CA973932A - Device for detecting corona discharge in an enclosed electric device - Google Patents

Device for detecting corona discharge in an enclosed electric device

Info

Publication number
CA973932A
CA973932A CA185,514A CA185514A CA973932A CA 973932 A CA973932 A CA 973932A CA 185514 A CA185514 A CA 185514A CA 973932 A CA973932 A CA 973932A
Authority
CA
Canada
Prior art keywords
corona discharge
enclosed electric
detecting corona
electric device
detecting
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
CA185,514A
Other versions
CA185514S (en
Inventor
Kunio Takahashi
Hiroshi Kenmochi
Shinichi Menju
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.)
Toshiba Corp
Tokyo Electric Power Company Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Tokyo Shibaura Electric Co Ltd
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 Tokyo Electric Power Co Inc, Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Electric Power Co Inc
Application granted granted Critical
Publication of CA973932A publication Critical patent/CA973932A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear
    • H02B13/065—Means for detecting or reacting to mechanical or electrical defects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G5/00—Installations of bus-bars
    • H02G5/06—Totally-enclosed installations, e.g. in metal casings
    • H02G5/066—Devices for maintaining distance between conductor and enclosure
    • H02G5/068—Devices for maintaining distance between conductor and enclosure being part of the junction between two enclosures
CA185,514A 1972-11-10 1973-11-09 Device for detecting corona discharge in an enclosed electric device Expired CA973932A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47112641A JPS4970183A (en) 1972-11-10 1972-11-10

Publications (1)

Publication Number Publication Date
CA973932A true CA973932A (en) 1975-09-02

Family

ID=14591801

Family Applications (1)

Application Number Title Priority Date Filing Date
CA185,514A Expired CA973932A (en) 1972-11-10 1973-11-09 Device for detecting corona discharge in an enclosed electric device

Country Status (7)

Country Link
US (1) US3869665A (en)
JP (1) JPS4970183A (en)
CA (1) CA973932A (en)
CH (1) CH562452A5 (en)
DE (1) DE2356160A1 (en)
FR (1) FR2206602B1 (en)
GB (1) GB1418589A (en)

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US4451870A (en) * 1981-12-04 1984-05-29 Canadian General Electric Company Limited Capacitive signal coupler

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CH627023A5 (en) * 1978-03-09 1981-12-15 Bbc Brown Boveri & Cie
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US4249126A (en) * 1979-07-02 1981-02-03 Gould Inc. On-line fault locator for gas-insulated conductors with plural detectors
SE456376B (en) * 1983-12-08 1988-09-26 Helmersson Rune ALARM DEVICE IN ISOLATED PIPE SYSTEM
JPS6113509U (en) * 1984-06-25 1986-01-27 株式会社明電舎 closed switchboard
JPS61108976A (en) * 1984-11-01 1986-05-27 Mitsubishi Electric Corp Fault position detector of gas insulating bus
JPS61223567A (en) * 1985-03-29 1986-10-04 Toshiba Corp Fault detector for gas insulated equipment
JPS6425811U (en) * 1987-08-03 1989-02-14
JPH0750147B2 (en) * 1989-06-14 1995-05-31 株式会社日立製作所 Abnormal position locating method and apparatus for gas insulated electrical equipment
JP2618049B2 (en) * 1989-08-25 1997-06-11 三菱電機株式会社 Transformers for optical instruments
NO302494B1 (en) * 1989-10-25 1998-03-09 Hitachi Cable A method for detecting a partial discharge in an electrical power cable insulation
KR100212020B1 (en) * 1990-10-24 1999-08-02 제임스 제이. 키넌 Electric arc and radio frequency spectrum detection.
US5477150A (en) * 1990-10-24 1995-12-19 Hendry Mechanical Works Electric arc and radio frequency spectrum detection
JP2884788B2 (en) * 1991-02-15 1999-04-19 富士電機株式会社 Partial discharge measuring device for resin mold transformer
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
US5185685A (en) * 1991-03-28 1993-02-09 Eaton Corporation Field sensing arc detection
US5206596A (en) * 1991-03-28 1993-04-27 Eaton Corporation Arc detector transducer using an e and b field sensor
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
DE4221865B4 (en) * 1992-07-03 2006-01-12 Abb Research Ltd. Sensor for decoupling partial discharge pulses from a high voltage electrical system
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
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
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
US5365177A (en) * 1993-03-10 1994-11-15 Honeywell Inc. Apparatus for measurement of high frequency corona discharges in electrical components
US5452223A (en) * 1993-08-20 1995-09-19 Eaton Corporation Arc detection using current variation
DE19507032A1 (en) * 1995-03-01 1996-09-05 Abb Management Ag Partial discharge measuring device
US6313642B1 (en) 1995-03-13 2001-11-06 Square D Company Apparatus and method for testing an arcing fault detection system
US6242993B1 (en) 1995-03-13 2001-06-05 Square D Company Apparatus for use in arcing fault detection systems
US6259996B1 (en) 1998-02-19 2001-07-10 Square D Company Arc fault detection 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
US6532424B1 (en) 1995-03-13 2003-03-11 Square D Company Electrical fault detection circuit with dual-mode power supply
US6313641B1 (en) 1995-03-13 2001-11-06 Square D Company Method and system for detecting arcing faults and testing such system
US5682101A (en) 1995-03-13 1997-10-28 Square D Company Arcing fault detection system
US6034611A (en) * 1997-02-04 2000-03-07 Square D Company Electrical isolation device
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
US5590012A (en) * 1995-03-30 1996-12-31 Siemens Energy & Automation, Inc. Electric arc detector sensor circuit
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EP0825447B1 (en) * 1996-08-23 2008-04-02 ABB Schweiz AG Measuring device for a metal-encapsulated gas-insulated high voltage installation
US5834940A (en) * 1996-09-24 1998-11-10 Brooks; Stanley J. Arcing fault detector testing and demonstration system
US5946179A (en) * 1997-03-25 1999-08-31 Square D Company Electronically controlled circuit breaker with integrated latch tripping
US5847913A (en) * 1997-02-21 1998-12-08 Square D Company Trip indicators for circuit protection devices
US5839092A (en) * 1997-03-26 1998-11-17 Square D Company Arcing fault detection system using fluctuations in current peaks and waveforms
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
US6782329B2 (en) 1998-02-19 2004-08-24 Square D Company Detection of arcing faults using bifurcated wiring system
US6477021B1 (en) 1998-02-19 2002-11-05 Square D Company Blocking/inhibiting operation in an arc fault detection system
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
US6104297A (en) * 1999-01-20 2000-08-15 Danilychev; Vladimir A. Corona discharge detection system
JP4157636B2 (en) * 1999-01-28 2008-10-01 株式会社日立製作所 Partial discharge diagnostic equipment for gas insulation equipment
US6566887B2 (en) 2000-06-07 2003-05-20 Cirris Systems Corporation Method and device for detecting and locating insulation/isolation defects between conductors
US7136265B2 (en) * 2001-10-17 2006-11-14 Square D Company Load recognition and series arc detection using bandpass filter signatures
US7068480B2 (en) 2001-10-17 2006-06-27 Square D Company Arc detection using load recognition, harmonic content and broadband noise
US7151656B2 (en) 2001-10-17 2006-12-19 Square D Company Arc fault circuit interrupter system
EP1495706B1 (en) * 2003-07-10 2013-05-01 Black & Decker Inc. Vacuum cleaner
US7253637B2 (en) 2005-09-13 2007-08-07 Square D Company Arc fault circuit interrupter system

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US2996664A (en) * 1958-01-20 1961-08-15 Allis Chalmers Mfg Co Corona detector
US3524133A (en) * 1966-09-09 1970-08-11 Gen Electric Static state voltage and current monitoring device for electric power cable terminations
US3513394A (en) * 1968-06-21 1970-05-19 Gen Electric Insulated voltage source for high voltage conductor terminations
US3524178A (en) * 1968-12-18 1970-08-11 Gen Electric Voltage indicator and test device
JPS5237809U (en) * 1976-05-22 1977-03-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451870A (en) * 1981-12-04 1984-05-29 Canadian General Electric Company Limited Capacitive signal coupler

Also Published As

Publication number Publication date
JPS4970183A (en) 1974-07-06
FR2206602A1 (en) 1974-06-07
FR2206602B1 (en) 1978-11-17
GB1418589A (en) 1975-12-24
CH562452A5 (en) 1975-05-30
US3869665A (en) 1975-03-04
DE2356160A1 (en) 1974-05-16
DE2356160B2 (en) 1975-06-19
AU6226773A (en) 1975-05-08

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