Abstract:Grid and grid planning of distribution network planning is a new concept and method, but from a practical point of view, the current understanding of the industry "grid" and "grid planning real consensus has not yet formed, the grid definition, division principle and planning system based on grid were not clear this. Accordingly, we on the basis of absorbing the domestic and international mainstream views, through the planning practice, formed a distribution model of grid power demand side, including the power supply side of operation and management of three aspects; according to the new concept of power grid planning, the "first division", "global", "basic steps to partition" the first "bottom-up" and "top-down" analysis, planning work mode, and put forward the scientific and reasonable method for the actual operation of the power distribution grid layout planning, presents the practical planning results; at the same time, based on the standardized analysis of grid characteristics, in accordance with the same type of grid standardization "," different grid types differentiated "principle, integration of" standardization "and" differences "of the planning objectives. Based on this, a grid based integrated planning system for distribution network is given. This planning system has a positive guiding role in the current distribution network planning practice.