[go: up one dir, main page]

IE52772B1 - Solid state load protection system having electronic simulation of motor heating - Google Patents

Solid state load protection system having electronic simulation of motor heating

Info

Publication number
IE52772B1
IE52772B1 IE835/82A IE83582A IE52772B1 IE 52772 B1 IE52772 B1 IE 52772B1 IE 835/82 A IE835/82 A IE 835/82A IE 83582 A IE83582 A IE 83582A IE 52772 B1 IE52772 B1 IE 52772B1
Authority
IE
Ireland
Prior art keywords
load
voltage
terminal
current
trip
Prior art date
Application number
IE835/82A
Other languages
English (en)
Other versions
IE820835L (en
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 IE820835L publication Critical patent/IE820835L/xx
Publication of IE52772B1 publication Critical patent/IE52772B1/en

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H6/00Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Generators And Motors (AREA)
IE835/82A 1981-04-27 1982-04-07 Solid state load protection system having electronic simulation of motor heating IE52772B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25809281A 1981-04-27 1981-04-27

Publications (2)

Publication Number Publication Date
IE820835L IE820835L (en) 1982-10-27
IE52772B1 true IE52772B1 (en) 1988-02-17

Family

ID=22979069

Family Applications (1)

Application Number Title Priority Date Filing Date
IE835/82A IE52772B1 (en) 1981-04-27 1982-04-07 Solid state load protection system having electronic simulation of motor heating

Country Status (12)

Country Link
JP (1) JPS57183214A (pt)
AU (1) AU560789B2 (pt)
BE (1) BE892997A (pt)
BR (1) BR8202362A (pt)
CA (1) CA1187591A (pt)
CH (1) CH658756A5 (pt)
DE (1) DE3215180A1 (pt)
ES (1) ES8306930A1 (pt)
FR (1) FR2504748B1 (pt)
GB (1) GB2097615B (pt)
IE (1) IE52772B1 (pt)
ZA (1) ZA822618B (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3730829C2 (de) * 1987-09-14 1997-02-06 Siemens Ag Überlastschutz für den Erregerkreis einer Synchronmaschine
AU612195B2 (en) * 1987-11-11 1991-07-04 Dega Research Pty. Ltd. Method and apparatus for protecting a pump motor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1407271A (fr) * 1964-06-20 1965-07-30 Electronique Et D Automatique Dispositif de protection des circuits électriques
US3875464A (en) * 1973-10-10 1975-04-01 Westinghouse Electric Corp Solid state overload relay
FR2432211A1 (fr) * 1978-07-24 1980-02-22 Simplex Appareils Declencheur a " phases associees " pour disjoncteur de protection de transformateur

Also Published As

Publication number Publication date
GB2097615A (en) 1982-11-03
ES511687A0 (es) 1983-06-01
ES8306930A1 (es) 1983-06-01
GB2097615B (en) 1985-06-12
IE820835L (en) 1982-10-27
BE892997A (fr) 1982-10-27
AU560789B2 (en) 1987-04-16
CH658756A5 (de) 1986-11-28
BR8202362A (pt) 1983-04-05
FR2504748A1 (fr) 1982-10-29
AU8266182A (en) 1982-11-04
FR2504748B1 (fr) 1986-04-18
ZA822618B (en) 1983-04-27
CA1187591A (en) 1985-05-21
DE3215180A1 (de) 1982-11-11
JPS57183214A (en) 1982-11-11

Similar Documents

Publication Publication Date Title
US4414601A (en) Solid-state load protection system having a test feature
US4347540A (en) Solid-state load protection system having ground fault sensing
US4368500A (en) Solid-state load protection system having an improved inverse time delay circuit
CA1258489A (en) Solid-state trip device with test circuit for an electrical circuit breaker
AU2006303971B2 (en) A ground-fault circuit-interrupter system for three-phase electrical power systems
CZ288934B6 (cs) Detektor pro monitorování integrity uzemnění elektrického zařízení
KR19990044601A (ko) 과전류 방지 회로
US4060843A (en) Protection circuit for multiple phase power systems
CN102171904A (zh) 过载继电器
CA1147372A (en) Vacuum apparatus having protective device for operator and method
US4379317A (en) Solid-state load protection system having loss of phase sensing
US4509088A (en) Motor protector relay with memory of overload
CA2268575C (en) Circuit breaker
CA1073038A (en) Ground fault protection system
CA1194105A (en) Open circuit current transformer protection circuit
GB1590639A (en) Circuit interrupters
CA1148248A (en) Single-phase fault detecting circuit breaker
KR100501419B1 (ko) 동작테스트 기능을 갖는 저압 1상용 과전압 누전차단기
IE52772B1 (en) Solid state load protection system having electronic simulation of motor heating
RU2050659C1 (ru) Электроустановка с устройством защитного отключения от сети переменного напряжения
CA1081325A (en) Means for detecting a loss of vacuum in vacuum-type circuit interrupters used in a polyphase a.c. vacuum circuit breaker
RU1823061C (ru) Устройство дл контрол сопротивлени изол ции электрических цепей
KR810000626Y1 (ko) 누전 및 과전압 차단기