DE2354594C3 - Schutzschaltungsanordnung zum Abschalten eines mehrphasigen Wechselstromverbrauchers von einer Wechselstromquelle beim Auftreten von Übelastungen - Google Patents

Schutzschaltungsanordnung zum Abschalten eines mehrphasigen Wechselstromverbrauchers von einer Wechselstromquelle beim Auftreten von Übelastungen

Info

Publication number
DE2354594C3
DE2354594C3 DE2354594A DE2354594A DE2354594C3 DE 2354594 C3 DE2354594 C3 DE 2354594C3 DE 2354594 A DE2354594 A DE 2354594A DE 2354594 A DE2354594 A DE 2354594A DE 2354594 C3 DE2354594 C3 DE 2354594C3
Authority
DE
Germany
Prior art keywords
capacitor
resistor
transistor
current
line
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
DE2354594A
Other languages
German (de)
English (en)
Other versions
DE2354594B2 (de
DE2354594A1 (de
Inventor
Geoffrey John Purton Wiltshire Harris
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.)
Schneider Electric USA Inc
Original Assignee
Square D Co
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 Square D Co filed Critical Square D Co
Publication of DE2354594A1 publication Critical patent/DE2354594A1/de
Publication of DE2354594B2 publication Critical patent/DE2354594B2/de
Application granted granted Critical
Publication of DE2354594C3 publication Critical patent/DE2354594C3/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H02H3/08Emergency 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 excess current
    • H02H3/093Emergency 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 excess current with timing means
    • 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
    • H02H3/02Details
    • H02H3/06Details with automatic reconnection
    • 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
    • H02H3/32Emergency 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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/34Emergency 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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system

Landscapes

  • Protection Of Generators And Motors (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
DE2354594A 1972-11-01 1973-10-31 Schutzschaltungsanordnung zum Abschalten eines mehrphasigen Wechselstromverbrauchers von einer Wechselstromquelle beim Auftreten von Übelastungen Expired DE2354594C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5035172A GB1459176A (en) 1972-11-01 1972-11-01 Overcurrent protective apparatus for a power circuit

Publications (3)

Publication Number Publication Date
DE2354594A1 DE2354594A1 (de) 1974-05-09
DE2354594B2 DE2354594B2 (de) 1981-02-19
DE2354594C3 true DE2354594C3 (de) 1981-11-05

Family

ID=10455606

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2354594A Expired DE2354594C3 (de) 1972-11-01 1973-10-31 Schutzschaltungsanordnung zum Abschalten eines mehrphasigen Wechselstromverbrauchers von einer Wechselstromquelle beim Auftreten von Übelastungen

Country Status (7)

Country Link
US (1) US3851216A (enExample)
CA (1) CA1005112A (enExample)
DE (1) DE2354594C3 (enExample)
FR (1) FR2213609B1 (enExample)
GB (1) GB1459176A (enExample)
IT (1) IT999726B (enExample)
ZA (1) ZA738345B (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3955121A (en) * 1974-09-16 1976-05-04 Vahey Thomas J Short-circuit protective systems
US3959695A (en) * 1975-04-29 1976-05-25 Westinghouse Electric Corporation Circuit interrupter with ground fault trip control
US4027202A (en) * 1975-12-19 1977-05-31 Robertshaw Controls Company Voltage protection circuit
US4048663A (en) * 1977-10-10 1977-09-13 Square D Company Solid state overload relay transformer circuit
DE2704337A1 (de) * 1976-02-02 1977-08-04 Square D Co Ueberstromschutzgeraet fuer einen wechselstrommotor
US4041540A (en) * 1976-02-02 1977-08-09 Square D Company Solid state overload relay circuit
US4240072A (en) * 1979-03-19 1980-12-16 Research Products Corporation Load indicator for an air cleaner
US4377837A (en) * 1980-04-15 1983-03-22 Westinghouse Electric Corp. Circuit interrupter with overtemperature trip device
US4333119A (en) * 1980-04-28 1982-06-01 Purex Corporation Power monitor system
DE3034904A1 (de) * 1980-09-16 1982-04-29 Marine Safe Electronics of Canada Ltd., Concord, Ontario Niedrigwicklungswiderstand-schutzsystem
US4394607A (en) * 1981-05-08 1983-07-19 Stanley Automatic Openers Control systems for gates and the like including a motor overload monitoring circuit
US4381531A (en) * 1981-07-02 1983-04-26 Carrier Corporation Alternating current motor protection system
DE3228954C2 (de) * 1982-08-03 1985-11-21 Loher Gmbh, 8399 Ruhstorf Schutzeinrichtung für Asynchron-Motoren
DE3237800C2 (de) * 1982-08-03 1986-09-11 Loher Gmbh, 8399 Ruhstorf Schutzeinrichtung für Asynchron-Motoren
GB2147432B (en) * 1983-09-28 1987-01-14 Aisin Seiki Controlling movement
US4731728A (en) * 1985-01-10 1988-03-15 Pitney Bowes Inc. Postage meter with means for preventing unauthorized postage printing
US5386183A (en) * 1990-01-03 1995-01-31 Siemens Energy & Automation, Inc. Method and apparatus for sensing a ground fault in a motor control system
US5587864A (en) * 1994-04-11 1996-12-24 Ford Motor Company Short circuit and ground fault protection for an electrical system
GB9624724D0 (en) * 1996-11-28 1997-01-15 Marconi Gec Ltd Electric motor monitoring arrangement
RU2137276C1 (ru) * 1997-10-14 1999-09-10 Акционерное общество закрытого типа "Контактор" Устройство для максимальной токовой защиты электроустановки переменного тока
JPH11252990A (ja) * 1998-02-27 1999-09-17 Fanuc Ltd Pwm方式によるモータ制御装置
TW420893B (en) * 1999-01-25 2001-02-01 Lam Sheir Chun Circuit breaker
JP2002247749A (ja) * 2001-02-16 2002-08-30 Fuji Electric Co Ltd 過負荷電流保安装置
US7983014B2 (en) * 2006-07-19 2011-07-19 Hitoshi Kijima Disconnector and overvoltage protection device
CN104538233B (zh) * 2014-12-25 2017-04-19 广州供电局有限公司变电管理一所 变电站电动刀闸状态监测预警系统及方法
US11916372B2 (en) 2019-10-07 2024-02-27 Belimo Holding Ag Motor protection device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE949674C (de) * 1953-10-30 1956-09-27 Nordwestdeutscher Rundfunk Elektronisches Schaltgeraet
FR1316653A (fr) * 1961-12-20 1963-02-01 Merlin Gerin Dispositif de protection d'un réseau polyphasé contre les surintensités
GB1129178A (en) * 1966-07-06 1968-10-02 Baldwin & Francis Holdings Ltd Improvements relating to overload protection in electric supply systems
US3465206A (en) * 1966-12-05 1969-09-02 Litton Systems Inc Time delay circuit breaker with short-circuit bypass
US3463998A (en) * 1966-12-27 1969-08-26 Electric Machinery Mfg Co Overvoltage control
US3582982A (en) * 1969-08-26 1971-06-01 Cutler Hammer Inc Electronic motor overload relay control system
DE2043010C3 (de) * 1970-08-29 1979-08-23 Siemens Ag, 1000 Berlin U. 8000 Muenchen Abfallverzögertes Zeitrelais
US3742302A (en) * 1971-10-12 1973-06-26 Carrier Corp Motor relay protection for refrigerant compressor motors

Also Published As

Publication number Publication date
ZA738345B (en) 1974-08-28
IT999726B (it) 1976-03-10
GB1459176A (en) 1976-12-22
FR2213609B1 (enExample) 1979-05-11
FR2213609A1 (enExample) 1974-08-02
CA1005112A (en) 1977-02-08
DE2354594B2 (de) 1981-02-19
DE2354594A1 (de) 1974-05-09
US3851216A (en) 1974-11-26

Similar Documents

Publication Publication Date Title
DE2354594C3 (de) Schutzschaltungsanordnung zum Abschalten eines mehrphasigen Wechselstromverbrauchers von einer Wechselstromquelle beim Auftreten von Übelastungen
DE1165143B (de) Relaissteuervorrichtung zur Ausloesung eines Relais bei Auftreten einer vorbestimmten, an einem Differentialtransformator anliegenden Spannung
DE1170518B (de) Schutzeinrichtung fuer elektrische Stromkreise
DE2538705A1 (de) Stromempfindliches schutzschaltsystem
DE2135494A1 (de) Schutzschaltung für einen statischen Schalter
DE3032790A1 (de) Motorschutzschaltung
DE2242214A1 (de) Erdschlusschutz fuer mehrphasiges wechselstromsystem
DE1166909B (de) Verfahren und Vorrichtung zur UEberwachung und Lokalisierung von Erdschluessen in elektrischen Netzen
DE2743117A1 (de) Schaltkreis-trenngeraet
DE102014110481A1 (de) Schutzeinrichtung für elektrische Energieversorgungsnetze, Energiequelle, Energieversorgungsnetz sowie Verwendung einer derartigen Schutzeinrichtung
DE2748354A1 (de) Einrichtung zum erfassen eines vakuumverlustes in schaltungsunterbrechern vom vakuum-typ fuer einen mehrphasigen vakuum-wechselstromleistungsschalter
DE3531023A1 (de) Schaltungsanordnung zur erfassung eines fehler- bzw. differenzstromes
DE2707455C3 (de) Elektronischer Überstrom-Schutzschalter
DE2443704A1 (de) Schaltungsanordnung zur elektronischen ueberwachung eines fernbedienbaren unterbrechersystems
DE1164549B (de) UEberwachungseinrichtung
DE3737327C2 (enExample)
DE1911202B2 (de) Elektronische ueberstromausloesung fuer elektrische schalter
DE2715219C2 (enExample)
DE2704337A1 (de) Ueberstromschutzgeraet fuer einen wechselstrommotor
DE2723164B2 (de) Kurzschlußschutz für einen Resonanzshunt
DE102021210831B4 (de) Schutzschaltgerät und Verfahren
DE1513152C3 (de) Überstromzeitrelais
DE685594C (de) Schutzrelais fuer elektrische Wechselstromanlagen mit zeitabhaengiger Ausloesung
DE2532206A1 (de) Schaltungsanordnung zur abschaltung eines drehstromverbrauchers bei unsymmetrischer leistungsaufnahme
DE1563754C (de) Schaltungsanordnung zur elektronischen Sicherung eines Lastkreises

Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee