Transmission and distribution collaborative hierarchical optimization scheduling method for integrated energy system

The invention discloses a transmission and distribution collaborative hierarchical optimization scheduling method for an integrated energy system, and belongs to the field of transmission and distribution optimization of the integrated energy system. The transmission and distribution collaborative hierarchical optimization scheduling method for the integrated energy system comprises the following steps: constructing a hot water network equivalent model and a terminal building equivalent model, and fusing to obtain a thermodynamic system equivalent model considering thermal inertia; building a natural gas pipeline equivalent gas path model, and building a natural gas system equivalent model considering pipe storage characteristics based on the natural gas pipeline equivalent gas path model; constructing a transmission network layer system optimization scheduling model and a distribution network layer system optimization scheduling model by taking economic optimization as a target based on the thermodynamic sys