CA937668A - Acoustical corona locator having rotatable and pivotable transducers - Google Patents

Acoustical corona locator having rotatable and pivotable transducers

Info

Publication number
CA937668A
CA937668A CA137876A CA137876A CA937668A CA 937668 A CA937668 A CA 937668A CA 137876 A CA137876 A CA 137876A CA 137876 A CA137876 A CA 137876A CA 937668 A CA937668 A CA 937668A
Authority
CA
Canada
Prior art keywords
acoustical
locator
corona
transducers
pivotable
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
CA137876A
Other languages
English (en)
Other versions
CA137876S (en
Inventor
T. Harrold Ronald
J. Carter William
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA937668A publication Critical patent/CA937668A/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
    • H01F27/33—Arrangements for noise damping
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Relating To Insulation (AREA)
CA137876A 1971-06-21 1972-03-23 Acoustical corona locator having rotatable and pivotable transducers Expired CA937668A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15509671A 1971-06-21 1971-06-21

Publications (1)

Publication Number Publication Date
CA937668A true CA937668A (en) 1973-11-27

Family

ID=22554098

Family Applications (1)

Application Number Title Priority Date Filing Date
CA137876A Expired CA937668A (en) 1971-06-21 1972-03-23 Acoustical corona locator having rotatable and pivotable transducers

Country Status (4)

Country Link
US (1) US3728619A (enExample)
BE (1) BE785156A (enExample)
CA (1) CA937668A (enExample)
FR (1) FR2143214B1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR820001828B1 (ko) * 1977-12-06 1982-10-12 에이. 엠. 케네디 2세 전기장치내의 코로나 방전의 감지 및 위치 측정장치
JPS5943375A (ja) * 1982-09-06 1984-03-10 Nippon Soken Inc 音源探査装置
US5012195A (en) * 1989-12-28 1991-04-30 Abb Power T&D Company, Inc. Method for improving the electrical strength of vapor-mist dielectrics
US5530366A (en) * 1994-11-01 1996-06-25 Abb Power T&D Company Inc. Acoustic optical system for partial discharge detection and location
SE9404209L (sv) 1994-12-05 1996-06-06 Abb Research Ltd Förfarande och anordning för lokalisering av partiella urladdningar hos en elektrisk högspänningsapparat
US6104297A (en) * 1999-01-20 2000-08-15 Danilychev; Vladimir A. Corona discharge detection system
RU2187438C2 (ru) * 2000-04-18 2002-08-20 Мрыхин Станислав Дмитриевич Способ и устройство для обнаружения мест повреждения изоляции на контактной сети
US6466034B1 (en) * 2001-05-29 2002-10-15 Powertech Labs Inc. Transformer winding movement detection by high frequency internal response analysis
FR2868845B1 (fr) * 2004-04-13 2006-05-26 Areva T & D Sa Procede de detection et de localisation de source de decharge partielle dans un appareil electrique
CN102183710A (zh) * 2011-03-02 2011-09-14 华北电力大学（保定） 变压器局放源个数辨识方法与系统
CN102866377B (zh) * 2012-09-17 2016-03-09 中国电力科学研究院 变压器局放和定位在线监测组件的检测校验系统及方法
KR101327998B1 (ko) * 2012-11-13 2013-11-13 주식회사 효성 변압기용 부분방전 검출장치 및 이를 구비한 변압기
US9557365B2 (en) 2013-03-14 2017-01-31 Hubbell Incorporated Apparatuses, systems and methods for detecting corona
DE102013104155B4 (de) * 2013-04-24 2015-09-10 Bundesrepublik Deutschland, Vertreten Durch Den Bundesminister Für Wirtschaft Und Energie, Dieser Vertreten Durch Den Präsidenten Der Bundesanstalt Für Materialforschung Und -Prüfung (Bam) Hochspannungseinrichtung mit einem faseroptischen Sensor und Verfahren zum Prüfen einer Isolierung einer derartigen Hochspannungseinrichtung
US9304111B2 (en) * 2013-10-01 2016-04-05 Rockwell Automation Technologies, Inc. Systems and methods for detecting partial discharge in electrical components
CN103995221A (zh) * 2014-05-29 2014-08-20 西安交通大学 用于变压器局部放电定位的超声波接收阵列的定向方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510687A (en) * 1944-11-17 1950-06-06 Rca Corp Brightness control for pulse echo position indicator systems
US2520693A (en) * 1948-04-22 1950-08-29 Rca Corp Direction finder
US3286163A (en) * 1963-01-23 1966-11-15 Chevron Res Method for mapping a salt dome at depth by measuring the travel time of electromagnetic energy emitted from a borehole drilled within the salt dome
US3281764A (en) * 1963-05-16 1966-10-25 United Aircraft Corp Acoustical direction and range finder for helicopters
US3612992A (en) * 1969-09-30 1971-10-12 Westinghouse Electric Corp Corona testing apparatus including energy storage means for indicating time difference between corona signals
US3622872A (en) * 1970-04-16 1971-11-23 Westinghouse Electric Corp Methods and apparatus for detecting and locating corona discharge in high-voltage, fluid-filled electrical inductive apparatus

Also Published As

Publication number Publication date
BE785156A (fr) 1972-12-20
FR2143214A1 (enExample) 1973-02-02
US3728619A (en) 1973-04-17
FR2143214B1 (enExample) 1979-03-30

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