CN109031011B - 基于相电压柱状图的多电平逆变器的开路故障诊断方法 - Google Patents
基于相电压柱状图的多电平逆变器的开路故障诊断方法 Download PDFInfo
- Publication number
- CN109031011B CN109031011B CN201810423873.1A CN201810423873A CN109031011B CN 109031011 B CN109031011 B CN 109031011B CN 201810423873 A CN201810423873 A CN 201810423873A CN 109031011 B CN109031011 B CN 109031011B
- Authority
- CN
- China
- Prior art keywords
- phase
- circuit
- voltage
- characteristic values
- ubn
- 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
- 238000003745 diagnosis Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000010586 diagram Methods 0.000 claims abstract description 24
- 230000000737 periodic effect Effects 0.000 claims abstract description 5
- 238000005070 sampling Methods 0.000 claims description 20
- 238000004364 calculation method Methods 0.000 claims description 12
- 230000007935 neutral effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 2
- 239000004020 conductor Substances 0.000 claims 1
- 238000013528 artificial neural network Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810423873.1A CN109031011B (zh) | 2018-05-07 | 2018-05-07 | 基于相电压柱状图的多电平逆变器的开路故障诊断方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810423873.1A CN109031011B (zh) | 2018-05-07 | 2018-05-07 | 基于相电压柱状图的多电平逆变器的开路故障诊断方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109031011A CN109031011A (zh) | 2018-12-18 |
CN109031011B true CN109031011B (zh) | 2021-04-30 |
Family
ID=64611374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810423873.1A Active CN109031011B (zh) | 2018-05-07 | 2018-05-07 | 基于相电压柱状图的多电平逆变器的开路故障诊断方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109031011B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110058111B (zh) * | 2019-04-22 | 2021-01-15 | 浙江万里学院 | 基于相电压残差的t型三电平逆变器故障诊断方法 |
CN111624514B (zh) * | 2020-07-02 | 2022-08-26 | 南京师范大学 | 一种三电平整流器的开关管短路和开路故障诊断方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103923889A (zh) * | 2014-05-04 | 2014-07-16 | 中国药科大学 | 一种苯乙醛还原酶突变体 |
CN106154103A (zh) * | 2016-08-02 | 2016-11-23 | 江南大学 | 三电平逆变器的开关管开路故障诊断方法 |
-
2018
- 2018-05-07 CN CN201810423873.1A patent/CN109031011B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103923889A (zh) * | 2014-05-04 | 2014-07-16 | 中国药科大学 | 一种苯乙醛还原酶突变体 |
CN106154103A (zh) * | 2016-08-02 | 2016-11-23 | 江南大学 | 三电平逆变器的开关管开路故障诊断方法 |
Non-Patent Citations (3)
Title |
---|
NPC三电平逆变器容错拓扑及其控制研究;陈丹江 等;《控制工程》;20140331;第21卷(第2期);第258-262、267页 * |
基于多神经网络的三电平逆变器器件开路故障诊断方法;陈丹江 等;《电工技术学报》;20130630;第28卷(第6期);第120-126页 * |
基于波形实时分析的动车组三电平逆变器故障诊断技术;陈丹江 等;《电工技术学报》;20140630;第29卷(第6期);第106-113页 * |
Also Published As
Publication number | Publication date |
---|---|
CN109031011A (zh) | 2018-12-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108680818B (zh) | 一种三电平牵引变流器开路故障诊断方法及系统 | |
CN111562517B (zh) | 一种npc三电平逆变器开关管开路故障诊断方法 | |
CN109031177B (zh) | 兼顾逆变器电流传感器故障和功率管开路故障的诊断方法 | |
CN109375029B (zh) | 一种两电平变流器系统开关器件开路故障诊断方法与系统 | |
CN110133538B (zh) | 一种anpc三电平逆变器开路故障诊断方法及实验平台 | |
CN103837791A (zh) | 三电平逆变器多模式故障诊断电路及其诊断方法 | |
CN107656184B (zh) | 一种npc三电平变流器的开关管故障诊断方法 | |
CN104698397A (zh) | 一种多电平逆变器故障诊断方法 | |
WO2021184820A1 (zh) | 一种两电平三相电压源逆变器桥臂开路故障诊断方法 | |
CN110058111B (zh) | 基于相电压残差的t型三电平逆变器故障诊断方法 | |
CN109031011B (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 | |
CN110988742A (zh) | 基于四分位数的模块化多电平换流器开路故障诊断方法 | |
CN112540261B (zh) | 一种快速mmc子模块器件开路故障的检测方法及系统 | |
CN113238170B (zh) | 一种用于电机控制的逆变器开路故障在线诊断方法 | |
CN114114081A (zh) | 基于改进观测器的mmc子模块开路故障诊断与定位方法 | |
CN112198458B (zh) | 一种三相电压源逆变器开路故障实时检测方法和系统 | |
Chand et al. | Open Circuit (OC) and Short Circuit (SC) IGBT switch fault detection in three-phase standalone photovoltaic inverters using shallow neural networks | |
CN112731103A (zh) | 一种双级矩阵变换器的故障诊断方法 | |
de Oliveira et al. | Siamese neural network architecture for fault detection in a voltage source inverter | |
Huang et al. | A diagnosis method for open-circuit faults in NPC three-level inverters based on novel sliding mode observer | |
TWI827218B (zh) | 開關短路診斷方法 | |
KR101501118B1 (ko) | 3레벨 엔피씨 타입 백투백 컨버터의 스위칭 소자 고장진단장치 및 방법 | |
Al-Kaf et al. | Explainable Machine Learning Method for Open Fault Detection of NPC Inverter Using SHAP and LIME | |
Kherif et al. | Fault Diagnosis Method for Cascaded H-bridge Multilevel Inverters under Switching Device Failure | |
Plazas-Rosas et al. | Methods and challenges for the fault detection and diagnosis in power electronic converters: An overview |
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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230531 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 |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240514 Address after: 030000, 2nd Floor, Office Building, No. 39 Zhengyang Street, Taiyuan Tanghuai Industrial Park, Shanxi Comprehensive Reform Demonstration Zone, Taiyuan City, Shanxi Province Patentee after: Shanxi powerlotus Electrical Engineering Co.,Ltd. Country or region after: China 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. Country or region before: China |