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[미국특허] Method and apparatus for detecting arcing in AC power systems by monitoring high frequency noise 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01R-031/08
  • G01R-019/00
출원번호 US-0433717 (1995-05-02)
발명자 / 주소
  • Blades Frederick K.
출원인 / 주소
  • Siemens Energy & Automation, Inc.
인용정보 피인용 횟수 : 151  인용 특허 : 39

초록

Arcing in an AC power system is detected by monitoring the power waveform for wideband high-frequency noise, and examining the detected noise for patterns of variation in its amplitude synchronized to the power waveform. A narrowband, swept-frequency detector and synchronous averaging may be employe

대표청구항

[ What is claimed is:] [34.] Apparatus for detecting contact arcing in an electrical network having AC power supply lines, such that arcing in the network superimposes wide bandwidth high frequency noise on the power supply lines, the amplitude of the superimposed noise exhibiting patterns of regula

이 특허에 인용된 특허 (39) 인용/피인용 타임라인 분석

  1. Russell B. Don (College Station TX) Aucoin B. Michael (College Station TX), ARC spectral analysis system.
  2. Rowe ; Don H. ; Sasnett ; Michael W., Arc detection and control apparatus.
  3. Ragsdale Charles W. (Concord CA), Arc detection system.
  4. Renn Charles F. (Defiance OH) Koeller William J. (Defiance OH), Arc detector for electric rod furnace.
  5. Beihoff Bruce C. (Wauwatosa WI) Tennies Charles J. (Waukesha WI) Hastings Jerome K. (Sussex WI), Arc detector transducer using an E and B field sensor.
  6. Rivera Neftali (Vienna VA), Arcing fault detector.
  7. Bayer Robert S. (West Milford NJ), Capacitive intrusion detector circuitry utilizing reference oscillator drift.
  8. Beihoff Bruce C. (Wauwatosa WI) Tennies Charles J. (Waukesha WI) Richards ; Jr. Francis S. (Germantown WI) O\Neil Walter K. (Birmingham MI), Chaos sensing arc detection.
  9. Davis Richard Kent (Salem VA), Current limit and overcurrent cut off system.
  10. Spencer George A. (Rte. 2 ; Box 158-B8 Plano TX 75074), Current rating verification system.
  11. Hansen James E. (Oak Creek WI) Beihoff Bruce C. (Wauwatosa WI) Tennies Charles J. (Waukesha WI) Richards ; Jr. Francis S. (Germantown WI), Direction sensing arc detection.
  12. Seitz Forrest S. (Beaverton OR), Distinguishing power line arcing from RF emissions.
  13. Van Zeeland Donald L. (Franklin WI) Schuchmann Russell P. (Racine WI), Dormant oscillator ground to neutral protection for ground fault interrupters.
  14. Dollar ; II Charles R. (Norcross GA), Electric arc detector sensor circuit.
  15. Boksiner Jeffrey (Landing NJ) Silverman Edward J. (Rockaway NJ), Electrical cable arcing fault detection by monitoring power spectrum in distribution line.
  16. O\Shea Martin W. (Manchaug MA), Electromagnetic noise source locator.
  17. MacKenzie Raymond W. (Baldwin Boro PA) Engel Joseph C. (Monroeville Boro PA), Electronic circuit breaker with protection against sputtering arc faults and ground faults.
  18. Moser Richard A. (Toledo OH) Schaffer J. Thomas (Temperance MI) Weinstein Richard (Toledo OH), Electrostatic voltage control circuit.
  19. Taarning Claus E. (Copenhagen DKX), Fast-acting spark-over detector.
  20. Tennies Charles J. (Waukesha WI) Beihoff Bruce C. (Wauwatosa WI) Hastings Jerome K. (Sussex WI) Clarey Robert J. (Brookfield WI) O\Neil Walter K. (Birmingham WI), Field sensing arc detection.
  21. Beihoff Bruce C. (Wauwatosa WI) Tennies Charles J. (Waukesha WI) Richards ; Jr. Francis S. (Germantown MI WI) O\Neil Walter K. (Birmingham MI), Frequency selective arc detection.
  22. Legatti Raymond (Clearwater FL), Ground fault current interrupter circuit with arcing protection.
  23. Russell ; Jr. B. Don (Bryan TX), High impedance fault detection apparatus and method.
  24. Joy Edward B. (Stone Mountain GA) Meliopoulos Athanasios P. (Decatur GA) Webb Roger P. (Marietta GA), Method and apparatus for cable conductor shield fault detection.
  25. Johns Allan T. (Swindon GB2), Method and apparatus for detecting and discriminating faults in transmission circuits.
  26. Blades Frederick K. (2450 Fourmile Canyon Boulder CO 80302), Method and apparatus for detecting arcing in alternating current power systems by monitoring high-frequency noise.
  27. Blades Frederick K. (2450 Four Mile Canyon Boulder CO 80302), Method and apparatus for detecting arcing in alternating-current power systems by monitoring high-frequency noise.
  28. Blades Frederick K. (2450 Fourmile Canyon Boulder CO 80302), Method and apparatus for detecting arcing in electrical connections by monitoring high frequency noise.
  29. Strickland, Brian R.; Edlin, George R.; Easterbrook, Calvin C.; Roberts, Thomas G., Method of detecting and locating an electrostatic discharge event.
  30. Nicolas Bernard (Avon FRX), Overcurrent protection device.
  31. Fam Wagih Z. (Halifax CAX), Poynting vector probe for measuring electrical power.
  32. Franklin Frederick F. (3501 Tiffany Ridge Cincinnati OH 45241), Protective circuits and devices for the prevention of fires.
  33. Cooper John H. (Murrysville PA) South William H. (McKeesport PA), Protective relay circuit for detecting arcing faults on low-voltage spot networks.
  34. Emery Franklin T. (Pittsburgh PA) Harrold Ronald T. (Murrysville Boro PA), System and method for arc detection in dynamoelectric machines.
  35. Emery Franklin T. (Pittsburgh PA) Harrold Ronald T. (Murrysville Boro PA), System and method for detecting arcing in dynamoelectric machines.
  36. Doerfler Rudolf (Erlangen DEX) Krause Kurt (Berlin DEX) Kummerow Gerd (Berlin DEX) Moerman Boudewijn (Dormitz NLX) Schnabel Rudolf (Fuerth DEX) Schroether Gerhard (Amberg DEX) Voigt Rolf (Munich DEX), System for monitoring the operating condition of a switch to prevent overstress.
  37. Tennies Charles J. (Waukesha WI) Beihoff Bruce C. (Wauwatosa WI) Hansen James E. (Oak Creek WI), Timing window arc detection.
  38. Spencer George A. (1909 Fresno Rd. Plano TX 75074), Trip delay override for electrical circuit breakers.
  39. Wagner Neal K. (Pine Valley CA) Davis Neil M. (San Diego CA), VLF Capacitor corona detection.

이 특허를 인용한 특허 (151) 인용/피인용 타임라인 분석

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