Aiming at the problem of new-energy accommodation and low-carbon heating in the energy supply system of countryside

a new method of coordinated heat and power dispatch is proposed

which considers heat balance model of building and flexible indoor comfort constraint of customers. First of all

a flexible indoor comfort constraint based on the schedule of villagers is put forward

and then a heat balance model is established

which considers the building envelope

the penetration of doors and windows

heat consumption of opening doors and windows and the heat dissipation of the internal heat source. Secondly

the basic architecture for the micro energy network of countryside is constructed

which includes household electric-heating supply system and village-level centralized photovoltaic system. Thirdly

the models of various components in microgrid are developed

such as air source heat pump model. Furthermore

a mathematical model of coordinated heat and power dispatch is established

which considers the economy of the whole system under the indoor comfort constraint. A solution method based on genetic algorithm is proposed. Finally

the validity and practicability of this method is verified by a typical case analysis.