CN101938108B - 电弧闪光检测器和电力设备保护系统 - Google Patents

电弧闪光检测器和电力设备保护系统 Download PDF

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Publication number
CN101938108B
CN101938108B CN201010226990.2A CN201010226990A CN101938108B CN 101938108 B CN101938108 B CN 101938108B CN 201010226990 A CN201010226990 A CN 201010226990A CN 101938108 B CN101938108 B CN 101938108B
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China
Prior art keywords
arc
optical sensor
light
flash
described optical
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CN201010226990.2A
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Chinese (zh)
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CN101938108A (zh
Inventor
G·W·罗斯克
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ABB AS Norway
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General Electric Co
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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
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CN201010226990.2A 2009-06-30 2010-06-30 电弧闪光检测器和电力设备保护系统 Active CN101938108B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/494648 2009-06-30
US12/494,648 US8223466B2 (en) 2009-06-30 2009-06-30 Arc flash detection

Publications (2)

Publication Number Publication Date
CN101938108A CN101938108A (zh) 2011-01-05
CN101938108B true CN101938108B (zh) 2015-05-20

Family

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CN201010226990.2A Active CN101938108B (zh) 2009-06-30 2010-06-30 电弧闪光检测器和电力设备保护系统

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
JP5143868B2 (ja) 2013-02-13
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

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