COMPLEX ENERGY SYSTEM IN BIDIRECTIONAL ENERGY NETWORK AND CONTROL METHOD THEREOF

Provided is a control method of a complex energy system that supplies heat and power to energy consumers through a heat network and a power network. The control method includes monitoring energy consumption information of the energy consumers and confirming an energy price applied to each of the energy consumers, calculating a total energy consumption cost of the energy consumers according to the energy price and the energy consumption information, and controlling a cogenerator and a heat generator so that a sum of a power supply amount of the cogenerator and a power consumption amount from an external power grid is equal to a total power consumption amount of the energy consumers, a sum of a heat supply amount of the cogenerator and a heat supply amount of the heat generator is equal to a total heat consumption amount of the energy consumers, and a target function value obtained by subtracting the total energy consumption cost from a sum of a power consumption cost from the external power grid and operating costs of the cogenerator and the heat generator is maximized.