[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Paillat et al., 2012 - Google Patents

Electrostatic hazard in high power transformers: Analyze of ten years of the capacitive sensor

Paillat et al., 2012

View PDF
Document ID
2136801178867868776
Author
Paillat T
Morin G
Touchard G
Bertrand Y
Moreau O
Tanguy A
Publication year
Publication venue
Proceedings of the ESA/IEEE-IAS/IEJ/SFE Joint Conference on Electrostatic 2012

External Links

Snippet

In high power transformer, oil flowing on pressboard surface is suspected to be responsible of electrostatic hazards and failures. Different methods of risk assessment have been proposed to understand and prevent it: ministatic tester in the Westinghouse protocol …
Continue reading at citeseerx.ist.psu.edu (PDF) (other versions)

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
    • G01R31/12—Testing 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
    • G01R31/1227—Testing 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
    • G01R31/1263—Testing 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material
    • G01N27/04—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating resistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material
    • G01N27/22—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating capacitance
    • G01N27/221—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating capacitance by investigating the dielectric properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/26—Investigating or analysing materials by specific methods not covered by the preceding groups oils; viscous liquids; paints; inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G01N33/2835—Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel
    • 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
    • G01R31/02—Testing of electric apparatus, lines or components, for short-circuits, discontinuities, leakage of current, or incorrect line connection
    • G01R31/027—Testing of transformers

Similar Documents

Publication Publication Date Title
Muhamad et al. Comparative study and analysis of DGA methods for transformer mineral oil
Paraskevas et al. Temperature dependent dielectric spectroscopy in frequency domain of high-voltage transformer oils compared to physicochemical results
Paillat et al. Ester oils and flow electrification hazards in power transformers
Taslak et al. Analyses of the insulating characteristics of mineral oil at operating conditions
Sierota et al. Electrostatic charging in transformer oils. Testing and assessment
Zelu et al. Study on flow electrification hazards with ester oils
Răduca et al. Finite element analysis of heat transfer in transformers from high voltage stations
Schober et al. Oil conductivity–an important quantity for the design and the condition assessment of HVDC insulation systems
Leblanc et al. Behavior of the charge accumulation at the pressboard/oil interface under DC external electric field stress
Gorgan et al. Calculation of power transformers health indexes
Paillat et al. Electrostatic Hazard in High-Power Transformers: Results of Ten Years of Experience With ${P}^{\prime} $ Capacitive Sensor
Fofana et al. Relationship between static electrification of transformer oils with turbidity and spectrophotometry measurements
Paillat et al. Electrostatic hazard in high power transformers: Analyze of ten years of the capacitive sensor
Khayam et al. Study on dissolved gas due tue thermally degraded insulating paper in transformer oil
Li et al. Adequacy of dual-variable Weibull failure distribution for oil-impregnated paper under pulsating DC voltage
El-Adawy et al. Experimental determination of space charge density associated with flow electrification phenomenon: Application to power transformers
Zaeni et al. Methods for remaining life prediction of power cable based on partial discharge with regard to loading factor calculation and voltage variation
Wang et al. Comparison of online and lab DGA methods for condition assessment of mineral and vegetable transformer oils
Bramantyo et al. Thermal ageing and corrosive sulphur effect on partial discharge and electrical conductivity of oil impregnated paper
Thota et al. Preliminary investigations on the gassing tendency and breakdown strength of low pourpoint transformer liquids under selective conditions
Ullah et al. Performance evaluation of power transformer under different diagnostic techniques
Loiselle et al. Stability of environmental friendly fluids under electrical and thermal stresses
Inyang et al. Estimation of electric transformer service life from oil degradation kinetics
Vaucelle et al. Analysis of flow electrification parameters of power transformer oils
Paillat et al. Flow electrification in transformers: correlation between winding leakage current and pressboard charge accumulation