Energy management system and method for regional active distribution network

The invention discloses an energy management system and method for a regional active distribution network. The system comprises a distribution network control layer, a micro-grid control layer and a process layer; the process layer comprises a measurement and control terminal of primary equipment; the micro-grid control layer comprises a micro-grid coordination controller; the distribution network control layer comprises an active distribution network operation scheduling module and a micro-grid scheduling and evaluation module; the micro-grid scheduling and evaluation module is used for formulating a scheduling plan instruction of an off-grid micro-grid according to operating data of a measurement and control terminal in the off-grid micro-grid; and the active distribution network operation scheduling module is used for formulating a scheduling plan instruction of the active distribution network according to operating data of a distribution network DG (Distributed Generation) measurement and control terminal