JP7287591B1 - 電動機の状態診断装置、状態診断方法および異常予兆推論装置 - Google Patents

電動機の状態診断装置、状態診断方法および異常予兆推論装置 Download PDF

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Publication number
JP7287591B1
JP7287591B1 JP2023507895A JP2023507895A JP7287591B1 JP 7287591 B1 JP7287591 B1 JP 7287591B1 JP 2023507895 A JP2023507895 A JP 2023507895A JP 2023507895 A JP2023507895 A JP 2023507895A JP 7287591 B1 JP7287591 B1 JP 7287591B1
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Japan
Prior art keywords
unit
electric motor
frequency
analysis
current data
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JP2023507895A
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English (en)
Japanese (ja)
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JPWO2024062511A1 (https=
JPWO2024062511A5 (https=
Inventor
幸希 永山
俊彦 宮内
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of JPWO2024062511A5 publication Critical patent/JPWO2024062511A5/ja
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    • 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
    • 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
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
    • 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
    • G01R29/023—Measuring pulse width
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N20/00—Machine learning
    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/46—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to frequency deviations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/50—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the appearance of abnormal wave forms, e.g. AC in DC installations
    • H02H3/52—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the appearance of abnormal wave forms, e.g. AC in DC installations responsive to the appearance of harmonics

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Artificial Intelligence (AREA)
  • Medical Informatics (AREA)
  • Evolutionary Computation (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
JP2023507895A 2022-09-20 2022-09-20 電動機の状態診断装置、状態診断方法および異常予兆推論装置 Active JP7287591B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/034868 WO2024062511A1 (ja) 2022-09-20 2022-09-20 電動機の状態診断装置、状態診断方法および異常予兆推論装置

Publications (3)

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JP7287591B1 true JP7287591B1 (ja) 2023-06-06
JPWO2024062511A1 JPWO2024062511A1 (https=) 2024-03-28
JPWO2024062511A5 JPWO2024062511A5 (https=) 2024-08-28

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JP2023507895A Active JP7287591B1 (ja) 2022-09-20 2022-09-20 電動機の状態診断装置、状態診断方法および異常予兆推論装置

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Country Link
JP (1) JP7287591B1 (https=)
KR (1) KR20250048104A (https=)
CN (1) CN119836575A (https=)
DE (1) DE112022007789T5 (https=)
WO (1) WO2024062511A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2025017843A1 (https=) * 2023-07-18 2025-01-23

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011257362A (ja) * 2010-06-11 2011-12-22 Takada Corp 回転機械系の異常診断方法
JP2016090546A (ja) * 2014-11-11 2016-05-23 旭化成エンジニアリング株式会社 電流診断装置および電流診断方法
WO2018142569A1 (ja) * 2017-02-03 2018-08-09 三菱電機株式会社 電動機の診断装置
JP2019159730A (ja) * 2018-03-12 2019-09-19 株式会社リコー 保守システム、保守サーバ、保守方法
WO2020144939A1 (ja) * 2019-01-11 2020-07-16 パナソニックＩｐマネジメント株式会社 診断システム、診断方法、プログラム及び記録媒体
WO2021166168A1 (ja) * 2020-02-20 2021-08-26 三菱電機株式会社 電動機の診断装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5985099B1 (ja) 2016-03-31 2016-09-06 株式会社高田工業所 回転機械系の異常検知方法、その異常検知方法を用いた回転機械系の異常監視方法、及びその異常監視方法を用いた回転機械系の異常監視装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011257362A (ja) * 2010-06-11 2011-12-22 Takada Corp 回転機械系の異常診断方法
JP2016090546A (ja) * 2014-11-11 2016-05-23 旭化成エンジニアリング株式会社 電流診断装置および電流診断方法
WO2018142569A1 (ja) * 2017-02-03 2018-08-09 三菱電機株式会社 電動機の診断装置
JP2019159730A (ja) * 2018-03-12 2019-09-19 株式会社リコー 保守システム、保守サーバ、保守方法
WO2020144939A1 (ja) * 2019-01-11 2020-07-16 パナソニックＩｐマネジメント株式会社 診断システム、診断方法、プログラム及び記録媒体
WO2021166168A1 (ja) * 2020-02-20 2021-08-26 三菱電機株式会社 電動機の診断装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2025017843A1 (https=) * 2023-07-18 2025-01-23
WO2025017843A1 (ja) * 2023-07-18 2025-01-23 三菱電機株式会社 異常判別装置、学習装置、電源装置、異常判別システムおよび異常判別方法
JP7805532B2 (ja) 2023-07-18 2026-01-23 三菱電機株式会社 異常判別装置、電源装置、異常判別システムおよび異常判別方法

Also Published As

Publication number Publication date
JPWO2024062511A1 (https=) 2024-03-28
DE112022007789T5 (de) 2025-07-17
WO2024062511A1 (ja) 2024-03-28
CN119836575A (zh) 2025-04-15
KR20250048104A (ko) 2025-04-07

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