CN111796203A - 一种静止变频器网桥侧单相接地故障的识别方法及装置 - Google Patents
一种静止变频器网桥侧单相接地故障的识别方法及装置 Download PDFInfo
- Publication number
- CN111796203A CN111796203A CN202010492603.3A CN202010492603A CN111796203A CN 111796203 A CN111796203 A CN 111796203A CN 202010492603 A CN202010492603 A CN 202010492603A CN 111796203 A CN111796203 A CN 111796203A
- Authority
- CN
- China
- Prior art keywords
- sequence voltage
- zero sequence
- effective value
- unit
- rotating speed
- 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.)
- Granted
Links
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
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/02—Measuring effective values, i.e. root-mean-square values
-
- 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
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Protection Of Generators And Motors (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010492603.3A CN111796203B (zh) | 2020-06-03 | 2020-06-03 | 一种静止变频器网桥侧单相接地故障的识别方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010492603.3A CN111796203B (zh) | 2020-06-03 | 2020-06-03 | 一种静止变频器网桥侧单相接地故障的识别方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111796203A true CN111796203A (zh) | 2020-10-20 |
CN111796203B CN111796203B (zh) | 2022-08-26 |
Family
ID=72806157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010492603.3A Active CN111796203B (zh) | 2020-06-03 | 2020-06-03 | 一种静止变频器网桥侧单相接地故障的识别方法及装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111796203B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113406948A (zh) * | 2021-06-21 | 2021-09-17 | 合肥美的暖通设备有限公司 | 故障数据处理方法、装置、变频器、空调设备及存储介质 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2716605B1 (de) * | 1977-04-14 | 1978-06-08 | Siemens Ag | Schaltungsanordnung zur Erdschlusserfassung bei einem Stromrichter |
JP2010016982A (ja) * | 2008-07-03 | 2010-01-21 | Mitsubishi Electric Corp | モータ制御装置およびモータ地絡検出方法 |
US20100194324A1 (en) * | 2009-02-03 | 2010-08-05 | General Electric Company | Stator turn fault detection apparatus and method for induction machine |
CN101876681A (zh) * | 2009-04-28 | 2010-11-03 | 沈阳高精数控技术有限公司 | 交流伺服驱动器或低压变频器输出侧接地短路的检测方法 |
CN104113050A (zh) * | 2014-07-17 | 2014-10-22 | 清华大学 | 单相接地故障自愈方法 |
CN207557396U (zh) * | 2017-07-04 | 2018-06-29 | 西安理工大学 | 一种适用于变频系统的小电流单相接地故障选线装置 |
CN108445347A (zh) * | 2018-04-28 | 2018-08-24 | 广东电网有限责任公司 | 一种基于线路等效阻抗值的单相接地故障检测方法 |
CN110596583A (zh) * | 2019-07-09 | 2019-12-20 | 国网江苏省电力有限公司徐州供电分公司 | 一种基于零序电压分析的变频电机定子故障检测系统及其检测方法 |
CN111007359A (zh) * | 2019-12-26 | 2020-04-14 | 积成电子股份有限公司 | 一种配电网单相接地故障识别启动方法及系统 |
-
2020
- 2020-06-03 CN CN202010492603.3A patent/CN111796203B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2716605B1 (de) * | 1977-04-14 | 1978-06-08 | Siemens Ag | Schaltungsanordnung zur Erdschlusserfassung bei einem Stromrichter |
JP2010016982A (ja) * | 2008-07-03 | 2010-01-21 | Mitsubishi Electric Corp | モータ制御装置およびモータ地絡検出方法 |
US20100194324A1 (en) * | 2009-02-03 | 2010-08-05 | General Electric Company | Stator turn fault detection apparatus and method for induction machine |
CN101876681A (zh) * | 2009-04-28 | 2010-11-03 | 沈阳高精数控技术有限公司 | 交流伺服驱动器或低压变频器输出侧接地短路的检测方法 |
CN104113050A (zh) * | 2014-07-17 | 2014-10-22 | 清华大学 | 单相接地故障自愈方法 |
CN207557396U (zh) * | 2017-07-04 | 2018-06-29 | 西安理工大学 | 一种适用于变频系统的小电流单相接地故障选线装置 |
CN108445347A (zh) * | 2018-04-28 | 2018-08-24 | 广东电网有限责任公司 | 一种基于线路等效阻抗值的单相接地故障检测方法 |
CN110596583A (zh) * | 2019-07-09 | 2019-12-20 | 国网江苏省电力有限公司徐州供电分公司 | 一种基于零序电压分析的变频电机定子故障检测系统及其检测方法 |
CN111007359A (zh) * | 2019-12-26 | 2020-04-14 | 积成电子股份有限公司 | 一种配电网单相接地故障识别启动方法及系统 |
Non-Patent Citations (5)
Title |
---|
李毅 等: "变电站常见直流系统接地故障分析", 《科技资讯》 * |
李重阳 等: "深蓄电站背靠工况启动下出口开关低频闭锁回路的优化设计与应用", 《电力自动化》 * |
石祥建 等: "抽水蓄能电站静止变频器综述", 《水电与抽水蓄能》 * |
郑涛 等: "基于电流有效值的静止变频器本体差动保护新方法", 《电力系统保护与控制》 * |
马晋辉 等: "单元级联多电平高压变频器接地保护之探讨", 《电气传动》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113406948A (zh) * | 2021-06-21 | 2021-09-17 | 合肥美的暖通设备有限公司 | 故障数据处理方法、装置、变频器、空调设备及存储介质 |
WO2022267436A1 (zh) * | 2021-06-21 | 2022-12-29 | 合肥美的暖通设备有限公司 | 故障数据处理方法、装置、变频器、空调设备及存储介质 |
CN113406948B (zh) * | 2021-06-21 | 2023-02-03 | 合肥美的暖通设备有限公司 | 故障数据处理方法、装置、变频器、空调设备及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
CN111796203B (zh) | 2022-08-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2833953C (en) | System and method for detecting a grid event | |
CN107132450B (zh) | 一种海上双馈电机定子绕组匝间短路早期故障辨识方法 | |
CN109449899B (zh) | 一种基于斯皮尔曼等级相关系数的纵联保护方法 | |
CN106199424B (zh) | 一种永磁同步电机匝间短路故障诊断方法 | |
US20070005194A1 (en) | System for three-phase voltage detection and protection | |
CN107462764A (zh) | 一种电压暂降检测与刻画的自动分段方法 | |
Yin et al. | Islanding detection using proportional power spectral density | |
CN104375025B (zh) | 中性点不接地的10kV系统中铁磁谐振的诊断方法 | |
Gao et al. | Waveform-based method for fast and accurate identification of subsynchronous resonance events | |
CN106410754A (zh) | 一种缺相检测方法及系统 | |
CN103235260A (zh) | 基于hht的潜油电机转子断条故障识别方法 | |
CN103744023B (zh) | 一种双馈风力发电机定子绕组不对称故障检测方法 | |
CN106786427A (zh) | 基于波形相关的风电场集电线路电流保护方法 | |
CN108614189B (zh) | 双馈风电场送出线三相短路故障方向判断方法及方向元件 | |
CN108278184B (zh) | 基于经验模态分解的风电机组叶轮不平衡监测方法 | |
CN111796203B (zh) | 一种静止变频器网桥侧单相接地故障的识别方法及装置 | |
Hamatwi et al. | Condition monitoring and fault diagnosis of stator and rotor interturn winding faults in a DFIG-based wind turbine system: A Review | |
CN104393809B (zh) | 适用于scr静止变频器的抽水蓄能机组低速位置检测方法 | |
Pietrzak et al. | Stator phase current STFT analysis for the PMSM stator winding fault diagnosis | |
CN106646223A (zh) | 一种三相笼型异步电动机转子断裂导条数目的诊断方法 | |
CN108152680B (zh) | 一种检测直流输电换相失败的方法 | |
Vedreño-Santos et al. | Diagnosis of faults in induction generators under fluctuating load conditions through the instantaneous frequency of the fault components | |
Xia et al. | Fault diagnosis of frequency control system based on FFT | |
CN112485715B (zh) | 一种基于电流零休暂态特征的可靠选线方法及装置 | |
CN114002614A (zh) | 变速抽水蓄能机组转子绕组单相接地故障的判别方法 |
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: 20230712 Address after: 518000 Cotton Tree Drive 6233 Shencun Liuyue Production Operation Management Base 101, Liuyue North Community, Henggang Street, Longgang District, Shenzhen, Guangdong Patentee after: SHENZHEN STORAGE GENERATING Co.,Ltd. Patentee after: SOUTHERN POWER GRID PEAK LOAD AND FREQUENCY REGULATION POWER GENERATION Co.,Ltd. Patentee after: CHINA SOUTHERN POWER GRID Co.,Ltd. Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. Address before: 518115 room 1029, 10th floor, customs building, Qinglin Middle Road, Longcheng, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN STORAGE GENERATING Co.,Ltd. Patentee before: SOUTHERN POWER GRID PEAK LOAD AND FREQUENCY REGULATION POWER GENERATION Co.,Ltd. Patentee before: CHINA SOUTHERN POWER GRID Co.,Ltd. Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. Patentee before: NR ELECTRIC Co.,Ltd. Patentee before: NR ENGINEERING Co.,Ltd. |
|
TR01 | Transfer of patent right |