CN109540834A - 一种电缆老化监测方法及系统 - Google Patents
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 44
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- 238000001328 terahertz time-domain spectroscopy Methods 0.000 claims abstract description 14
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- 238000002834 transmittance Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 15
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation
- G01N21/3586—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation by Terahertz time domain spectroscopy [THz-TDS]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- 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
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2617—Measuring dielectric properties, e.g. constants
- G01R27/2682—Measuring dielectric properties, e.g. constants using optical methods or electron beams
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8472—Investigation of composite materials
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111189797A (zh) * | 2020-01-10 | 2020-05-22 | 深圳市太赫兹科技创新研究院有限公司 | 塑料老化分析方法及装置 |
CN111766046A (zh) * | 2020-06-02 | 2020-10-13 | 武汉烽理光电技术有限公司 | 一种光纤布拉格光栅退火老化智能监控方法及系统 |
CN112557843A (zh) * | 2020-11-24 | 2021-03-26 | 西南交通大学 | 一种xlpe电缆绝缘层水树老化程度的评估方法 |
CN113310595A (zh) * | 2021-05-10 | 2021-08-27 | 湖北工业大学 | 一种检测xlpe电缆绝缘性能的装置及方法 |
CN114062302A (zh) * | 2021-09-27 | 2022-02-18 | 国网河北省电力有限公司雄安新区供电公司 | 用于太赫兹成像检测的配网自主巡检方法 |
CN114397265A (zh) * | 2022-01-14 | 2022-04-26 | 云南电网有限责任公司电力科学研究院 | 一种基于太赫兹光谱的交联聚乙烯老化分析方法及装置 |
CN115376219A (zh) * | 2022-06-28 | 2022-11-22 | 广州番禺电缆集团有限公司 | 电缆绝缘层破损的巡检装置、方法、电子设备及存储介质 |
CN115400369A (zh) * | 2022-08-03 | 2022-11-29 | 国网湖北省电力有限公司黄石供电公司 | 一种基于多传感器融合的电缆消防联动系统 |
WO2023026418A1 (ja) * | 2021-08-25 | 2023-03-02 | 日本電信電話株式会社 | 劣化を判定する装置、システム及び方法 |
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CN105226556A (zh) * | 2015-09-23 | 2016-01-06 | 深圳奥特迅电力设备股份有限公司 | 一种电力巡线装置及方法 |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111189797A (zh) * | 2020-01-10 | 2020-05-22 | 深圳市太赫兹科技创新研究院有限公司 | 塑料老化分析方法及装置 |
CN111766046A (zh) * | 2020-06-02 | 2020-10-13 | 武汉烽理光电技术有限公司 | 一种光纤布拉格光栅退火老化智能监控方法及系统 |
CN112557843A (zh) * | 2020-11-24 | 2021-03-26 | 西南交通大学 | 一种xlpe电缆绝缘层水树老化程度的评估方法 |
CN112557843B (zh) * | 2020-11-24 | 2021-08-13 | 西南交通大学 | 一种xlpe电缆绝缘层水树老化程度的评估方法 |
CN113310595A (zh) * | 2021-05-10 | 2021-08-27 | 湖北工业大学 | 一种检测xlpe电缆绝缘性能的装置及方法 |
WO2023026418A1 (ja) * | 2021-08-25 | 2023-03-02 | 日本電信電話株式会社 | 劣化を判定する装置、システム及び方法 |
CN114062302A (zh) * | 2021-09-27 | 2022-02-18 | 国网河北省电力有限公司雄安新区供电公司 | 用于太赫兹成像检测的配网自主巡检方法 |
CN114397265A (zh) * | 2022-01-14 | 2022-04-26 | 云南电网有限责任公司电力科学研究院 | 一种基于太赫兹光谱的交联聚乙烯老化分析方法及装置 |
CN115376219A (zh) * | 2022-06-28 | 2022-11-22 | 广州番禺电缆集团有限公司 | 电缆绝缘层破损的巡检装置、方法、电子设备及存储介质 |
CN115400369A (zh) * | 2022-08-03 | 2022-11-29 | 国网湖北省电力有限公司黄石供电公司 | 一种基于多传感器融合的电缆消防联动系统 |
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