JP7449950B2 - 電力変換装置及びそれに用いる予兆診断方法 - Google Patents
電力変換装置及びそれに用いる予兆診断方法 Download PDFInfo
- Publication number
- JP7449950B2 JP7449950B2 JP2021541922A JP2021541922A JP7449950B2 JP 7449950 B2 JP7449950 B2 JP 7449950B2 JP 2021541922 A JP2021541922 A JP 2021541922A JP 2021541922 A JP2021541922 A JP 2021541922A JP 7449950 B2 JP7449950 B2 JP 7449950B2
- Authority
- JP
- Japan
- Prior art keywords
- diagnosis
- abnormality
- signal
- diagnostic
- predictive
- 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 description 90
- 238000006243 chemical reaction Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title description 11
- 230000005856 abnormality Effects 0.000 claims description 57
- 238000001514 detection method Methods 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 description 14
- 230000008569 process Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000012631 diagnostic technique Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
- G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
- G05B23/0235—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on a comparison with predetermined threshold or range, e.g. "classical methods", carried out during normal operation; threshold adaptation or choice; when or how to compare with the threshold
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
-
- 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
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Electric Motors In General (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Description
Claims (1)
- 交流電動機の制御を行う電力変換装置であって、
前記交流電動機の相電流を検出する電流検出回路と、
前記電流検出回路での検出電流が入力される予兆診断機能部を有し、
前記予兆診断機能部は、診断判定部と、診断管理部と、出力生成部を有し、
前記診断管理部は、制御状態信号と外部入力信号により、予兆診断の状態を表す診断モード信号を前記診断判定部と前記出力生成部に出力し、また前記診断管理部は、前記制御状態信号と前記外部入力信号と、前記診断判定部からの異常判定信号とにより、前記出力生成部に診断結果信号を出力し、
前記診断判定部は、前記検出電流に基づき前記交流電動機の機械的異常の度合いを判定し、前記診断管理部に異常判定信号を出力し、
前記出力生成部は、前記診断結果信号と、前記診断モード信号により、外部出力信号を外部出力部に出力し、
前記外部入力信号は予兆診断機能の有効無効を設定する信号であり、
前記診断結果信号は、該当なし、正常、異常予兆、異常の4段階の度合いを含み、
前記診断モード信号は、診断無効中、診断準備中、診断実行中、診断休止中、診断不順中の5つの状態を有し、
前記診断不順中が予兆診断機能そのものの異常を意味し、診断実行中に、前記診断機能そのものの異常が発生していないかを判定し、前記診断機能そのものの異常が発生したら前記予兆診断機能を終了する電力変換装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/034113 WO2021038829A1 (ja) | 2019-08-30 | 2019-08-30 | 電力変換装置及びそれに用いる予兆診断方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021038829A1 JPWO2021038829A1 (ja) | 2021-03-04 |
JP7449950B2 true JP7449950B2 (ja) | 2024-03-14 |
Family
ID=74684735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021541922A Active JP7449950B2 (ja) | 2019-08-30 | 2019-08-30 | 電力変換装置及びそれに用いる予兆診断方法 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4024700A4 (ja) |
JP (1) | JP7449950B2 (ja) |
CN (1) | CN114175496B (ja) |
TW (1) | TWI782298B (ja) |
WO (1) | WO2021038829A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7503201B2 (ja) * | 2021-03-11 | 2024-06-19 | 株式会社日立産機システム | 電力変換装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001112294A (ja) | 1999-10-04 | 2001-04-20 | Toyota Motor Corp | 異常検出システム |
JP2016158315A (ja) | 2015-02-23 | 2016-09-01 | 株式会社日立製作所 | 電動機駆動システム、電動機の制御方法および電力変換装置 |
JP2016156643A (ja) | 2015-02-23 | 2016-09-01 | 株式会社日立製作所 | 予兆診断システム、予兆診断方法及び予兆診断装置 |
WO2017217069A1 (ja) | 2016-06-13 | 2017-12-21 | 株式会社日立製作所 | 回転機診断装置、回転機診断方法及び回転機診断プログラム |
JP2018182778A (ja) | 2017-04-03 | 2018-11-15 | ファナック株式会社 | モータ駆動装置 |
JP2018182786A (ja) | 2017-04-03 | 2018-11-15 | 株式会社島津製作所 | 真空ポンプのモータ異常検出装置および真空ポンプシステム |
JP2019020278A (ja) | 2017-07-19 | 2019-02-07 | 株式会社日立製作所 | 回転機システムの診断装置、電力変換装置、回転機システム、および回転機システムの診断方法 |
JP2019128298A (ja) | 2018-01-26 | 2019-08-01 | 株式会社日立産機システム | 電力変換装置、それを用いた回転機システム、及びその診断方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6529135B1 (en) * | 1999-10-12 | 2003-03-04 | Csi Technology, Inc. | Integrated electric motor monitor |
GB2374147A (en) * | 2001-04-03 | 2002-10-09 | Planned Maintenance Engineerin | Method for monitoring the performance of an electromechanical machine |
KR101852246B1 (ko) | 2013-03-29 | 2018-04-25 | 미쓰비시덴키 가부시키가이샤 | 전동기의 진단 장치 및 개폐 장치 |
JP6302727B2 (ja) * | 2014-04-10 | 2018-03-28 | 日立オートモティブシステムズ株式会社 | 電動モータの制御装置 |
JP6503962B2 (ja) * | 2015-07-28 | 2019-04-24 | 株式会社デンソー | 電流センサ異常診断装置 |
JP6863136B2 (ja) * | 2017-06-30 | 2021-04-21 | 株式会社デンソー | 電流センサの状態判定装置、車載回転電機システム |
TWI666460B (zh) * | 2018-08-10 | 2019-07-21 | 東元電機股份有限公司 | 馬達層間短路快篩方法 |
-
2019
- 2019-08-30 CN CN201980098432.1A patent/CN114175496B/zh active Active
- 2019-08-30 EP EP19943115.6A patent/EP4024700A4/en active Pending
- 2019-08-30 WO PCT/JP2019/034113 patent/WO2021038829A1/ja unknown
- 2019-08-30 JP JP2021541922A patent/JP7449950B2/ja active Active
-
2020
- 2020-07-23 TW TW109124915A patent/TWI782298B/zh active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001112294A (ja) | 1999-10-04 | 2001-04-20 | Toyota Motor Corp | 異常検出システム |
JP2016158315A (ja) | 2015-02-23 | 2016-09-01 | 株式会社日立製作所 | 電動機駆動システム、電動機の制御方法および電力変換装置 |
JP2016156643A (ja) | 2015-02-23 | 2016-09-01 | 株式会社日立製作所 | 予兆診断システム、予兆診断方法及び予兆診断装置 |
WO2017217069A1 (ja) | 2016-06-13 | 2017-12-21 | 株式会社日立製作所 | 回転機診断装置、回転機診断方法及び回転機診断プログラム |
JP2018182778A (ja) | 2017-04-03 | 2018-11-15 | ファナック株式会社 | モータ駆動装置 |
JP2018182786A (ja) | 2017-04-03 | 2018-11-15 | 株式会社島津製作所 | 真空ポンプのモータ異常検出装置および真空ポンプシステム |
JP2019020278A (ja) | 2017-07-19 | 2019-02-07 | 株式会社日立製作所 | 回転機システムの診断装置、電力変換装置、回転機システム、および回転機システムの診断方法 |
JP2019128298A (ja) | 2018-01-26 | 2019-08-01 | 株式会社日立産機システム | 電力変換装置、それを用いた回転機システム、及びその診断方法 |
Also Published As
Publication number | Publication date |
---|---|
CN114175496A (zh) | 2022-03-11 |
TW202109070A (zh) | 2021-03-01 |
CN114175496B (zh) | 2024-04-02 |
TWI782298B (zh) | 2022-11-01 |
JPWO2021038829A1 (ja) | 2021-03-04 |
WO2021038829A1 (ja) | 2021-03-04 |
EP4024700A4 (en) | 2023-05-17 |
EP4024700A1 (en) | 2022-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5260719B2 (ja) | 停電の有無を判定する停電判定部を有するモータ駆動装置 | |
JP6277288B2 (ja) | 監視装置と監視方法およびそれらを備える制御装置と制御方法 | |
CN1825730A (zh) | 用于旋转场机器的失相检测 | |
EP2937984B1 (en) | Inverter device | |
JP6516878B2 (ja) | 電動機制御装置 | |
JP5503008B2 (ja) | 交流電動機の回転方向検出方法及びそれを利用した交流電動機の電力変換装置 | |
JP2010246327A (ja) | インバータの故障診断装置 | |
US10444288B2 (en) | Abnormality diagnosing device and abnormality diagnosing method | |
JP5584994B2 (ja) | インバータの故障診断装置 | |
JP7449950B2 (ja) | 電力変換装置及びそれに用いる予兆診断方法 | |
JP6457589B2 (ja) | 異常診断装置および異常診断方法 | |
JP6457583B2 (ja) | 異常診断装置および異常診断方法 | |
WO2021111856A1 (ja) | 電力変換装置、診断装置及び診断方法 | |
JP5370397B2 (ja) | モータ速度監視装置 | |
JP5482050B2 (ja) | モータ制御装置およびモータの欠相診断方法 | |
JP6197463B2 (ja) | インバータ制御交流モータの異常診断装置 | |
JP6340913B2 (ja) | 制御装置及び制御方法 | |
JP2009189199A (ja) | 電動機制御装置およびそれを用いた空気調和機 | |
JP7441135B2 (ja) | 回転電機の駆動装置 | |
JP2010239682A (ja) | 駆動装置 | |
JP2006187070A (ja) | 電動機駆動用インバータ冷却装置の診断装置 | |
KR20040046214A (ko) | 세탁기의 제동이상 감지 및 표시방법 | |
JP2002048657A (ja) | モータのトルク異常検出装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220112 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20221227 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230222 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230620 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230810 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20231128 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20231219 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20231227 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20240213 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240304 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7449950 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |