RO84635B - Mecanism de comutare pentru dispozitive de protectie - Google Patents

Mecanism de comutare pentru dispozitive de protectie

Info

Publication number
RO84635B
RO84635B RO109914A RO10991483A RO84635B RO 84635 B RO84635 B RO 84635B RO 109914 A RO109914 A RO 109914A RO 10991483 A RO10991483 A RO 10991483A RO 84635 B RO84635 B RO 84635B
Authority
RO
Romania
Prior art keywords
switching mechanism
permanent
ferromagnetic
transformer
protection devices
Prior art date
Application number
RO109914A
Other languages
English (en)
Romanian (ro)
Other versions
RO84635A (fr
Original Assignee
Veb Elektromotorenwerk Barleben Sitz
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 Veb Elektromotorenwerk Barleben Sitz filed Critical Veb Elektromotorenwerk Barleben Sitz
Priority to RO109914A priority Critical patent/RO84635B/ro
Publication of RO84635A publication Critical patent/RO84635A/fr
Publication of RO84635B publication Critical patent/RO84635B/ro

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/55—Oil reservoirs or tanks; Lowering means therefor
    • H01H33/555—Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Transformer Cooling (AREA)
RO109914A 1983-02-04 1983-02-04 Mecanism de comutare pentru dispozitive de protectie RO84635B (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO109914A RO84635B (ro) 1983-02-04 1983-02-04 Mecanism de comutare pentru dispozitive de protectie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO109914A RO84635B (ro) 1983-02-04 1983-02-04 Mecanism de comutare pentru dispozitive de protectie

Publications (2)

Publication Number Publication Date
RO84635A RO84635A (fr) 1984-06-21
RO84635B true RO84635B (ro) 1984-08-30

Family

ID=20112640

Family Applications (1)

Application Number Title Priority Date Filing Date
RO109914A RO84635B (ro) 1983-02-04 1983-02-04 Mecanism de comutare pentru dispozitive de protectie

Country Status (1)

Country Link
RO (1) RO84635B (fr)

Also Published As

Publication number Publication date
RO84635A (fr) 1984-06-21

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