JPS5028615B1 - - Google Patents

Info

Publication number
JPS5028615B1
JPS5028615B1 JP46022400A JP2240071A JPS5028615B1 JP S5028615 B1 JPS5028615 B1 JP S5028615B1 JP 46022400 A JP46022400 A JP 46022400A JP 2240071 A JP2240071 A JP 2240071A JP S5028615 B1 JPS5028615 B1 JP S5028615B1
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
JP46022400A
Other versions
JPS464937A (ja
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 (ja)

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 JPS464937A (ja) 1971-11-22
JPS5028615B1 true JPS5028615B1 (ja) 1975-09-17

Family

ID=21847587

Family Applications (1)

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

Country Status (2)

Country Link
US (1) US3622872A (ja)
JP (1) JPS5028615B1 (ja)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728619A (en) * 1971-06-21 1973-04-17 Westinghouse Electric Corp Acoustical corona locator having rotatable and pivotable transducers
US4158168A (en) * 1977-12-06 1979-06-12 Westinghouse Electric Corp. Acoustic waveguides for sensing and locating corona discharges
US4158169A (en) * 1977-12-06 1979-06-12 Westinghouse Electric Corp. Corona testing apparatus including acoustic waveguides for transmitting acoustic emissions from electrical apparatus
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
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
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
US5208542A (en) * 1991-03-28 1993-05-04 Eaton Corporation Timing window arc detection
US5206596A (en) * 1991-03-28 1993-04-27 Eaton Corporation Arc detector transducer using an e and b field sensor
US5185684A (en) * 1991-03-28 1993-02-09 Eaton Corporation Frequency selective arc detection
US5185685A (en) * 1991-03-28 1993-02-09 Eaton Corporation Field sensing arc detection
US5185686A (en) * 1991-03-28 1993-02-09 Eaton Corporation Direction sensing arc detection
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
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
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
US5682101A (en) 1995-03-13 1997-10-28 Square D Company Arcing fault detection system
US6246556B1 (en) 1995-03-13 2001-06-12 Square D Company Electrical fault detection system
US6377427B1 (en) 1995-03-13 2002-04-23 Square D Company Arc fault protected electrical receptacle
US6313641B1 (en) 1995-03-13 2001-11-06 Square D Company Method and system for detecting arcing faults and testing such system
US6034611A (en) * 1997-02-04 2000-03-07 Square D Company Electrical isolation device
US6313642B1 (en) 1995-03-13 2001-11-06 Square D Company Apparatus and method for testing an arcing fault detection system
US6259996B1 (en) 1998-02-19 2001-07-10 Square D Company Arc fault detection system
US6532424B1 (en) 1995-03-13 2003-03-11 Square D Company Electrical fault detection circuit with dual-mode power supply
US6452767B1 (en) 1995-03-13 2002-09-17 Square D Company Arcing fault detection system for a secondary line of a current transformer
US6242993B1 (en) 1995-03-13 2001-06-05 Square D Company Apparatus for use in arcing fault detection systems
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
WO1997024742A1 (en) * 1995-12-27 1997-07-10 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
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
US5839092A (en) * 1997-03-26 1998-11-17 Square D Company Arcing fault detection system using fluctuations in current peaks and waveforms
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
US6477021B1 (en) 1998-02-19 2002-11-05 Square D Company Blocking/inhibiting operation in an arc fault detection system
US6782329B2 (en) 1998-02-19 2004-08-24 Square D Company Detection of arcing faults using bifurcated wiring system
US6567250B1 (en) 1998-02-19 2003-05-20 Square D Company Arc fault protected device
US6621669B1 (en) 1998-02-19 2003-09-16 Square D Company Arc fault receptacle with a feed-through connection
US6625550B1 (en) 1998-02-19 2003-09-23 Square D Company Arc fault detection for aircraft
US5986860A (en) * 1998-02-19 1999-11-16 Square D Company Zone arc fault detection
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
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
US7136265B2 (en) 2001-10-17 2006-11-14 Square D Company Load recognition and series arc detection using bandpass filter signatures
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

Also Published As

Publication number Publication date
JPS464937A (ja) 1971-11-22
US3622872A (en) 1971-11-23

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