DK2702374T3 - Fremgangsmåde til overvågning af afmagnetisering - Google Patents
Fremgangsmåde til overvågning af afmagnetisering Download PDFInfo
- Publication number
- DK2702374T3 DK2702374T3 DK12718633.6T DK12718633T DK2702374T3 DK 2702374 T3 DK2702374 T3 DK 2702374T3 DK 12718633 T DK12718633 T DK 12718633T DK 2702374 T3 DK2702374 T3 DK 2702374T3
- Authority
- DK
- Denmark
- Prior art keywords
- vibration
- stator
- fault
- permanent magnet
- faults
- Prior art date
Links
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
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Claims (4)
1. Fremgangsmåde til overvågning af afmagnetisering af permanente magneter i en synkron maskine, såsom en vindkraftgenerator, der har en stator med viklinger og en rotor med permanente magneter, som er indrettet til at rotere i forhold til statoren, hvilken fremgangsmåde udføres under drift af den synkrone maskine, og hvilken fremgangsmåde omfatter følgende trin: Måling af statorens vibration, udførelse af frekvensanalyse af vibrationen, bestemmelse af, på grundlag af om vibrationens styrke ved statorens forsyningsfrekvens (f s) overskrider en tærskelværdi eller ej, hvorvidt maskinen oplever afmagnetisering af en permanent magnet eller ej.
2. Fremgangsmåde ifølge krav 1, hvor fremgangsmåden endvidere omfatter følgende trin: bestemmelse af, på grundlag af om vibrationens styrke ved statorens rotationsfrekvens (fR) overskrider en tærskelværdi eller ej, hvorvidt maskinen oplever afmagnetisering af en permanent magnet eller ej.
3. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 2, hvor vibrationsmålingen indbefatter detektering af vibrationer ved hjælp af en vibrationssensor, der er fastgjort til en ramme på statoren eller er fastgjort til statoren.
4. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 3, hvor maskinen er en synkron generator med permanente magneter.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11164289A EP2518456A1 (en) | 2011-04-29 | 2011-04-29 | Method for monitoring demagnetization |
PCT/EP2012/057555 WO2012146613A1 (en) | 2011-04-29 | 2012-04-25 | Method for monitoring demagnetization |
Publications (1)
Publication Number | Publication Date |
---|---|
DK2702374T3 true DK2702374T3 (da) | 2015-01-05 |
Family
ID=46026794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK12718633.6T DK2702374T3 (da) | 2011-04-29 | 2012-04-25 | Fremgangsmåde til overvågning af afmagnetisering |
Country Status (8)
Country | Link |
---|---|
US (1) | US9823308B2 (da) |
EP (2) | EP2518456A1 (da) |
JP (1) | JP5792374B2 (da) |
KR (1) | KR101474187B1 (da) |
CN (1) | CN103620354B (da) |
BR (1) | BR112013027452B1 (da) |
DK (1) | DK2702374T3 (da) |
WO (1) | WO2012146613A1 (da) |
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ES2690077T3 (es) * | 2015-04-15 | 2018-11-19 | Siemens Aktiengesellschaft | Monitorización de una máquina con un componente de máquina rotatorio |
EP3106890A1 (en) * | 2015-06-19 | 2016-12-21 | General Electric Technology GmbH | Method for measuring a stator core of an electric machine and measuring device |
JP6646416B2 (ja) * | 2015-11-24 | 2020-02-14 | 株式会社トーエネック | 回転機の短絡診断装置および回転機の短絡診断方法 |
CN105629171B (zh) * | 2015-12-31 | 2019-01-15 | 国电南瑞科技股份有限公司 | 一种应用于励磁系统的灭磁及过电压性能测试仪和其测试方法 |
CN105974312B (zh) * | 2016-06-06 | 2018-11-27 | 安徽大学 | 永磁同步电机退磁故障诊断方法 |
KR101764540B1 (ko) * | 2016-06-21 | 2017-08-02 | 두산중공업 주식회사 | 풍력발전기 진동 상태감시 및 진단 시스템 |
EP3282268A1 (en) * | 2016-08-09 | 2018-02-14 | Rolls-Royce plc | A method and apparatus for diagnosing a fault condition in an electric machine |
CN107643709B (zh) * | 2017-09-18 | 2019-01-15 | 南京理工大学 | 一种基于多传感器信息融合的超高速永磁同步电机监控系统 |
CN108206655A (zh) * | 2018-01-18 | 2018-06-26 | 同济大学 | 一种针对退磁故障后逆变器系统延寿控制方法 |
EP3595147A1 (en) * | 2018-07-12 | 2020-01-15 | Siemens Gamesa Renewable Energy A/S | Structure health monitoring of the stator of an electrical generator |
FR3088439B1 (fr) * | 2018-11-12 | 2020-11-13 | Electricite De France | Detection de defaut electrique dans une generatrice |
JP7280703B2 (ja) | 2019-01-31 | 2023-05-24 | 住友重機械工業株式会社 | 診断システム |
CN113439217A (zh) | 2019-08-05 | 2021-09-24 | 胜科工业有限公司 | 在电气机器的在线运行下检测绕组故障的方法和系统 |
EP3882590B1 (en) * | 2020-03-20 | 2023-07-19 | ABB Schweiz AG | Method of identifying fault in synchronous reluctance electric machine, monitoring system and synchronous reluctance electric machine |
US11619670B2 (en) * | 2020-04-01 | 2023-04-04 | Caterpillar Inc. | System and method for detecting winding faults in a generator |
CN111537910B (zh) * | 2020-04-17 | 2022-09-13 | 江苏大学 | 基于振动信号的定子绕组匝间短路故障诊断方法与装置 |
CN111413616B (zh) * | 2020-05-26 | 2022-03-08 | 河南理工大学 | 永磁电机退磁故障综合诊断方法 |
CN112163362B (zh) * | 2020-10-15 | 2022-05-13 | 国网湖南省电力有限公司 | 改进的考虑分段斜极的永磁电机磁场解析方法及存储介质 |
EP3996259A1 (de) * | 2020-11-06 | 2022-05-11 | Siemens Aktiengesellschaft | Verfahren zum überwachen des betriebes einer antriebstechnischen komponente |
CN112671307B (zh) * | 2020-12-25 | 2022-08-30 | 浙江理工大学 | 一种表贴式永磁同步电机退磁程度评价方法及装置 |
CN113325344B (zh) * | 2021-04-29 | 2022-04-01 | 东风博泽汽车系统有限公司 | 一种汽车散热器电动风扇退磁试验装置及方法 |
CN113295999B (zh) * | 2021-06-24 | 2023-05-09 | 江苏大学 | 永磁同步电机的退磁、绕组断路与匝间短路故障分类方法 |
CN113964964B (zh) * | 2021-11-15 | 2023-03-21 | 西安热工研究院有限公司 | 一种基于电信号的永磁风力发电机永磁体退磁故障模拟装置 |
WO2023095514A1 (ja) * | 2021-11-25 | 2023-06-01 | 住友重機械工業株式会社 | 極低温冷凍機診断システム、極低温冷凍機および極低温冷凍機診断方法 |
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-
2011
- 2011-04-29 EP EP11164289A patent/EP2518456A1/en not_active Withdrawn
-
2012
- 2012-04-25 WO PCT/EP2012/057555 patent/WO2012146613A1/en active Application Filing
- 2012-04-25 EP EP12718633.6A patent/EP2702374B1/en active Active
- 2012-04-25 CN CN201280020709.7A patent/CN103620354B/zh active Active
- 2012-04-25 DK DK12718633.6T patent/DK2702374T3/da active
- 2012-04-25 BR BR112013027452-2A patent/BR112013027452B1/pt active IP Right Grant
- 2012-04-25 JP JP2014506846A patent/JP5792374B2/ja active Active
- 2012-05-30 KR KR1020137028461A patent/KR101474187B1/ko active IP Right Grant
-
2013
- 2013-10-29 US US14/066,307 patent/US9823308B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2012146613A1 (en) | 2012-11-01 |
EP2518456A1 (en) | 2012-10-31 |
US9823308B2 (en) | 2017-11-21 |
BR112013027452A2 (da) | 2017-01-03 |
BR112013027452B1 (pt) | 2020-10-06 |
JP5792374B2 (ja) | 2015-10-14 |
EP2702374A1 (en) | 2014-03-05 |
KR20140031240A (ko) | 2014-03-12 |
CN103620354A (zh) | 2014-03-05 |
CN103620354B (zh) | 2016-01-20 |
US20140049285A1 (en) | 2014-02-20 |
KR101474187B1 (ko) | 2014-12-17 |
JP2014512799A (ja) | 2014-05-22 |
EP2702374B1 (en) | 2014-09-24 |
BR112013027452A8 (pt) | 2017-12-19 |
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