Correction to “Hybrid Traveling Wave/Boundary Protection for Monopolar HVDC Line” [Apr 09 569-578]

In the above titled paper (ibid., vol. 24, no. 2, pp. 569-578), there was an error in equation (2). The corrected equation and other corrections are presented here.

[1]  Hua Li,et al.  Analysis and Simulation of Monopolar Grounding Fault in Bipolar HVDC Transmission System , 2007, 2007 IEEE Power Engineering Society General Meeting.

[2]  A. Greenwood,et al.  Electrical transients in power systems , 1971 .

[3]  O.P. Malik,et al.  Hybrid Traveling Wave/Boundary Protection for Monopolar HVDC Line , 2009, IEEE Transactions on Power Delivery.