Combined cooling and power scheduling system of fuel gas combined cycle unit and scheduling method thereof

Abstract

The invention provides a cooling and power scheduling system for adjusting power supply and cold water. The system comprises a fuel gas cycle coproduction unit, a centralized heat absorption type refrigerator which is installed at a hot water outlet, an air conditioner, an electric energy meter, a fan coil, a cold water gauge, first and second remote centralized controllers which are used for collecting power consumption data of the electric energy meter and cold water consumption data detected by the cold water gauge, and a scheduling control device which is used for controlling the unit, the air conditioner and the fan coil to operate by using the first and second remote centralized controllers. By collecting a pipeline distance between the user and the unit, a power supply output and acold water output of the unit are rationally scheduled by utilizing the pipeline distance, so that a power load is leveled, the effects of 'load shifting' are achieved and the fuel resource is prevented from wasting; meanwhile, the scheduling is more timely and accurate.

Description

technical field [0001] The invention relates to an urban comprehensive energy supply system, in particular to a method for realizing optimal control of a power system by dispatching cooling loads. Background technique [0002] Due to the development of my country's economy and the adjustment of industrial structure, the power peak-to-valley difference in the power system is increasing year by year. The difference in power peaks and valleys makes the average utilization hours of power equipment decrease, the efficiency of power generation decreases, the economic benefits decrease, and the safe operation of the power grid is greatly threatened. At present, pure condensing thermal power units are mainly used for peak regulation in power grids, but their characteristics are: insufficient capacity, huge energy consumption, and poor economy; while extraction condensing heat and power units operate in the mode of "heating power" according to relevant regulations, resulting in Ther...

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Problems solved by technology

[0003] The heating hot water produced by the gas-fired combined cycle unit cogeneration unit has a certain distance to reach the user due to the limitation of the transmission distance and the flow rate of the hot water, while the generated electricity can reach the user instantly; in the prior art, there is no basis The distance between the gas combined cycle unit and the user, the system and method for reasonably scheduling and controlling the gas combined cycle unit, make the scheduling more timely and accurate, and avoid wasting energy

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