CN107271808B - 基于红外热成像技术的多电平逆变器故障诊断方法 - Google Patents
基于红外热成像技术的多电平逆变器故障诊断方法 Download PDFInfo
- Publication number
- CN107271808B CN107271808B CN201710346572.9A CN201710346572A CN107271808B CN 107271808 B CN107271808 B CN 107271808B CN 201710346572 A CN201710346572 A CN 201710346572A CN 107271808 B CN107271808 B CN 107271808B
- Authority
- CN
- China
- Prior art keywords
- hot spot
- gray scale
- image
- value
- rectangle
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000001931 thermography Methods 0.000 title claims abstract description 30
- 238000012545 processing Methods 0.000 claims abstract description 32
- 238000003745 diagnosis Methods 0.000 claims abstract description 30
- 238000011156 evaluation Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000004422 calculation algorithm Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000013528 artificial neural network Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000002405 diagnostic procedure Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000012774 diagnostic algorithm Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0066—Radiation pyrometry, e.g. infrared or optical thermometry for hot spots detection
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0096—Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/265—Contactless testing
- G01R31/2656—Contactless testing using non-ionising electromagnetic radiation, e.g. optical radiation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/27—Testing of devices without physical removal from the circuit of which they form part, e.g. compensating for effects surrounding elements
-
- 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
- G06T7/0008—Industrial image inspection checking presence/absence
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/136—Segmentation; Edge detection involving thresholding
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
-
- 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
- G06T2207/10—Image acquisition modality
- G06T2207/10048—Infrared image
-
- 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
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30164—Workpiece; Machine component
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Quality & Reliability (AREA)
- Radiation Pyrometers (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710346572.9A CN107271808B (zh) | 2017-05-17 | 2017-05-17 | 基于红外热成像技术的多电平逆变器故障诊断方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710346572.9A CN107271808B (zh) | 2017-05-17 | 2017-05-17 | 基于红外热成像技术的多电平逆变器故障诊断方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107271808A CN107271808A (zh) | 2017-10-20 |
CN107271808B true CN107271808B (zh) | 2019-06-11 |
Family
ID=60064436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710346572.9A Active CN107271808B (zh) | 2017-05-17 | 2017-05-17 | 基于红外热成像技术的多电平逆变器故障诊断方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107271808B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109901003B (zh) * | 2017-12-11 | 2022-08-09 | 中国电力科学研究院有限公司 | 一种逆变器功率故障检测方法及*** |
CN111983508B (zh) * | 2020-07-09 | 2021-10-08 | 华中科技大学 | T-type三相四线整流器故障实时检测与定位方法、*** |
CN117113157B (zh) * | 2023-10-23 | 2024-02-09 | 国网安徽省电力有限公司合肥供电公司 | 一种基于人工智能的台区用电故障检测*** |
CN117613822B (zh) * | 2024-01-18 | 2024-04-09 | 深圳市科沃电气技术有限公司 | 变频器快速停机方法、装置、设备及存储介质 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0652445A2 (en) * | 1993-11-08 | 1995-05-10 | Honda Giken Kogyo Kabushiki Kaisha | Apparatus for inspecting electric components for inverter circuit |
US5483167A (en) * | 1992-09-08 | 1996-01-09 | Mitsubishi Denki Kabushiki Kaisha | Computer controlled ground detecting method for inverter unit and apparatus therefor |
CN102937688A (zh) * | 2012-10-30 | 2013-02-20 | 浙江万里学院 | 二极管中点钳位三电平逆变器的器件开路故障诊断电路 |
CN103837791A (zh) * | 2014-03-20 | 2014-06-04 | 上海应用技术学院 | 三电平逆变器多模式故障诊断电路及其诊断方法 |
CN104698397A (zh) * | 2015-03-16 | 2015-06-10 | 浙江万里学院 | 一种多电平逆变器故障诊断方法 |
CN105157845A (zh) * | 2015-07-10 | 2015-12-16 | 江苏省电力公司苏州供电公司 | 基于红外成像测温的电力设备故障分析与诊断方法及*** |
CN106124949A (zh) * | 2016-08-30 | 2016-11-16 | 国网山东省电力公司济南供电公司 | 一种基于热红外成像技术对绝缘子故障在线监测方法 |
-
2017
- 2017-05-17 CN CN201710346572.9A patent/CN107271808B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5483167A (en) * | 1992-09-08 | 1996-01-09 | Mitsubishi Denki Kabushiki Kaisha | Computer controlled ground detecting method for inverter unit and apparatus therefor |
EP0652445A2 (en) * | 1993-11-08 | 1995-05-10 | Honda Giken Kogyo Kabushiki Kaisha | Apparatus for inspecting electric components for inverter circuit |
CN102937688A (zh) * | 2012-10-30 | 2013-02-20 | 浙江万里学院 | 二极管中点钳位三电平逆变器的器件开路故障诊断电路 |
CN103837791A (zh) * | 2014-03-20 | 2014-06-04 | 上海应用技术学院 | 三电平逆变器多模式故障诊断电路及其诊断方法 |
CN104698397A (zh) * | 2015-03-16 | 2015-06-10 | 浙江万里学院 | 一种多电平逆变器故障诊断方法 |
CN105157845A (zh) * | 2015-07-10 | 2015-12-16 | 江苏省电力公司苏州供电公司 | 基于红外成像测温的电力设备故障分析与诊断方法及*** |
CN106124949A (zh) * | 2016-08-30 | 2016-11-16 | 国网山东省电力公司济南供电公司 | 一种基于热红外成像技术对绝缘子故障在线监测方法 |
Also Published As
Publication number | Publication date |
---|---|
CN107271808A (zh) | 2017-10-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107271808B (zh) | 基于红外热成像技术的多电平逆变器故障诊断方法 | |
CN109149982B (zh) | 模块化电平换流器功率模块可靠性评估方法 | |
Abadi et al. | Method to diagnose open‐circuit faults in active power switches and clamp‐diodes of three‐level neutral‐point clamped inverters | |
CN104698397B (zh) | 一种多电平逆变器故障诊断方法 | |
CN110133423B (zh) | 一种单相级联h桥整流器开关管开路故障诊断方法 | |
CN103728514B (zh) | 一种低压变频器故障诊断方法 | |
CN103837791A (zh) | 三电平逆变器多模式故障诊断电路及其诊断方法 | |
CN113159077A (zh) | 一种基于混合卷积神经网络的三相逆变器故障识别方法 | |
CN111562517B (zh) | 一种npc三电平逆变器开关管开路故障诊断方法 | |
CN107766638B (zh) | 一种动车组四象限脉冲整流器igbt开路故障诊断方法 | |
CN101793928A (zh) | 移相全桥变换器实时故障诊断方法及*** | |
CN106383289B (zh) | 开关磁阻电机功率变换器相关性分析故障诊断方法 | |
Gonçalves et al. | Fault‐tolerant predictive power control of a DFIG for wind energy applications | |
CN110058111A (zh) | 基于相电压残差的t型三电平逆变器故障诊断方法 | |
CN110609194B (zh) | 基于电压空间矢量的三相整流器开路故障诊断方法 | |
Chen et al. | Multiple open-circuit fault diagnosis method in NPC rectifiers using fault injection strategy | |
CN111010087B (zh) | 一种光伏组串中失配组件的定位方法、装置及光伏*** | |
Husari et al. | Stator turn fault diagnosis and severity assessment in converter-fed induction motor using flat diagnosis structure based on deep learning approach | |
Zhang et al. | A multiple open-circuit fault diagnosis method for two-level three-phase voltage source converters based on average-phase voltage model | |
CN111983420B (zh) | 一种基于三相可控硅调压电路的单管开路故障诊断方法 | |
Babel et al. | Condition monitoring and failure prognosis of IGBT inverters based on on-line characterization | |
Chen et al. | Detection of IGBT degradation in NPC inverter based on infrared thermography | |
CN109031011A (zh) | 基于相电压柱状图的多电平逆变器的开路故障诊断方法 | |
CN108107378A (zh) | 用于功率模块的诊断电路与方法 | |
CN111506993A (zh) | 一种换相失败保护的现场测试方法及*** |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230613 Address after: 230000 Room 203, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Hefei Jiuzhou Longteng scientific and technological achievement transformation Co.,Ltd. Address before: 315100, Qian 8, Yinzhou District, Ningbo, Zhejiang, Hunan Road Patentee before: ZHEJIANG WANLI University Effective date of registration: 20230613 Address after: 710000 Room 2, Plant 9, Xianning East Road, Chanba Ecotope, Xi'an, Shaanxi Patentee after: Shaanxi Donghao Electric Power Engineering Co.,Ltd. Address before: 230000 Room 203, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Hefei Jiuzhou Longteng scientific and technological achievement transformation Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Fault diagnosis method for multi-level inverters based on infrared thermal imaging technology Granted publication date: 20190611 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Donghao Electric Power Engineering Co.,Ltd. Registration number: Y2024980011636 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |