With distributed photovoltaic large-scale access

researches on the hosting capacity limit of distributed photovoltaics in active distribution network (ADN) have received extensive attention. To maximize the use of distributed photovoltaic resources

this paper proposes a calculation method for distributed photovoltaic maximum hosting capacity in ADN considering the flexibility of intelligent buildings (IBs). Firstly

considering the heat storage characteristics of the building

the IBs energy consumption model and its heat balance model with HVAC system is constructed. Secondly

considering the safety constraints of ADN operation

the optimization model for maximum hosting capacity of distributed photovoltaic in ADN with IBs is established. Then

based on the convex relaxation technology

the original model is converted into a second-order cone model

and the involute wire cutting algorithm is applied to obtain the optimal solution of the original model for the gap introduced by the convex relaxation. Finally

on the improved IEEE 33-node ADN

the effectiveness of the model and algorithm is verified

and the influence of different IBs tunable characteristics on the maximum hosting capacity of ADN distributed photovoltaic is analyzed.