3WENZEL D, SCHICHLER U, BORSI H, et al. Recognition of partial discharges on power units by directional coupling[C]// Ninth International Symposium on High Voltage Engineering, 1995.
4HEIZMANN T, ASCHWANDEN T, HAHN H, et al. On-site partial discharge measurements on premoulded cross-bonding joints of 170 kV XLPE and EPR cables[J]. IEEE Transactions on Power Delivery, 1998, 13(2): 330-335.
5TIAN Y, LEWIN P L, DAVIES A E, et al. Partial discharge detection in cables using VHF capacitive couplers[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2003, 10(2): 343-353.
