In order to strengthen coronaeffect, arista electrode used as substitute for grid electrode was presented.
为了加强电极电晕效果，提出了用芒刺电极代替栅网电极。
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Coronaeffect is one of the key issues of designing UHV transmission lines, in which the influence of temperature and humidity on DC conductor corona should be considered.
The utility model has the advantages that the stability of the structure is good, the assurance coefficient is high, the anti-coronaeffect is good and the interchangeability of wires is good.