JP5792374B2 - 減磁を監視するための方法 - Google Patents
減磁を監視するための方法 Download PDFInfo
- Publication number
- JP5792374B2 JP5792374B2 JP2014506846A JP2014506846A JP5792374B2 JP 5792374 B2 JP5792374 B2 JP 5792374B2 JP 2014506846 A JP2014506846 A JP 2014506846A JP 2014506846 A JP2014506846 A JP 2014506846A JP 5792374 B2 JP5792374 B2 JP 5792374B2
- Authority
- JP
- Japan
- Prior art keywords
- vibration
- permanent magnet
- stator
- frequency
- demagnetization
- 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.)
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Links
- 230000005347 demagnetization Effects 0.000 title claims description 43
- 238000000034 method Methods 0.000 title claims description 37
- 238000012544 monitoring process Methods 0.000 title claims description 19
- 230000001360 synchronised effect Effects 0.000 claims description 36
- 238000004458 analytical method Methods 0.000 claims description 30
- 238000005259 measurement Methods 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 description 21
- 238000001845 vibrational spectrum Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 238000010183 spectrum analysis Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000002405 diagnostic procedure Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004088 simulation Methods 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
- G01R31/34—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
-
- 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
-
- 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)
Description
Claims (4)
- 巻線を有する固定子と、前記固定子に対して回転するように配置された永久磁石を有する回転子とを有する、風力発電機など同期機械の永久磁石の減磁を監視するための、前記同期機械の動作中に実行される方法であって、
前記固定子の振動を測定するステップと、
前記振動の周波数解析を実行するステップと、
前記固定子の供給周波数(fS)での前記振動の振幅がしきい値を超えているか否かに基づいて、前記機械に永久磁石の減磁が生じているか否かを判定するステップと
を含む方法。 - 回転周波数(fR)での振動の振幅がしきい値を超えているか否かに基づいて、前記機械に永久磁石の減磁が生じているか否かを判定するステップをさらに備える、請求項1に記載の方法。
- 前記振動測定は、前記固定子のフレームに固定された、または前記固定子に固定された振動センサによって振動を検出することを含む、請求項1または2に記載の方法。
- 前記機械は、永久磁石同期発電機である、請求項1から3のいずれか1項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11164289A EP2518456A1 (en) | 2011-04-29 | 2011-04-29 | Method for monitoring demagnetization |
EP11164289.8 | 2011-04-29 | ||
PCT/EP2012/057555 WO2012146613A1 (en) | 2011-04-29 | 2012-04-25 | Method for monitoring demagnetization |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014512799A JP2014512799A (ja) | 2014-05-22 |
JP5792374B2 true JP5792374B2 (ja) | 2015-10-14 |
Family
ID=46026794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014506846A Active JP5792374B2 (ja) | 2011-04-29 | 2012-04-25 | 減磁を監視するための方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9823308B2 (ja) |
EP (2) | EP2518456A1 (ja) |
JP (1) | JP5792374B2 (ja) |
KR (1) | KR101474187B1 (ja) |
CN (1) | CN103620354B (ja) |
BR (1) | BR112013027452B1 (ja) |
DK (1) | DK2702374T3 (ja) |
WO (1) | WO2012146613A1 (ja) |
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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 |
DK3811481T3 (da) * | 2018-12-21 | 2023-07-10 | Siemens Gamesa Renewable Energy As | Fremgangsmåde til bestemmelse af en lokalitet for en kortslutningsfejl i en generatoranordning, generatoranordning, vindmølle, computerprogram og elektronisk læsbart medium |
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 |
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WO2021025612A1 (en) | 2019-08-05 | 2021-02-11 | Sembcorp Industries Ltd | A method and a system of detecting winding fault under online operation of an electrical machine |
GB202000742D0 (en) * | 2020-01-17 | 2020-03-04 | Univ Of Saltford | Vibro-electric condition monitoring |
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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 |
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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 CN CN201280020709.7A patent/CN103620354B/zh active Active
- 2012-04-25 EP EP12718633.6A patent/EP2702374B1/en active Active
- 2012-04-25 BR BR112013027452-2A patent/BR112013027452B1/pt active IP Right Grant
- 2012-04-25 JP JP2014506846A patent/JP5792374B2/ja active Active
- 2012-04-25 DK DK12718633.6T patent/DK2702374T3/en 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 |
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KR101474187B1 (ko) | 2014-12-17 |
EP2702374B1 (en) | 2014-09-24 |
WO2012146613A1 (en) | 2012-11-01 |
EP2702374A1 (en) | 2014-03-05 |
KR20140031240A (ko) | 2014-03-12 |
DK2702374T3 (en) | 2015-01-05 |
JP2014512799A (ja) | 2014-05-22 |
CN103620354A (zh) | 2014-03-05 |
CN103620354B (zh) | 2016-01-20 |
BR112013027452A2 (ja) | 2017-01-03 |
BR112013027452A8 (pt) | 2017-12-19 |
US20140049285A1 (en) | 2014-02-20 |
BR112013027452B1 (pt) | 2020-10-06 |
US9823308B2 (en) | 2017-11-21 |
EP2518456A1 (en) | 2012-10-31 |
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