Thermoelectric load optimization scheduling system for multiple sets of gas-steam combined cycle units

Abstract

Based on big data analysis and energy balance principles, the invention provides a thermoelectric load optimization scheduling system for multiple sets of gas-steam combined cycle units. The system obtains and uploads operating parameters of the gas-steam combined cycle unit measured and uploaded by field measurement instruments from a power plant DCS system; analyzes the operation parameters to obtain an actual operation trend curve of the equipment; combines the thermal demand and the power generation load demand as the total energy demand of the unit; the method aims at minimizing the totalconsumption of natural gas, thermal power and power generation load requirements of the thermal power plant are optimally distributed in all units through an optimization method, and the purposes that under the condition that the same thermal power and power generation load conditions are met, the comprehensive energy consumption of power generation and heat supply of the thermal power plant is the lowest, and the energy efficiency level is the optimal can be achieved. The system can effectively guide operating personnel to reasonably adjust the operating state, meet the production requirement, improve the heat supply quality, reduce the operating cost, achieve economic operation and improve the overall operating benefit of the thermal power plant.

Description

technical field [0001] The invention relates to the field of intelligent heat power and electric power production, in particular to a thermal and electric load optimization scheduling system for multiple sets of gas-steam combined cycle units based on big data analysis. Background technique [0002] Due to pressure from energy and the environment, more and more high-pollution, high-energy-consumption small thermal power plants have been shut down and replaced by gas-steam power plants characterized by high efficiency, low pollution, low cost, and quick start-stop. The combined cycle thermal power plant supplies external heat. Gas-steam combined cycle thermal power plants are generally equipped with more than two sets of combined heat and power units. The exhaust gas of the gas turbine passes through the waste heat boiler to generate steam and enters the steam turbine. Part of it generates electricity, and part of it is extracted or back-pressure exhausted into the heat netwo...

AI Technical Summary

Problems solved by technology

Unreasonable load distribution causes the unit to deviate from the optimal operation mode, which not only increases energy consumption, but even deteriorates unit performance and affects safe operation

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