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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jiandong Wu Yi Yin Xuguang Li Yaqun Wang Dengming Xiao |
| Copyright Year | 2009 |
| Description | Author affiliation: Department of Electrical Engineering, School of Electronics and Electrical, Shanghai Jiao Tong University, 200240, China (Jiandong Wu; Yi Yin; Xuguang Li; Yaqun Wang; Dengming Xiao) |
| Abstract | The isothermal relaxation current (IRC) technology is a powerful method for assessing the condition of power cable insulation. In this paper a condition assessment system was designed to meet the diagnosis of XLPE cables insulation. The assessment system consisted of the IRC measurement system and IRC analysis system. The processes of IRC measurement, such as polarizing voltage, discharging and depolarization current measurement, were controlled by software. The third order exponential decay model was utilized in analysis software to process measured IRC data. The parameters of each kind of depolarization current component and the relationship between I*t and log (t) were showed directly in software for evaluating the aging status. Based on the empirical aging factor (A-factor), the aging level of cables insulation is obtained after data analysis. At last, one part of three-phase AC XLPE cable was measured used this system. The result shows that the system is precise and the diagnostic criteria of A-factor should be corrected to meet the XLPE cable made in china. |
| Starting Page | 1114 |
| Ending Page | 1117 |
| File Size | 3504271 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424443673 |
| DOI | 10.1109/ICPADM.2009.5252308 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-07-19 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Isothermal processes Cable insulation Aging Current measurement Voltage control Plastic insulation Software measurement Degradation Power cables Polymers aging factor XLPE cable isothermal relaxation current life-time evaluation |
| Content Type | Text |
| Resource Type | Article |
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