TOSCAN-D3300C intelligent power distribution network master station system complies with relevant international, industry, and corporate standards and relevant technical specifications to meet the information security protection requirements of the secondary power system. Realizing functional applications such as distribution SCADA and FA based on satellite maps, with distribution network analysis applications such as state estimation, power flow calculation, loop analysis, network reconfiguration, etc.; possessing intelligent applications such as distributed power access control and economic optimization operation; supporting Interconnection with other information systems to realize the sharing and integration of distribution network operation information, and providing technical support for distribution network regulation and operation management.