JPH0126500B2 - - Google Patents

Info

Publication number
JPH0126500B2
JPH0126500B2 JP57059191A JP5919182A JPH0126500B2 JP H0126500 B2 JPH0126500 B2 JP H0126500B2 JP 57059191 A JP57059191 A JP 57059191A JP 5919182 A JP5919182 A JP 5919182A JP H0126500 B2 JPH0126500 B2 JP H0126500B2
Authority
JP
Japan
Prior art keywords
acceleration
insulated coil
natural frequency
insulation
signal
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.)
Expired
Application number
JP57059191A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58174845A (ja
Inventor
Tokio Fukunaga
Akimi Futagawa
Mataichiro Kiso
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP57059191A priority Critical patent/JPS58174845A/ja
Priority to US06/477,366 priority patent/US4502329A/en
Priority to DE8383102999T priority patent/DE3368772D1/de
Priority to EP83102999A priority patent/EP0091037B1/en
Publication of JPS58174845A publication Critical patent/JPS58174845A/ja
Publication of JPH0126500B2 publication Critical patent/JPH0126500B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • G01N29/045Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • G01N29/12Analysing solids by measuring frequency or resonance of acoustic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34Testing dynamo-electric machines
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/72Testing of electric windings
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/025Change of phase or condition
    • G01N2291/0258Structural degradation, e.g. fatigue of composites, ageing of oils
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/028Material parameters
    • G01N2291/02827Elastic parameters, strength or force
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/26Scanned objects
    • G01N2291/269Various geometry objects
    • G01N2291/2697Wafer or (micro)electronic parts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP57059191A 1982-04-07 1982-04-07 絶縁コイルの絶縁診断方法 Granted JPS58174845A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57059191A JPS58174845A (ja) 1982-04-07 1982-04-07 絶縁コイルの絶縁診断方法
US06/477,366 US4502329A (en) 1982-04-07 1983-03-21 Method for checking insulative condition of insulated windings used in electrical appliances
DE8383102999T DE3368772D1 (en) 1982-04-07 1983-03-25 Method and apparatus for checking insulative condition of an insulated article
EP83102999A EP0091037B1 (en) 1982-04-07 1983-03-25 Method and apparatus for checking insulative condition of an insulated article

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57059191A JPS58174845A (ja) 1982-04-07 1982-04-07 絶縁コイルの絶縁診断方法

Publications (2)

Publication Number Publication Date
JPS58174845A JPS58174845A (ja) 1983-10-13
JPH0126500B2 true JPH0126500B2 (en]) 1989-05-24

Family

ID=13106272

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57059191A Granted JPS58174845A (ja) 1982-04-07 1982-04-07 絶縁コイルの絶縁診断方法

Country Status (1)

Country Link
JP (1) JPS58174845A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58179363A (ja) * 1982-04-14 1983-10-20 Mitsubishi Electric Corp 電気機器の絶縁診断方法および装置
JP2655846B2 (ja) * 1987-09-09 1997-09-24 日立金属株式会社 金属板残留歪評価試験方法
JP5584002B2 (ja) * 2009-03-31 2014-09-03 東レ株式会社 巻線絶縁の劣化診断方法及び巻線絶縁の劣化診断装置

Also Published As

Publication number Publication date
JPS58174845A (ja) 1983-10-13

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