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Thanks to its large carrying capacity, excellent insulation property and high mechanical strength, PTFE insulated tubular busbar has been used in a broad range of applications in power station that covers the voltage level from 0.4 kV to 220 kV in China. PTFE has been found to be exposed to a great risk of partial discharge (PD) erosion which is generated due to the presence of defect within the insulation...
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