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The composite insulations consisting of epoxy resin vanish and barrier material are widely used in the insulation system of wind turbine generator (WTG). The insulation system would withstand either the repetitive impulse or the AC stress, and electrical treeing is thought as one of the main contributing factors to the degradation of polymers. In this paper, electrical tree tests in composite insulation...
The insulation system of wind turbine generator (WTG) would subject to repetitive impulse voltage due to the application of inverter unit. The electrical tree propagation is one of the major causes of breakdown. In this paper, it is the main focus that how the different barrier materials in the composite insulation system influence the electrical trees propagation under the repetitive impulse voltage...
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