SE412465B - Termometer for avkenning av endringar i den temperatur, som utvecklas inuti en lindning i en elektrisk transformator, som er nedsenkt i en kylarvetska i en behallare - Google Patents

Termometer for avkenning av endringar i den temperatur, som utvecklas inuti en lindning i en elektrisk transformator, som er nedsenkt i en kylarvetska i en behallare

Info

Publication number
SE412465B
SE412465B SE7513335A SE7513335A SE412465B SE 412465 B SE412465 B SE 412465B SE 7513335 A SE7513335 A SE 7513335A SE 7513335 A SE7513335 A SE 7513335A SE 412465 B SE412465 B SE 412465B
Authority
SE
Sweden
Prior art keywords
thermometer
fiber optic
channel
winding
transformer
Prior art date
Application number
SE7513335A
Other languages
English (en)
Swedish (sv)
Other versions
SE7513335L (sv
Inventor
R F Romanowski
Original Assignee
Qualitrol Corp
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 Qualitrol Corp filed Critical Qualitrol Corp
Publication of SE7513335L publication Critical patent/SE7513335L/xx
Publication of SE412465B publication Critical patent/SE412465B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
    • G01K5/50—Measuring temperature based on the expansion or contraction of a material the material being a solid arranged for free expansion or contraction
    • G01K5/52—Measuring temperature based on the expansion or contraction of a material the material being a solid arranged for free expansion or contraction with electrical conversion means for final indication

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
SE7513335A 1975-02-10 1975-11-27 Termometer for avkenning av endringar i den temperatur, som utvecklas inuti en lindning i en elektrisk transformator, som er nedsenkt i en kylarvetska i en behallare SE412465B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/548,350 US3960017A (en) 1975-02-10 1975-02-10 Thermometer insertable in winding of fluid cooled transformer

Publications (2)

Publication Number Publication Date
SE7513335L SE7513335L (sv) 1976-08-11
SE412465B true SE412465B (sv) 1980-03-03

Family

ID=24188484

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7513335A SE412465B (sv) 1975-02-10 1975-11-27 Termometer for avkenning av endringar i den temperatur, som utvecklas inuti en lindning i en elektrisk transformator, som er nedsenkt i en kylarvetska i en behallare

Country Status (8)

Country Link
US (1) US3960017A (Direct)
AT (1) AT368634B (Direct)
CA (1) CA1069720A (Direct)
DE (1) DE2603772C2 (Direct)
FR (1) FR2300333A1 (Direct)
GB (1) GB1506103A (Direct)
IT (1) IT1054580B (Direct)
SE (1) SE412465B (Direct)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321116A1 (fr) * 1975-08-13 1977-03-11 Anvar Procede de mesure de temperature et sonde pour sa mise en oeuvre
US4140999A (en) * 1976-05-03 1979-02-20 Robertshaw Controls Company Transformer hot spot detection system
US4092864A (en) * 1976-08-04 1978-06-06 Qualitrol Corporation Hot spot thermometer
US4036058A (en) * 1976-08-05 1977-07-19 Qualitrol Corporation Hot spot thermometer
US4091280A (en) * 1976-09-13 1978-05-23 The United States Of America As Represented By The Secretary Of The Navy Fiber optic position sensing and indicating apparatus for electrical interference sensitive environments
US4098123A (en) * 1977-01-24 1978-07-04 Baxter Travenol Laboratories, Inc. Method and apparatus for measuring the operating temperature of blood warming apparatus
US4136566A (en) * 1977-06-24 1979-01-30 University Of Utah Semiconductor temperature sensor
US4111050A (en) * 1977-07-14 1978-09-05 International Telephone And Telegraph Corporation Thermometer with birefringent sensing element in fiber optic coupling
US4179927A (en) * 1977-09-28 1979-12-25 Electric Power Research Institute, Inc. Temperature sensing device
US4176552A (en) * 1978-10-10 1979-12-04 Rca Corporation Fiber-optic thermometer
US4176551A (en) * 1978-10-10 1979-12-04 Rca Corporation Fiber-optic thermometer
US4355910A (en) * 1979-01-22 1982-10-26 Rockwell International Corporation Method and apparatus for an optical sensor utilizing semiconductor filters
US4316388A (en) * 1979-02-22 1982-02-23 Westinghouse Electric Corp. Temperature detection using the refractive indices of light guides
US4307607A (en) * 1979-07-16 1981-12-29 Electric Power Research Institute, Inc. Temperature sensing arrangement and method
US4523092A (en) * 1982-07-29 1985-06-11 Aetna Telecommunications Laboratories Fiber optic sensors for simultaneously detecting different parameters in a single sensing tip
US4650003A (en) * 1985-04-10 1987-03-17 Systecon Inc. Light path heat detector
US4827487A (en) * 1987-12-11 1989-05-02 Westinghouse Electric Corp. Distributed temperature sensing system for stator windings
US5455551A (en) * 1993-05-11 1995-10-03 Abb Power T&D Company Inc. Integrated temperature sensing duct spacer unit and method of forming
US6431010B1 (en) * 1998-03-09 2002-08-13 Michael A. Joffe Optical fiber-based fluid flow anemometer
US6494617B1 (en) * 1999-04-30 2002-12-17 General Electric Company Status detection apparatus and method for fluid-filled electrical equipment
US7111983B2 (en) * 2004-04-13 2006-09-26 Reliance Electric Technologies, Llc Temperature detection method and apparatus for inverter-driven machines
US20060215730A1 (en) * 2005-02-14 2006-09-28 Jean-Francois Meilleur Fiber optic temperature probe for oil-filled power transformers
US7377689B2 (en) * 2005-05-06 2008-05-27 Qualitrol Corporation Transformer temperature monitoring and control
US20060251147A1 (en) * 2005-05-06 2006-11-09 Qualitrol Corporation Transformer temperature monitoring and control
US20070171958A1 (en) * 2006-01-23 2007-07-26 Anh Hoang Electrical device measurement probes
US8277119B2 (en) * 2006-12-19 2012-10-02 Vibrosystm, Inc. Fiber optic temperature sensor
US9557344B2 (en) 2011-07-12 2017-01-31 The Hong Kong Polytechnic University Sensor for measuring flow speed of a fluid
US9464566B2 (en) 2013-07-24 2016-10-11 Ned M Ahdoot Plural blade rotary engine
EP3385962B1 (en) 2017-04-05 2020-06-24 ABB Power Grids Switzerland AG Static electric induction apparatus comprising a winding and a sensor system for monitoring the temperature in the winding

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB599578A (en) * 1945-09-19 1948-03-16 British Thomson Houston Co Ltd Improvements relating to thermo-metric apparatus
US2197190A (en) * 1936-08-04 1940-04-16 Lewis M Mott-Smith Constant temperature bath
US3580082A (en) * 1969-11-07 1971-05-25 Bendix Corp Pressure transducer
US3611791A (en) * 1969-12-22 1971-10-12 Eastern Co Remote air temperature indicator
DE2033169A1 (de) * 1970-07-04 1972-02-17 Siemens Ag Temperaturmeßanordnung
US3686958A (en) * 1971-02-22 1972-08-29 Ladd Res Ind Fiber optic pressure detector
US3691501A (en) * 1971-04-30 1972-09-12 Robertshaw Controls Co Thermostat assemblies utilizing a heat expansive and contractive elastomeric material
SE361971B (Direct) * 1971-07-22 1973-11-19 Asea Ab
US3789667A (en) * 1972-02-14 1974-02-05 Ladd Res Ind Inc Fiber optic pressure detector

Also Published As

Publication number Publication date
US3960017A (en) 1976-06-01
IT1054580B (it) 1981-11-30
SE7513335L (sv) 1976-08-11
FR2300333A1 (fr) 1976-09-03
ATA78376A (de) 1982-02-15
CA1069720A (en) 1980-01-15
FR2300333B1 (Direct) 1981-08-21
DE2603772A1 (de) 1976-08-19
DE2603772C2 (de) 1986-11-20
GB1506103A (en) 1978-04-05
AT368634B (de) 1982-10-25

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