SE7805722L - Trefasoverspenningsskydd - Google Patents

Trefasoverspenningsskydd

Info

Publication number
SE7805722L
SE7805722L SE7805722A SE7805722A SE7805722L SE 7805722 L SE7805722 L SE 7805722L SE 7805722 A SE7805722 A SE 7805722A SE 7805722 A SE7805722 A SE 7805722A SE 7805722 L SE7805722 L SE 7805722L
Authority
SE
Sweden
Prior art keywords
phase voltage
voltage protection
protection
phase
voltage
Prior art date
Application number
SE7805722A
Other languages
English (en)
Other versions
SE437897B (sv
Inventor
M Imataki
M Mochizuki
Y Shibuya
Original Assignee
Mitsubishi 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of SE7805722L publication Critical patent/SE7805722L/sv
Publication of SE437897B publication Critical patent/SE437897B/sv

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/16—Overvoltage arresters using spark gaps having a plurality of gaps arranged in series
    • H01T4/20—Arrangements for improving potential distribution
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors
    • H01C7/123—Arrangements for improving potential distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Emergency Protection Circuit Devices (AREA)
SE7805722A 1977-05-21 1978-05-18 Overspenningsskyddsanordning SE437897B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5898977A JPS53143952A (en) 1977-05-21 1977-05-21 Protective device for anomalous voltage

Publications (2)

Publication Number Publication Date
SE7805722L true SE7805722L (sv) 1979-01-17
SE437897B SE437897B (sv) 1985-03-18

Family

ID=13100246

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7805722A SE437897B (sv) 1977-05-21 1978-05-18 Overspenningsskyddsanordning

Country Status (7)

Country Link
US (1) US4204239A (sv)
JP (1) JPS53143952A (sv)
CA (1) CA1113148A (sv)
CH (1) CH629041A5 (sv)
DE (1) DE2821939C2 (sv)
FR (1) FR2391583A1 (sv)
SE (1) SE437897B (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276578A (en) * 1979-05-10 1981-06-30 General Electric Company Arrester with graded capacitance varistors
JPS6126449B2 (sv) * 1980-03-19 1986-06-20 Sandvik Ab

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR965616A (sv) * 1950-09-16
FR525629A (fr) * 1919-10-16 1921-09-24 Ignazio Prinetti Dispositif pour la décharge des surtensions dans les lignes électriques
US1783052A (en) * 1926-03-02 1930-11-25 Gen Electric Electric discharge device
US2659842A (en) * 1950-12-28 1953-11-17 Forges Ateliers Const Electr Lightning arrester
US3649875A (en) * 1969-08-01 1972-03-14 Mitsubishi Electric Corp Lightning arrester
JPS552539Y1 (sv) * 1969-10-15 1980-01-22
SE369803B (sv) * 1972-03-17 1974-09-16 Asea Ab
DE2345753C3 (de) * 1972-09-11 1978-03-09 Tokyo Shibaura Electric Co., Ltd., Kawasaki, Kanagawa (Japan) Metalloxid-Varistor
US3842318A (en) * 1972-10-11 1974-10-15 Westinghouse Electric Corp Shielded metal enclosed electrical equipment
US3767973A (en) * 1972-10-11 1973-10-23 Westinghouse Electric Corp Shielded metal enclosed lightning arrester
US3753045A (en) * 1972-10-11 1973-08-14 Westinghouse Electric Corp Shielded metal enclosed lightning arrester
JPS53138029A (en) * 1977-05-07 1978-12-02 Mitsubishi Electric Corp Abnormal voltage protective equipment

Also Published As

Publication number Publication date
JPS5728924B2 (sv) 1982-06-19
FR2391583B1 (sv) 1980-04-11
CH629041A5 (de) 1982-03-31
JPS53143952A (en) 1978-12-14
CA1113148A (en) 1981-11-24
US4204239A (en) 1980-05-20
DE2821939C2 (de) 1982-08-12
SE437897B (sv) 1985-03-18
FR2391583A1 (fr) 1978-12-15
DE2821939A1 (de) 1978-11-23

Similar Documents

Publication Publication Date Title
SE7709751L (sv) Avbrottssekra overspenningsskydd
SE7804059L (sv) Solskydd
IT1092687B (it) Invertitore elettrico
DK147190C (da) Motorbeskyttelsesindretning
SE7805157L (sv) Hogspenningsskyddskrets
FI64222B (fi) Elektriskt hopvikbar mellanvaegg
SE7810698L (sv) Elektrisk vexelriktare
SE7603021L (sv) Spenningsskyddsanordning
DK54878A (da) Overbelastningssikring
SE7809049L (sv) Induktionsvermd fixtur
SE7803684L (sv) Overspenningsskydd
SE430638B (sv) Elektrisk skyddsapparat
IT1057278B (it) Interruttore elettrico di protezione
FI782136A (fi) Elektrisk tidkopplingsmekanism
AT366426B (de) Schuetzen
DK144200C (da) Fejlstroembeskyttelsesafbryder
AT373439B (de) Hochspannungs-trennschalter
IT1090165B (it) Interruttore elettrico di protezione
AT350668B (de) Gasisolierte thyristoranordnung
SE7805722L (sv) Trefasoverspenningsskydd
AT373717B (de) Hochspannungs-trennschalter
IT1096978B (it) Condensatore elettrico con protezione
SE405063B (sv) Brytjern
DD137636A5 (de) Elektrischer schnappschalter
IT1141817B (it) Dispositivo elettrificatore di protezione

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7805722-1

Effective date: 19931210

Format of ref document f/p: F