New energy management technologies for net zero building energy community

With the characteristics of multi-energy complementarity, integration of energy production and consumption and distributed energy supply in net zero building energy community and the operational management objectives, presents the new technologies for energy management, including energy bus technology, energy hub technology, energy block chain technology, ubiquitous green community control network protocols, as well as energy management technology and DC power supply technology based on big data. Points out the advantages and limitations of the technologies. Predicts their development prospects.