AT306845B - Gerät zur Überwachung von Gasbildung und Flüssigkeitsstandsänderungen für flüssigkeitsgekühlte elektrische Apparate - Google Patents

Gerät zur Überwachung von Gasbildung und Flüssigkeitsstandsänderungen für flüssigkeitsgekühlte elektrische Apparate

Info

Publication number
AT306845B
AT306845B AT867471A AT867471A AT306845B AT 306845 B AT306845 B AT 306845B AT 867471 A AT867471 A AT 867471A AT 867471 A AT867471 A AT 867471A AT 306845 B AT306845 B AT 306845B
Authority
AT
Austria
Prior art keywords
liquid
changes
electrical apparatus
gas formation
monitoring gas
Prior art date
Application number
AT867471A
Other languages
English (en)
Original Assignee
Transformatoren Union Ag
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 Transformatoren Union Ag filed Critical Transformatoren Union Ag
Application granted granted Critical
Publication of AT306845B publication Critical patent/AT306845B/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/72—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
    • G01F23/74—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means for sensing changes in level only at discrete points
    • 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
    • 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
    • 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)
  • General Physics & Mathematics (AREA)
  • Level Indicators Using A Float (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
AT867471A 1970-10-12 1971-10-07 Gerät zur Überwachung von Gasbildung und Flüssigkeitsstandsänderungen für flüssigkeitsgekühlte elektrische Apparate AT306845B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2049972A DE2049972C3 (de) 1970-10-12 1970-10-12 Schutzgerat fur flussigkeitsge kühlte Transformatoren und Drosseln

Publications (1)

Publication Number Publication Date
AT306845B true AT306845B (de) 1973-04-25

Family

ID=5784835

Family Applications (2)

Application Number Title Priority Date Filing Date
AT867471A AT306845B (de) 1970-10-12 1971-10-07 Gerät zur Überwachung von Gasbildung und Flüssigkeitsstandsänderungen für flüssigkeitsgekühlte elektrische Apparate
AT740872A AT314034B (de) 1970-10-12 1971-10-07 Gerät zur Überwachung von Gasbildung und Flüssigkeitsstandsänderungen für flüssigkeitsgekühlte elektrische Apparate

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT740872A AT314034B (de) 1970-10-12 1971-10-07 Gerät zur Überwachung von Gasbildung und Flüssigkeitsstandsänderungen für flüssigkeitsgekühlte elektrische Apparate

Country Status (12)

Country Link
AT (2) AT306845B (de)
BE (1) BE773776A (de)
CH (1) CH524908A (de)
DE (1) DE2049972C3 (de)
DK (1) DK137152C (de)
ES (1) ES198544Y (de)
FI (1) FI55920C (de)
FR (1) FR2109996A5 (de)
GB (1) GB1346633A (de)
NL (1) NL166826C (de)
NO (1) NO128042B (de)
SE (1) SE369805B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993010587A1 (fr) * 1991-11-22 1993-05-27 Pioch S.A. Appareil electronique de mesure du fonctionnement du transformateur a huile

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS601568B2 (ja) * 1979-06-07 1985-01-16 日産自動車株式会社 液面警報装置
DD207645A3 (de) * 1982-02-04 1984-03-07 Dietrich Kroll Stauklappe fuer schutzeinrichtungen
DE102010008066B3 (de) 2010-02-16 2011-03-31 Maschinenfabrik Reinhausen Gmbh Buchholzrelais
EP2724357B1 (de) 2011-06-22 2016-03-16 Maschinenfabrik Reinhausen GmbH Buchholzrelais
DE202011109908U1 (de) 2011-06-22 2012-06-28 Maschinenfabrik Reinhausen Gmbh Buchholzrelais
EP2688081B1 (de) * 2012-07-20 2015-11-04 ABB Technology AG Sicherheitsvorrichtung für einen Leistungswandler und zugehöriger Leistungswandler mit einer solchen Sicherheitsvorrichtung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993010587A1 (fr) * 1991-11-22 1993-05-27 Pioch S.A. Appareil electronique de mesure du fonctionnement du transformateur a huile
FR2684248A1 (fr) * 1991-11-22 1993-05-28 Pioch Sa Appareil electronique de mesure et de protection du fonctionnement du transformateur a huile.
US5534853A (en) * 1991-11-22 1996-07-09 Pioch S.A. Electronic apparatus for measuring the parameters of an oil transformer

Also Published As

Publication number Publication date
DK137152B (da) 1978-01-23
NL7113906A (de) 1972-04-14
NO128042B (de) 1973-09-17
NL166826B (nl) 1981-04-15
DE2049972B2 (de) 1973-03-01
BE773776A (fr) 1972-01-31
FR2109996A5 (de) 1972-05-26
DE2049972C3 (de) 1973-09-13
DE2049972A1 (de) 1972-04-13
SE369805B (de) 1974-09-16
FI55920C (fi) 1979-10-10
AT314034B (de) 1974-03-11
ES198544Y (es) 1975-11-16
FI55920B (fi) 1979-06-29
CH524908A (de) 1972-06-30
GB1346633A (en) 1974-02-13
DK137152C (da) 1978-06-19
ES198544U (es) 1975-06-16
NL166826C (nl) 1981-09-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee