CA2196254C - Methode et reactif servant a determiner le taux de degradation du papier dans des transformateurs - Google Patents

Methode et reactif servant a determiner le taux de degradation du papier dans des transformateurs Download PDF

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Publication number
CA2196254C
CA2196254C CA 2196254 CA2196254A CA2196254C CA 2196254 C CA2196254 C CA 2196254C CA 2196254 CA2196254 CA 2196254 CA 2196254 A CA2196254 A CA 2196254A CA 2196254 C CA2196254 C CA 2196254C
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CA
Canada
Prior art keywords
approximately
percent
volume
component
furaldehyde
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 - Fee Related
Application number
CA 2196254
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English (en)
Other versions
CA2196254A1 (fr
Inventor
Frederick John Bird
Nicola Dominelli
Gordon R. Ashby
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.)
Powertech Labs Inc
Original Assignee
Powertech Labs Inc
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 Powertech Labs Inc filed Critical Powertech Labs Inc
Priority to CA 2196254 priority Critical patent/CA2196254C/fr
Publication of CA2196254A1 publication Critical patent/CA2196254A1/fr
Application granted granted Critical
Publication of CA2196254C publication Critical patent/CA2196254C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26Oils; Viscous liquids; Paints; Inks
    • G01N33/28Oils, i.e. hydrocarbon liquids
    • G01N33/2835Specific substances contained in the oils or fuels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Housings And Mounting Of Transformers (AREA)
CA 2196254 1997-01-29 1997-01-29 Methode et reactif servant a determiner le taux de degradation du papier dans des transformateurs Expired - Fee Related CA2196254C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2196254 CA2196254C (fr) 1997-01-29 1997-01-29 Methode et reactif servant a determiner le taux de degradation du papier dans des transformateurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2196254 CA2196254C (fr) 1997-01-29 1997-01-29 Methode et reactif servant a determiner le taux de degradation du papier dans des transformateurs

Publications (2)

Publication Number Publication Date
CA2196254A1 CA2196254A1 (fr) 1998-07-29
CA2196254C true CA2196254C (fr) 2002-09-17

Family

ID=4159777

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2196254 Expired - Fee Related CA2196254C (fr) 1997-01-29 1997-01-29 Methode et reactif servant a determiner le taux de degradation du papier dans des transformateurs

Country Status (1)

Country Link
CA (1) CA2196254C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108594089B (zh) * 2018-04-28 2020-09-01 广东电网有限责任公司电力科学研究院 一种变压器中绝缘纸的聚合度检测方法及装置

Also Published As

Publication number Publication date
CA2196254A1 (fr) 1998-07-29

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