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FI55920C - SKYDDSANORDNING FOER OEVERVAKNING AV GASBILDNING OCH AENDRINGAR I VAETSKESTAONDET I VAETSKEKYLDA TRANSFORMATORER OCH DROSSLAR - Google Patents

SKYDDSANORDNING FOER OEVERVAKNING AV GASBILDNING OCH AENDRINGAR I VAETSKESTAONDET I VAETSKEKYLDA TRANSFORMATORER OCH DROSSLAR

Info

Publication number
FI55920C
FI55920C FI2746/71A FI274671A FI55920C FI 55920 C FI55920 C FI 55920C FI 2746/71 A FI2746/71 A FI 2746/71A FI 274671 A FI274671 A FI 274671A FI 55920 C FI55920 C FI 55920C
Authority
FI
Finland
Prior art keywords
och
vaetskestaondet
vaetskekylda
transformatorer
gasbildning
Prior art date
Application number
FI2746/71A
Other languages
Finnish (fi)
Other versions
FI55920B (en
Inventor
Richard Pfeiffer
Erich Reiplinger
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 FI55920B publication Critical patent/FI55920B/en
Publication of FI55920C publication Critical patent/FI55920C/en

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)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Level Indicators Using A Float (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
FI2746/71A 1970-10-12 1971-10-01 SKYDDSANORDNING FOER OEVERVAKNING AV GASBILDNING OCH AENDRINGAR I VAETSKESTAONDET I VAETSKEKYLDA TRANSFORMATORER OCH DROSSLAR FI55920C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2049972A DE2049972C3 (en) 1970-10-12 1970-10-12 Protection device for liquid-cooled transformers and chokes

Publications (2)

Publication Number Publication Date
FI55920B FI55920B (en) 1979-06-29
FI55920C true FI55920C (en) 1979-10-10

Family

ID=5784835

Family Applications (1)

Application Number Title Priority Date Filing Date
FI2746/71A FI55920C (en) 1970-10-12 1971-10-01 SKYDDSANORDNING FOER OEVERVAKNING AV GASBILDNING OCH AENDRINGAR I VAETSKESTAONDET I VAETSKEKYLDA TRANSFORMATORER OCH DROSSLAR

Country Status (12)

Country Link
AT (2) AT314034B (en)
BE (1) BE773776A (en)
CH (1) CH524908A (en)
DE (1) DE2049972C3 (en)
DK (1) DK137152C (en)
ES (1) ES198544Y (en)
FI (1) FI55920C (en)
FR (1) FR2109996A5 (en)
GB (1) GB1346633A (en)
NL (1) NL166826C (en)
NO (1) NO128042B (en)
SE (1) SE369805B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS601568B2 (en) * 1979-06-07 1985-01-16 日産自動車株式会社 Liquid level alarm device
DD207645A3 (en) * 1982-02-04 1984-03-07 Dietrich Kroll STORAGE FLAP FOR PROTECTIVE EQUIPMENT
FR2684248B1 (en) * 1991-11-22 1997-04-30 Pioch Sa ELECTRONIC APPARATUS FOR MEASURING AND PROTECTING THE OPERATION OF THE OIL TRANSFORMER.
DE102010008066B3 (en) * 2010-02-16 2011-03-31 Maschinenfabrik Reinhausen Gmbh Buchholz relay
WO2012175252A1 (en) 2011-06-22 2012-12-27 Maschinenfabrik Reinhausen Gmbh Buchholz relay
DE202011109908U1 (en) 2011-06-22 2012-06-28 Maschinenfabrik Reinhausen Gmbh Buchholz relay
PL2688081T3 (en) * 2012-07-20 2016-06-30 Abb Schweiz Ag Safety device for a power transformer, and related power transformer using such a safety device

Also Published As

Publication number Publication date
CH524908A (en) 1972-06-30
BE773776A (en) 1972-01-31
DE2049972C3 (en) 1973-09-13
FR2109996A5 (en) 1972-05-26
DE2049972A1 (en) 1972-04-13
NL166826C (en) 1981-09-15
NO128042B (en) 1973-09-17
AT306845B (en) 1973-04-25
NL7113906A (en) 1972-04-14
ES198544Y (en) 1975-11-16
AT314034B (en) 1974-03-11
DE2049972B2 (en) 1973-03-01
DK137152C (en) 1978-06-19
GB1346633A (en) 1974-02-13
NL166826B (en) 1981-04-15
FI55920B (en) 1979-06-29
SE369805B (en) 1974-09-16
DK137152B (en) 1978-01-23
ES198544U (en) 1975-06-16

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