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To evaluate the thermal aging effect on space charge dynamics and carrier transport characteristics in cross-linked polyethylene (XLPE), films with the thickness of ∼300 μm are thermally aged at 120 °C for 36, 84, 168 and 252 hours, respectively. And then, the simultaneous measurement of space charge and conduction current is employed by our developed system, which overcomes the defect of the weak...
To overcome the weak correlation between space charge and conduction current caused by individual measurement, a specialized system based on pulsed electro-acoustic method (PEA) was designed to perform simultaneous measurement of space charge and conduction current for plate sample. Firstly, electric pulse response during space charge measurement was simulated to analyze the interference during conduction...
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