DE1400448U - - Google Patents

Info

Publication number
DE1400448U
DE1400448U DE193527234D DE27234DU DE1400448U DE 1400448 U DE1400448 U DE 1400448U DE 193527234 D DE193527234 D DE 193527234D DE 27234D U DE27234D U DE 27234DU DE 1400448 U DE1400448 U DE 1400448U
Authority
DE
Germany
Prior art keywords
oil
floats
housing
flaps
longitudinally displaceable
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
DE193527234D
Other languages
German (de)
English (en)
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
Publication of DE1400448U publication Critical patent/DE1400448U/de
Expired legal-status Critical Current

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
    • 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
    • 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
    • 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
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
DE193527234D 1935-12-21 1935-12-21 Expired DE1400448U (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE27234T 1935-12-21

Publications (1)

Publication Number Publication Date
DE1400448U true DE1400448U (enrdf_load_stackoverflow) 1937-02-19

Family

ID=711503

Family Applications (1)

Application Number Title Priority Date Filing Date
DE193527234D Expired DE1400448U (enrdf_load_stackoverflow) 1935-12-21 1935-12-21

Country Status (1)

Country Link
DE (1) DE1400448U (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032388B (de) * 1954-03-01 1958-06-19 Licentia Gmbh Schutzgeraet fuer fluessigkeitsisolierte elektrische Apparate
DE1084829B (de) * 1957-11-07 1960-07-07 Siemens Ag UEberwachungsgeraet fuer fluessigkeitsgefuellte, insbesondere oelgefuellte elektrische Apparate
WO2005059483A1 (de) * 2003-12-19 2005-06-30 Siemens Aktiengesellschaft Vorrichtung und verfahren zur überwachung eines gasvolumens in einer mit flüssigkeit befüllten anlage
WO2013013703A1 (en) * 2011-07-25 2013-01-31 Abb Technology Ag Safety apparatus and monitoring method for a power transformer, and related power transformer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032388B (de) * 1954-03-01 1958-06-19 Licentia Gmbh Schutzgeraet fuer fluessigkeitsisolierte elektrische Apparate
DE1084829B (de) * 1957-11-07 1960-07-07 Siemens Ag UEberwachungsgeraet fuer fluessigkeitsgefuellte, insbesondere oelgefuellte elektrische Apparate
WO2005059483A1 (de) * 2003-12-19 2005-06-30 Siemens Aktiengesellschaft Vorrichtung und verfahren zur überwachung eines gasvolumens in einer mit flüssigkeit befüllten anlage
US7614299B2 (en) 2003-12-19 2009-11-10 Siemens Aktiengesellschaft Device and method for monitoring a gas volume in a unit filled with liquid
WO2013013703A1 (en) * 2011-07-25 2013-01-31 Abb Technology Ag Safety apparatus and monitoring method for a power transformer, and related power transformer

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