Transient Overvoltages Caused by Monopolar Ground Fault on Bipolar DC Line: Theory and Simulation
- 1 April 1970
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Apparatus and Systems
- Vol. PAS-89 (4), 584-592
- https://doi.org/10.1109/tpas.1970.292605
Abstract
A short circuit from one pole to ground on a bipolar overhead dc line can produce an overvoltage factor as high as 2.2 per unit on the unfaulted pole, which may cause flashover of line insulation, thus converting a monopolar fault into a bipolar one. This is undesirable because a bipolar fault causes a greater disturbance to the power system than does a monopolar fault.Keywords
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