Main Article Content
Temperature and leakage current on the ZnO arrester are interrelated with each other. In low conduction region, voltage-current characteristics of ZnO surge arrester are highly dependent on temperature. The leakage current will increase as the temperature increases and experience thermal runaway when the temperature exceeds the acceptable limit. This phenomenon is associated with the increase of resistive leakage current due to degradation. Therefore the temperature and leakage current are good indicator to evaluate the condition of ZnO arrester. This paper proposed the degradation prediction of ZnO surge arrester by analyzed the temperature and leakage current. The 132 kV station type ZnO surge arrester was employed. Temperature profile of ZnO arrester was obtained using thermal camera. The leakage current was measured simultaneous with the temperature measurement to attain the leakage current at the actual temperature. The results shows the leakage current continue increasing by increasing the temperature.
Keywords : Resistive leakage current, temperature, degradation, prediction, zinc oxide surge arrester
2. Abdul-Malek, Z., Novizon, and Aulia. A new method to extract the resistive component of the metal oxide surge arrester leakage current. in Power and Energy Conference, 2008. PECon 2008. IEEE 2nd International. 2008.
3. Huijia, L. and H. Hanmei. Development of Tester of the Resistive Leakage Current of MOA. in Power and Energy Engineering Conference (APPEEC), 2010 Asia-Pacific. 2010.
4. Zhi-niu, X., et al., A Current Orthogonality Method to Extract Resistive Leakage Current of MOSA. Power Delivery, IEEE Transactions on, 2013. 28(1): p. 93-101.
5. Lira, G.R.S. and E.G. Costa, MOSA Monitoring Technique Based on Analysis of Total Leakage Current. Power Delivery, IEEE Transactions on, 2013. 28(2): p. 1057-1062.
6. Lee, S.-B., S.-J. Lee, and B.-H. Lee, Analysis of thermal and electrical properties of ZnO arrester block. Current Applied Physics, 2010. 10(1): p. 176-180.
7. Abdul-Malek, Z., Novizon, and Aulia. Portable device to extract resistive component of the metal oxide surge arrester leakage current. in 2008 Australasian Universities Power Engineering Conference, AUPEC 2008, December 14, 2008 - December 17, 2008. 2008. Sydney, NSW, Australia: Inst. of Elec. and Elec. Eng. Computer Society.
8. Abdul-Malek, Z., et al. Field experience on surge arrester condition monitoring - modified shifted current method. in 2010 45th International Universities' Power Engineering Conference, UPEC 2010, August 31, 2010 - September 3, 2010. 2010. Cardiff, United kingdom: IEEE Computer Society.
9. Lundquist, J., et al., New method for measurement of the resistive leakage currents of metal-oxide surge arresters in
service. Power Delivery, IEEE Transactions on, 1990. 5(4): p. 1811-1822.
10.Silva, D.A., et al. Polymer surge arresters:
Degradation versus electrical performance. in Electrical Power and Energy Conference (EPEC), 2012 IEEE. 2012.