JP5143868B2 - アーク・フラッシュ検出 - Google Patents

アーク・フラッシュ検出 Download PDF

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Publication number
JP5143868B2
JP5143868B2 JP2010142170A JP2010142170A JP5143868B2 JP 5143868 B2 JP5143868 B2 JP 5143868B2 JP 2010142170 A JP2010142170 A JP 2010142170A JP 2010142170 A JP2010142170 A JP 2010142170A JP 5143868 B2 JP5143868 B2 JP 5143868B2
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JP
Japan
Prior art keywords
light
arc flash
optical
attenuating filter
sensor
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 - Fee Related
Application number
JP2010142170A
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English (en)
Japanese (ja)
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JP2011013215A5 (https=
JP2011013215A (ja
Inventor
ジョージ・ウィリアム・ロスコー
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.)
General Electric Co
Original Assignee
General Electric Co
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Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of JP2011013215A publication Critical patent/JP2011013215A/ja
Publication of JP2011013215A5 publication Critical patent/JP2011013215A5/ja
Application granted granted Critical
Publication of JP5143868B2 publication Critical patent/JP5143868B2/ja
Expired - Fee Related legal-status Critical Current
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H02H1/0015—Using arc detectors
    • H02H1/0023—Using arc detectors sensing non electrical parameters, e.g. by optical, pneumatic, thermal or sonic sensors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP2010142170A 2009-06-30 2010-06-23 アーク・フラッシュ検出 Expired - Fee Related JP5143868B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/494,648 US8223466B2 (en) 2009-06-30 2009-06-30 Arc flash detection
US12/494,648 2009-06-30

Publications (3)

Publication Number Publication Date
JP2011013215A JP2011013215A (ja) 2011-01-20
JP2011013215A5 JP2011013215A5 (https=) 2012-09-27
JP5143868B2 true JP5143868B2 (ja) 2013-02-13

Family

ID=42341645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010142170A Expired - Fee Related JP5143868B2 (ja) 2009-06-30 2010-06-23 アーク・フラッシュ検出

Country Status (6)

Country Link
US (1) US8223466B2 (https=)
EP (1) EP2270944B1 (https=)
JP (1) JP5143868B2 (https=)
KR (1) KR20110001943A (https=)
CN (1) CN101938108B (https=)
CA (1) CA2707781A1 (https=)

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Also Published As

Publication number Publication date
KR20110001943A (ko) 2011-01-06
US8223466B2 (en) 2012-07-17
CN101938108A (zh) 2011-01-05
CA2707781A1 (en) 2010-12-30
US20100328824A1 (en) 2010-12-30
EP2270944A2 (en) 2011-01-05
JP2011013215A (ja) 2011-01-20
EP2270944A3 (en) 2014-05-14
EP2270944B1 (en) 2018-08-08
CN101938108B (zh) 2015-05-20

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