The line damages is the power supply enterprise important onotechnical norms, the management not only immediate influence enterprise's economic efficiency which is the business management key link, the line damages the height which and the line damages, moreover explained enterprise's management level to a certain extent. In the electric power enterprise's line damages in the management, distribution network's line damages the management is always the line damages the management the key point and essential. Reduces distribution network's electrical energy loss effectively, is the line damage technical makes the long-term pursue the goal, is also the large and middle scale urban power supply enterprise line damages the management the key point. This article through each kind of influencing factor which damages to the power distribution mesh wire carries on system's analysis, stresses carries on the analysis essential computation inferential reasoning from the theoretical side, the main research three-phase load not balanced power distribution mesh wire damages the influence, and target-oriented gives the corrective measure, damages the management for the power supply enterprise's power distribution mesh wire to provide the scientific basis.
Key word: Distribution network; The three-phase load is not balanced; Unbalancedness; Load current unbalancedness; Falls damages the measure
