FR916170A - Protection device for electrical devices immersed in an insulating liquid - Google Patents

Protection device for electrical devices immersed in an insulating liquid

Info

Publication number
FR916170A
FR916170A FR916170DA FR916170A FR 916170 A FR916170 A FR 916170A FR 916170D A FR916170D A FR 916170DA FR 916170 A FR916170 A FR 916170A
Authority
FR
France
Prior art keywords
protection device
electrical devices
insulating liquid
devices immersed
immersed
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
Other languages
French (fr)
Inventor
Eduard Fries
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 filed Critical
Application granted granted Critical
Publication of FR916170A publication Critical patent/FR916170A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection 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
    • 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
    • H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
FR916170D 1944-05-03 1945-10-23 Protection device for electrical devices immersed in an insulating liquid Expired FR916170A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH243716T 1944-05-03

Publications (1)

Publication Number Publication Date
FR916170A true FR916170A (en) 1946-11-28

Family

ID=4463765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR916170D Expired FR916170A (en) 1944-05-03 1945-10-23 Protection device for electrical devices immersed in an insulating liquid

Country Status (2)

Country Link
CH (1) CH243716A (en)
FR (1) FR916170A (en)

Also Published As

Publication number Publication date
CH243716A (en) 1946-07-31

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