Microgrid (Zhejiang) with energy storage power system lithium battery, to achieve efficient storage and reliable supply of multiple forms of energy to the load, is an effective way to provide an active distribution network, in the realization of distributed power flexibility, efficient application, diverse forms, etc. plays a key role in fully solving the development and extension of large-scale access to renewable energy and capacity re-expansion, in terms of distribution of local area more Contingency and flexibility.