Akim Borbuev and  Francisco de León,  Increasing Power Transfer Capacity of Distribution Networks Using Direct Current Feeders.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2020, vol. 160(4). 98 - 105
    [viewed 21 April 2021]. Available from: https://publications.waset.org/pdf/10011177.