-25 1978-02-28 Westinghouse Electric Corporation Digital processing and calculating AC electric energy metering system
JPS545477U (xx) * 1977-06-14 1979-01-13
ES468764A1 (es) * 1978-04-13 1979-10-01 Arteche Instr Sistemas Ÿnueva proteccion electrica con tiempo de retardo dependien-te de una magnitud reguladaŸ
DE2824789C2 (de) * 1978-06-06 1980-07-31 Siemens Ag, 1000 Berlin Und 8000 Muenchen Meßschaltung für eine elektrische Steuer-, Regel- und/oder Schutzeinrichtung mit einer gesondert stromversorgten elektronischen Auswerteschaltung
US4219858A (en) * 1978-12-20 1980-08-26 General Electric Company Overcurrent relay apparatus
US4245318A (en) * 1979-05-07 1981-01-13 General Electric Company Circuit breaker demonstrator and distribution circuit protection coordinator apparatus

Also Published As

Publication number Publication date
IT1137134B (it) 1986-09-03
DE3114544C2 (xx) 1992-07-30
GB2073971A (en) 1981-10-21
DE3114544A1 (de) 1982-01-28
CH659730A5 (de) 1987-02-13
FR2480516B1 (xx) 1988-07-15
US4338647A (en) 1982-07-06
FR2480516A1 (xx) 1981-10-16
AU548021B2 (en) 1985-11-21
AU6844081A (en) 1981-10-22
JPH0363293B2 (xx) 1991-09-30
NZ196523A (en) 1985-02-28
CA1149923A (en) 1983-07-12
IT8121169A0 (it) 1981-04-14
JPS56159925A (en) 1981-12-09
GB2073971B (en) 1984-01-04

Similar Documents

Publication Publication Date Title
ZA811643B (en) Circuit interrupter with digital trip unit and opticallycoupled data input/output system
AU537268B2 (en) Circuit interrupter with digital trip unit and style designator circuit
AU544733B2 (en) Circuit interrupter with digital trip unit and power supply
DE3165404D1 (en) An output buffer circuit
ZA811892B (en) Circuit interrupter with digital trip unit and means to enter trip settings
JPS5797792A (en) Digital signal subscriber line and interface circuit
PH17216A (en) Circuit interrupter with digital trip unit and potentiometers for parameter entry
DE3162886D1 (en) Digital distributed-arithmetic processing circuit using multiplexers at the input of a memory
PH18371A (en) Circuit interrupter with solid state digital trip unit and positive power-up reature
GB2080658B (en) Input data synchronizing circuit
PT73850B (en) Circuit and digital telephone line circuits system
EP0162932A3 (en) Data processing system with output switching circuit
GB2110483B (en) Circuit for converting an input d c voltage into an output d c voltage
DE3161901D1 (en) Digital data switching device
GB2085268B (en) Digital signal processing circuit
DE3264078D1 (en) Circuit for converting an input d.c. voltage into an output d.c. voltage
DE3377963D1 (en) Signal input circuit
GB2074414B (en) Circuit for providing an input function and an output at a single terminal
JPS5729110A (en) Data input and output device
JPS57201995A (en) Input protection circuit
AU561059B2 (en) Input converting circuit
GB2073976B (en) Circuit interrupter with digital trip unit
JPS57119611A (en) Input data tripping device
JPS56150917A (en) Input circuit for digital protection relay
GB2119207B (en) Computer input/output circuit