JPS464937A - - Google Patents

Info

Publication number
JPS464937A
JPS464937A JP2240071A JP2240071A JPS464937A JP S464937 A JPS464937 A JP S464937A JP 2240071 A JP2240071 A JP 2240071A JP 2240071 A JP2240071 A JP 2240071A JP S464937 A JPS464937 A JP S464937A
Authority
JP
Japan
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.)
Pending
Application number
JP2240071A
Other languages
Japanese (ja)
Other versions
JPS5028615B1 (en:Method
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 filed Critical
Publication of JPS464937A publication Critical patent/JPS464937A/ja
Publication of JPS5028615B1 publication Critical patent/JPS5028615B1/ja
Pending 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
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Relating To Insulation (AREA)
  • Housings And Mounting Of Transformers (AREA)
JP46022400A 1970-04-16 1971-04-12 Pending JPS5028615B1 (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2916570A 1970-04-16 1970-04-16

Publications (2)

Publication Number Publication Date
JPS464937A true JPS464937A (en:Method) 1971-11-22
JPS5028615B1 JPS5028615B1 (en:Method) 1975-09-17

Family

ID=21847587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46022400A Pending JPS5028615B1 (en:Method) 1970-04-16 1971-04-12

Country Status (2)

Country Link
US (1) US3622872A (en:Method)
JP (1) JPS5028615B1 (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6288867A (ja) * 1985-10-14 1987-04-23 Nippon Sharyo Seizo Kaisha Ltd デイ−ゼル機関車の液体式動力伝達装置

Families Citing this family (55)

* Cited by examiner, † Cited by third party
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US3728619A (en) * 1971-06-21 1973-04-17 Westinghouse Electric Corp Acoustical corona locator having rotatable and pivotable transducers
US4158169A (en) * 1977-12-06 1979-06-12 Westinghouse Electric Corp. Corona testing apparatus including acoustic waveguides for transmitting acoustic emissions from electrical apparatus
US4158168A (en) * 1977-12-06 1979-06-12 Westinghouse Electric Corp. Acoustic waveguides for sensing and locating corona discharges
US4231258A (en) * 1978-01-19 1980-11-04 Tokyo Shibaura Denki Kabushiki Kaisha Method and apparatus for detecting foreign matters in gas sealed electric apparatus
US4245187A (en) * 1979-05-10 1981-01-13 The United States Of America As Represented By The Secretary Of The Navy VLF Capacitor corona detection
USH536H (en) 1986-07-18 1988-10-04 The United States Of America As Represented By The Secretary Of The Army Method of detecting and locating an electrostatic discharge event
US5185687A (en) * 1991-03-28 1993-02-09 Eaton Corporation Chaos sensing arc detection
US5185684A (en) * 1991-03-28 1993-02-09 Eaton Corporation Frequency selective arc detection
US5185686A (en) * 1991-03-28 1993-02-09 Eaton Corporation Direction sensing arc detection
US5206596A (en) * 1991-03-28 1993-04-27 Eaton Corporation Arc detector transducer using an e and b field sensor
US5185685A (en) * 1991-03-28 1993-02-09 Eaton Corporation Field sensing arc detection
US5208542A (en) * 1991-03-28 1993-05-04 Eaton Corporation Timing window arc detection
US5434509A (en) * 1992-07-30 1995-07-18 Blades; Frederick K. Method and apparatus for detecting arcing in alternating-current power systems by monitoring high-frequency noise
US5729145A (en) * 1992-07-30 1998-03-17 Siemens Energy & Automation, Inc. Method and apparatus for detecting arcing in AC power systems by monitoring high frequency noise
US5432455A (en) * 1992-07-30 1995-07-11 Blades; Frederick K. Method and apparatus for detecting arcing in alternating current power systems by monitoring high-frequency noise
US5452223A (en) * 1993-08-20 1995-09-19 Eaton Corporation Arc detection using current variation
SE9404209L (sv) * 1994-12-05 1996-06-06 Abb Research Ltd Förfarande och anordning för lokalisering av partiella urladdningar hos en elektrisk högspänningsapparat
US6246556B1 (en) 1995-03-13 2001-06-12 Square D Company Electrical fault detection system
US6259996B1 (en) 1998-02-19 2001-07-10 Square D Company Arc fault detection system
US6377427B1 (en) 1995-03-13 2002-04-23 Square D Company Arc fault protected electrical receptacle
US6313642B1 (en) 1995-03-13 2001-11-06 Square D Company Apparatus and method for testing an arcing fault detection system
US6532424B1 (en) 1995-03-13 2003-03-11 Square D Company Electrical fault detection circuit with dual-mode power supply
US6242993B1 (en) 1995-03-13 2001-06-05 Square D Company Apparatus for use in arcing fault detection systems
US6034611A (en) * 1997-02-04 2000-03-07 Square D Company Electrical isolation device
US5682101A (en) 1995-03-13 1997-10-28 Square D Company Arcing fault detection system
US6313641B1 (en) 1995-03-13 2001-11-06 Square D Company Method and system for detecting arcing faults and testing such system
US6452767B1 (en) 1995-03-13 2002-09-17 Square D Company Arcing fault detection system for a secondary line of a current transformer
US5825598A (en) * 1997-02-11 1998-10-20 Square D Company Arcing fault detection system installed in a panelboard
US5590012A (en) * 1995-03-30 1996-12-31 Siemens Energy & Automation, Inc. Electric arc detector sensor circuit
AU1469197A (en) * 1995-12-27 1997-07-28 Quiet Power Systems, Inc. Method and apparatus for locating partial discharge in electrical transformers
US5834940A (en) * 1996-09-24 1998-11-10 Brooks; Stanley J. Arcing fault detector testing and demonstration system
US5839092A (en) * 1997-03-26 1998-11-17 Square D Company Arcing fault detection system using fluctuations in current peaks and waveforms
US5847913A (en) * 1997-02-21 1998-12-08 Square D Company Trip indicators for circuit protection devices
US5946179A (en) * 1997-03-25 1999-08-31 Square D Company Electronically controlled circuit breaker with integrated latch tripping
NL1005721C2 (nl) * 1997-04-03 1998-10-07 Kema Nv Werkwijze en inrichting voor het detecteren van partiële ontladingen.
US6362629B1 (en) * 1997-08-14 2002-03-26 Hendry Mechanical Works Electric arc monitoring systems
US6313640B1 (en) * 1998-02-03 2001-11-06 Abb Power T & D Company, Inc. System and method for diagnosing and measuring partial discharge
US6621669B1 (en) 1998-02-19 2003-09-16 Square D Company Arc fault receptacle with a feed-through connection
US6567250B1 (en) 1998-02-19 2003-05-20 Square D Company Arc fault protected device
US6625550B1 (en) 1998-02-19 2003-09-23 Square D Company Arc fault detection for aircraft
US6782329B2 (en) 1998-02-19 2004-08-24 Square D Company Detection of arcing faults using bifurcated wiring system
US5986860A (en) * 1998-02-19 1999-11-16 Square D Company Zone arc fault detection
US6477021B1 (en) 1998-02-19 2002-11-05 Square D Company Blocking/inhibiting operation in an arc fault detection system
US6772077B1 (en) * 1998-08-10 2004-08-03 Hendry Mechanical Works Electric arc monitoring systems
US6104297A (en) * 1999-01-20 2000-08-15 Danilychev; Vladimir A. Corona discharge detection system
US7136265B2 (en) 2001-10-17 2006-11-14 Square D Company Load recognition and series arc detection using bandpass filter signatures
US7151656B2 (en) 2001-10-17 2006-12-19 Square D Company Arc fault circuit interrupter system
US7068480B2 (en) 2001-10-17 2006-06-27 Square D Company Arc detection using load recognition, harmonic content and broadband noise
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
GB0517994D0 (en) * 2005-09-05 2005-10-12 Univ Glasgow High voltage insulation monitoring sensor
US7253637B2 (en) 2005-09-13 2007-08-07 Square D Company Arc fault circuit interrupter system
KR100715200B1 (ko) * 2005-11-17 2007-05-07 삼성전자주식회사 자기력 감지 센서를 이용한 데이터 입력 장치 및 이를이용한 3차원 좌표 산출 방법
KR101051099B1 (ko) * 2008-09-30 2011-07-21 한국전력공사 고전압 전력 기기의 극 초단파 부분 방전 및 방전위치 측정장치
US9046577B2 (en) 2011-04-13 2015-06-02 GM Global Technology Operations LLC Corona and partial discharge diagnostic device and method for using the same
US9304159B2 (en) 2013-01-08 2016-04-05 Eaton Corporation Detection and location of electrical connections having a micro-interface abnormality in an electrical system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3173086A (en) * 1962-07-18 1965-03-09 Gen Electric Apparatus including mechanical vibration detector means for detecting and locating incipient internal faults in electric induction apparatus
US3278892A (en) * 1963-11-04 1966-10-11 Frederick A Kirsten Acoustic spark chamber
US3430136A (en) * 1965-12-21 1969-02-25 Gen Electric Test equipment for identification and location of electrical faults in fluid-filled electric apparatus
US3505597A (en) * 1967-12-13 1970-04-07 Westinghouse Electric Corp Corona testing apparatus including an oscilloscope and mechanical to electrical transducers having signal isolating means therebetween
US3504334A (en) * 1968-10-16 1970-03-31 Stromberg Datagraphix Inc Rectangular coordinate indicating system employing cordless stylus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6288867A (ja) * 1985-10-14 1987-04-23 Nippon Sharyo Seizo Kaisha Ltd デイ−ゼル機関車の液体式動力伝達装置

Also Published As

Publication number Publication date
JPS5028615B1 (en:Method) 1975-09-17
US3622872A (en) 1971-11-23

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