APPARATUS AND METHOD OF POWER FLOW CALCULATION OF BIPOLAR DC DISTRIBUTION SYSTEM CONSIDERING THE LOAD UNBALANCE

摘要

The present invention provides a method for calculating a power current of an unbalanced bipolar DC distribution system, the method comprising: setting an initial voltage value of a bus; calculating a current value by measuring a power value and a voltage value from a load or a power generation element connected to the bus bar through a node; generating a Y-Matrix vector including an n-th current matrix, an n-th voltage matrix, and a conductance matrix based on the calculated current value; rearranging the Y-Matrix vector when the power value measured from the load or the power generation element is less than or equal to the maximum power value; and repeating the process of rearranging the Y-Matrix vector until a difference between the n+1th voltage matrix and the nth voltage matrix of the rearranged Y-Matrix vector becomes less than a predetermined value.