Abstract
A new numerical technique for the computation of space charge coupled problems is applied to the electrical corona at high voltage DC (HVDC) transmission line. The space charge and electrical potential distributions around a HVDC transmission line are calculated in the presence of crosswind. The numerical method remains stable for significantly stronger crosswinds than have been achieved in previous publications. The computational model is validated by comparison with experimentally measured current-voltage characteristics and ground current density distributions. An interesting feature is revealed where the lobe of maximum charge density at the wire drifts upstream as the crosswind strength increases. Numerical behaviour of the algorithm is discussed.
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