NO744280L - - Google Patents

Info

Publication number
NO744280L
NO744280L NO744280A NO744280A NO744280L NO 744280 L NO744280 L NO 744280L NO 744280 A NO744280 A NO 744280A NO 744280 A NO744280 A NO 744280A NO 744280 L NO744280 L NO 744280L
Authority
NO
Norway
Prior art keywords
winding
relay
leads
safety
current
Prior art date
Application number
NO744280A
Other languages
English (en)
Norwegian (no)
Inventor
H W Vind
F Sorensen
Original Assignee
Danfoss As
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 Danfoss As filed Critical Danfoss As
Publication of NO744280L publication Critical patent/NO744280L/no

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency 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
    • H02H3/32—Emergency 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
    • H02H3/33—Emergency 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 using summation current transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
    • H02H3/023—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order by short-circuiting

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
NO744280A 1973-12-01 1974-11-27 NO744280L (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2360037A DE2360037A1 (de) 1973-12-01 1973-12-01 Sicherheitsschaltung fuer ein elektrisches geraet

Publications (1)

Publication Number Publication Date
NO744280L true NO744280L (fr) 1975-06-30

Family

ID=5899666

Family Applications (1)

Application Number Title Priority Date Filing Date
NO744280A NO744280L (fr) 1973-12-01 1974-11-27

Country Status (11)

Country Link
JP (1) JPS5086652A (fr)
AU (1) AU7491274A (fr)
BE (1) BE821917A (fr)
BR (1) BR7410014A (fr)
DE (1) DE2360037A1 (fr)
DK (1) DK572174A (fr)
ES (1) ES432378A1 (fr)
FR (1) FR2253299A1 (fr)
IT (1) IT1024884B (fr)
NL (1) NL7415418A (fr)
NO (1) NO744280L (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426973A1 (fr) * 1978-05-23 1979-12-21 Laprom Corp Nv Disjoncteur de courant de fuite
US4412715A (en) * 1981-01-12 1983-11-01 Virginia Patent Development Corp. Modular electrical plug incorporating conductive path
DE3431581A1 (de) * 1984-08-28 1986-03-20 Friedrich Dipl.-Ing. 8033 Krailling Lauerer Elektrischer Schalter
DE3903025A1 (de) * 1989-02-02 1990-08-09 Asea Brown Boveri Verfahren zum schutz von personen
EP0513405A1 (fr) * 1991-05-11 1992-11-19 Intermacom A.G. Méthode et dispositif d'interruption de courant pour appareils et équipements actionnés électriquement
DE102004016740B4 (de) * 2004-04-05 2006-08-31 Siemens Ag Verfahren zum Erkennen eines Isolationsfehlers in einem Hochspannungsumrichter
CA2643129C (fr) * 2006-02-23 2014-07-22 Siemens Aktiengesellschaft Dispositif de coupure en surintensite

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS445389Y1 (fr) * 1965-09-06 1969-02-26

Also Published As

Publication number Publication date
FR2253299B3 (fr) 1977-08-26
IT1024884B (it) 1978-07-20
ES432378A1 (es) 1976-12-01
DE2360037A1 (de) 1975-06-12
JPS5086652A (fr) 1975-07-12
FR2253299A1 (en) 1975-06-27
AU7491274A (en) 1976-05-06
BR7410014A (pt) 1976-05-25
NL7415418A (nl) 1975-06-03
DK572174A (fr) 1975-07-21
BE821917A (fr) 1975-03-03

Similar Documents

Publication Publication Date Title
EP0762591B1 (fr) Système électrique avec protection contre l'arc
US2999189A (en) Protective arrangements for electrical circuits and apparatus
CN101485059B (zh) 具有带电接地检测器的电路断流器
US4219857A (en) Protective method and circuits for sheathed electrical resistance heating units
US20040070895A1 (en) Leakage current detection interrupter extension cord with cord diagnostics and/or inadvertent ground-to-neutral detection
AU2019204774A1 (en) An electrical protection device
US20060198067A1 (en) Extension cord having open neutral during fault detection trip
WO1996042131A1 (fr) Systeme de cablage electrique a protection contre les temperatures excessives
CN201146366Y (zh) 一种分励脱扣型单相短路保护装置
US20100046126A1 (en) Circuit interrupter and receptacle including semiconductor switching device providing protection from a glowing contact
NO744280L (fr)
US2864036A (en) Protection system for electric wiring
US20060170428A1 (en) Electrical safety cord
RU2737951C1 (ru) Комплекс контроля и защиты электроустановки
US20230268730A1 (en) Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances
US8605395B1 (en) Dual plug adapter and household high current apparatus
US2922925A (en) Protective device for electrical circuits and apparatus
US3612951A (en) Safety device for use with electric installations
NO800972L (no) Stroemforsynings-vernekobling med tyristor mellom gods og jord
KR840001584B1 (ko) 휴대용 비상 안전장치
GB2128047A (en) Earth leakage monitor and earth proving apparatus
US2810865A (en) Protection of y-connected capacitors in a delta system
JPS6145696Y2 (fr)
CN206877955U (zh) 一种新型微型漏电保护断路器
EP1734632B1 (fr) Dispositif de sécurité pour un disjoncteur de protection