Intro：Inellignt box substationofseries YB, home box substation which adopts environment proection and new material, new tchnology and advanced components as well as high-low voltage automation tchnology, and among them, the high voltage side(12KV)can meet the demand ofpower department for power distribution automation, and the low voltage side (0.4KV) can meet the demand of ntlligent community property management, and the upper monitor which is located in the central station or the property management department can be used for four-remnote (remote measurement...