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The lightning waves are one of the main over-voltage electric power equipment suffers, the lighting waves propagate on transmission line in the form of lightning current and lightning current of larger amplitude may bring great effect on insulation combining of adjacent substation and electromagnetic compatible stability. Statistics show that as one of the main factors leading to the failure of the...
In order to promote the flexibility about the selection of transmission corridor, DC gas insulated transmission line (GIL) can be utilized to substitute part of the overhead line or cable in special environment. Key factors that greatly threaten the insulation level of GIL are surface charge accumulation along the insulator surface and electric field distortion under DC voltage. In this paper, the...
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