Nothing Special   »   [go: up one dir, main page]

Mo et al., 2016 - Google Patents

A failure probability model of the moistened oil-paper insulation of transformers based on strength-stress model

Mo et al., 2016

Document ID
5162604405533990339
Author
Mo W
Bai H
Cheng Y
Zhang Z
Huang D
Zhao C
Li D
Publication year
Publication venue
2016 IEEE International Conference on High Voltage Engineering and Application (ICHVE)

External Links

Snippet

It's easier for the oil-immersed power transformer to fail when moistened. As is known to us all, moisture may cause the great decrease of the breakdown voltage of the oil-paper insulation system. So, the failure probability model of transformer was established in this …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/70Systems integrating technologies related to power network operation and communication or information technologies mediating in the improvement of the carbon footprint of electrical power generation, transmission or distribution, i.e. smart grids as enabling technology in the energy generation sector not used, see subgroups
    • Y02E60/72Systems characterised by the monitored, controlled or operated power network elements or equipments not used, see subgroups
    • Y02E60/723Systems characterised by the monitored, controlled or operated power network elements or equipments not used, see subgroups the elements or equipments being or involving electric power substations
    • 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
    • G01R31/1272Testing 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 of cable, line or wire insulation, e.g. using partial discharge measurements
    • 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
    • G01R31/1236Testing 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 surge arresters

Similar Documents

Publication Publication Date Title
CN105512962B (en) A kind of gas insulated combined electrical equipment state of insulation comprehensive estimation method
Idrees et al. Fuzzy logic based calculation and analysis of health index for power transformer installed in grid stations
CN105158655A (en) Frequency-domain dielectric theory-based evaluation method for evaluating insulation aging state of oiled paper of transformer
CN104407286A (en) Method for monitoring mechanical states of high-voltage isolating switches and emitting warning
CN110163477A (en) A kind of method and system for the operating status determining power equipment based on Condition Monitoring Data
CN110794301A (en) Motor life value judgment method
CN106570644B (en) Statistical tool-based quantitative evaluation method for power transmission and transformation equipment
Mo et al. A failure probability model of the moistened oil-paper insulation of transformers based on strength-stress model
He et al. Study on transformer oil dissolved gas online monitoring and fault diagnosis method
Lin et al. A risk assessment method of transformer considering the economy and reliability of power network
CN204439118U (en) Transformer Substation Online Monitoring System
Wan et al. Life assessment study on distribution electric power transmission equipment based on harmonic modified hot spot temperature calculating model
Afiqah et al. Fuzzy logic application in DGA methods to classify fault type in power transformer
Li et al. Condition monitoring of high voltage equipment in smart grid
Wang et al. A hierarchical fuzzy comprehensive evaluation algorithm for running state of a 6 kV (10 kV) power switch cabinet
Mehta et al. Condition monitoring of insulation system in power transformers
Lee et al. A condition indexing for assessment management in MV underground power cables
CN112180191A (en) Wire and cable aging state assessment method
Luangtriratana et al. A Development on Asset Management System for Distribution Power Transformers
Liepniece et al. Study of approaches to incipient fault detection in power transformer by using dissolved gas analysis
Gataullin Insulators electrical strength estimation under AC applied voltage
Wang et al. Electrode area effect on dielectric breakdown strengths of mineral oil and esters
Zhou et al. Analysis of Lightning Performance of Overhead Transmission Lines with Insulator Parallel Gaps
Quan et al. Study on the methodology of detection for transformer winding insulation defects based on applied voltage test
Yanxue et al. Transformer Fault Diagnosis System Based on Knowledge Node and FMECA