EP0111470A3 - Thermal protective device for transformers and inductances - Google Patents

Thermal protective device for transformers and inductances Download PDF

Info

Publication number
EP0111470A3
EP0111470A3 EP83890212A EP83890212A EP0111470A3 EP 0111470 A3 EP0111470 A3 EP 0111470A3 EP 83890212 A EP83890212 A EP 83890212A EP 83890212 A EP83890212 A EP 83890212A EP 0111470 A3 EP0111470 A3 EP 0111470A3
Authority
EP
European Patent Office
Prior art keywords
inductances
transformers
protective device
thermal protective
thermal
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.)
Granted
Application number
EP83890212A
Other languages
German (de)
Other versions
EP0111470A2 (en
EP0111470B1 (en
Inventor
Willibald Felber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Andritz Hydro GmbH Austria
Original Assignee
Andritz Hydro GmbH Austria
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 Andritz Hydro GmbH Austria filed Critical Andritz Hydro GmbH Austria
Publication of EP0111470A2 publication Critical patent/EP0111470A2/en
Publication of EP0111470A3 publication Critical patent/EP0111470A3/en
Application granted granted Critical
Publication of EP0111470B1 publication Critical patent/EP0111470B1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/404—Protective devices specially adapted for fluid filled transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/406—Temperature sensor or protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Transformer Cooling (AREA)
  • Protection Of Transformers (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Tests Of Electronic Circuits (AREA)
EP83890212A 1982-11-15 1983-11-15 Thermal protective device for transformers and inductances Expired EP0111470B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0414282A AT378623B (en) 1982-11-15 1982-11-15 DEVICE FOR THE THERMAL MONITORING OF LIQUID-COOLED TRANSFORMERS AND THROTTLE COILS
AT4142/82 1982-11-15

Publications (3)

Publication Number Publication Date
EP0111470A2 EP0111470A2 (en) 1984-06-20
EP0111470A3 true EP0111470A3 (en) 1985-01-09
EP0111470B1 EP0111470B1 (en) 1987-03-04

Family

ID=3560223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83890212A Expired EP0111470B1 (en) 1982-11-15 1983-11-15 Thermal protective device for transformers and inductances

Country Status (5)

Country Link
US (1) US4549817A (en)
EP (1) EP0111470B1 (en)
JP (1) JPS59112607A (en)
AT (1) AT378623B (en)
DE (1) DE3370093D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754405A (en) * 1986-02-14 1988-06-28 Qualitrol Corporation Tri-phase electronic temperature controller
EP0335351B1 (en) * 1988-03-29 1993-02-03 Kabushiki Kaisha Toshiba Method for monitoring unusual signs in gas-charged apparatus and gas-charged apparatus including unusual sign monitor
US6494617B1 (en) * 1999-04-30 2002-12-17 General Electric Company Status detection apparatus and method for fluid-filled electrical equipment
JP2005302794A (en) * 2004-04-07 2005-10-27 Hitachi Industrial Equipment Systems Co Ltd Transformer monitoring system
DE102011107375B4 (en) * 2011-07-14 2013-02-21 Maschinenfabrik Reinhausen Gmbh Device for simulating and displaying the winding temperature of an electrical power transformer and suitable limiting circuit
DE102014220145A1 (en) * 2014-10-06 2016-04-07 Robert Bosch Gmbh Cooling monitoring device for a transformer cooling a welding transformer
DE102016207393A1 (en) * 2016-04-29 2017-11-02 Siemens Aktiengesellschaft Replacement transformer with modular design

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1597771A (en) * 1921-05-11 1926-08-31 Westinghouse Electric & Mfg Co Transformer-cooling system
FR931647A (en) * 1945-07-16 1948-02-27 Alsthom Cgee New provision for marking the temperature of windings of electrical devices in oil or other liquid insulation
DE935852C (en) * 1939-04-12 1955-12-01 Siemens Ag Method and device for monitoring the state of the dielectric, in particular the solid dielectric in oil transformers or the like.
DE1175358B (en) * 1963-03-04 1964-08-06 Bbc Brown Boveri & Cie Thermal overload protection device for electrical system parts
GB1153762A (en) * 1967-05-04 1969-05-29 Parsons & Co Ltd C A Improvements in and relating to Temperature Measuring Devices
DE3006854A1 (en) * 1980-02-23 1981-09-03 Rainer Ing.(grad.) 4650 Gelsenkirchen Sanden Cooling system for power-station transformer - has two oil cooling loops with own temp. monitoring

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31685A (en) * 1861-03-12 Table
US3144770A (en) * 1961-01-30 1964-08-18 Gen Electric Means for determining an internal condition in electrical apparatus
GB1161985A (en) * 1966-07-26 1969-08-20 English Electric Co Ltd Device for Determining the Temperature of Electrical Apparatus
US3491597A (en) * 1966-09-20 1970-01-27 Anaconda Wire & Cable Co Temperature monitored cable system and method
US4394635A (en) * 1981-04-16 1983-07-19 General Electric Company Method for determining dissolved gas concentrations in dielectric coolants

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1597771A (en) * 1921-05-11 1926-08-31 Westinghouse Electric & Mfg Co Transformer-cooling system
DE935852C (en) * 1939-04-12 1955-12-01 Siemens Ag Method and device for monitoring the state of the dielectric, in particular the solid dielectric in oil transformers or the like.
FR931647A (en) * 1945-07-16 1948-02-27 Alsthom Cgee New provision for marking the temperature of windings of electrical devices in oil or other liquid insulation
DE1175358B (en) * 1963-03-04 1964-08-06 Bbc Brown Boveri & Cie Thermal overload protection device for electrical system parts
GB1153762A (en) * 1967-05-04 1969-05-29 Parsons & Co Ltd C A Improvements in and relating to Temperature Measuring Devices
DE3006854A1 (en) * 1980-02-23 1981-09-03 Rainer Ing.(grad.) 4650 Gelsenkirchen Sanden Cooling system for power-station transformer - has two oil cooling loops with own temp. monitoring

Also Published As

Publication number Publication date
US4549817A (en) 1985-10-29
JPS59112607A (en) 1984-06-29
DE3370093D1 (en) 1987-04-09
ATA414282A (en) 1985-01-15
EP0111470A2 (en) 1984-06-20
EP0111470B1 (en) 1987-03-04
AT378623B (en) 1985-09-10

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