CN106530302A - 基于小波变换的变压器故障诊断方法 - Google Patents
基于小波变换的变压器故障诊断方法 Download PDFInfo
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- CN106530302A CN106530302A CN201611144857.6A CN201611144857A CN106530302A CN 106530302 A CN106530302 A CN 106530302A CN 201611144857 A CN201611144857 A CN 201611144857A CN 106530302 A CN106530302 A CN 106530302A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000003745 diagnosis Methods 0.000 title claims abstract description 13
- 230000008569 process Effects 0.000 claims description 8
- 230000009466 transformation Effects 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 230000002123 temporal effect Effects 0.000 claims description 3
- 230000007812 deficiency Effects 0.000 abstract description 3
- 238000010183 spectrum analysis Methods 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20048—Transform domain processing
- G06T2207/20064—Wavelet transform [DWT]
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CN201611144857.6A CN106530302A (zh) | 2016-12-13 | 2016-12-13 | 基于小波变换的变压器故障诊断方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109886063A (zh) * | 2018-11-22 | 2019-06-14 | 国网宁夏电力有限公司检修公司 | 基于小波时频图处理的有载调压开关振动故障诊断方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090222228A1 (en) * | 2005-09-14 | 2009-09-03 | Gao Robert X | Multi-scale enveloping spectrogram signal processing for condition monitoring and the like |
CN102141403A (zh) * | 2010-12-17 | 2011-08-03 | 北京航空航天大学 | 基于小波阈值去噪、中值滤波和均值滤波的实时混合去噪方法 |
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2016
- 2016-12-13 CN CN201611144857.6A patent/CN106530302A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090222228A1 (en) * | 2005-09-14 | 2009-09-03 | Gao Robert X | Multi-scale enveloping spectrogram signal processing for condition monitoring and the like |
CN102141403A (zh) * | 2010-12-17 | 2011-08-03 | 北京航空航天大学 | 基于小波阈值去噪、中值滤波和均值滤波的实时混合去噪方法 |
Non-Patent Citations (2)
Title |
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吕瑞兰 等: "采用不同小波母函数的阈值去噪方法性能分析", 《光谱学与光谱分析》 * |
颜秋容 等: "基于小波理论的电力变压器振动信号特征研究", 《高电压技术》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109886063A (zh) * | 2018-11-22 | 2019-06-14 | 国网宁夏电力有限公司检修公司 | 基于小波时频图处理的有载调压开关振动故障诊断方法 |
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Inventor after: Zhang Chi Inventor after: Fu Xiaofei Inventor after: Chen Xin Inventor after: Ji Kunhua Inventor after: Liao Tianming Inventor after: Zhou Guliang Inventor after: Sheng Hui Inventor after: Chen Junwu Inventor after: Qiu Xiwei Inventor before: Zhang Chi Inventor before: Fu Xiaofei Inventor before: Chen Junwu Inventor before: Chen Xin Inventor before: Sheng Hui |
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Application publication date: 20170322 |
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