An optimization method of multi-energy complementary integrated system

Abstract

The invention discloses an optimization method of a multi-energy complementary integrated system, A new optimization method is established with the constraint conditions of the best economy and the least carbon dioxide emission, Equipment composition for the entire integrated system: prime mover, absorption chiller, Heat exchange equipment, gas-fired boilers, photovoltaic power generation and ground-source heat pump systems, which calculate carbon dioxide emission reductions, environmental tax savings, renewable energy green certificates and transaction costs of energy rights for efficient gas-fired energy stations, based on the energy balance between each system and the end user, with the traditional split-supply system as a reference; Preliminary derivation of the optimal economic systemmix interval, and then through the lowest carbon dioxide emissions as a constraint condition for verification, the final selection of environmental protection and economic optimal system capacity allocation. The method realizes the optimization of system configuration according to the environmental protection and high efficiency of the multi-energy complementary integrated system.

Description

technical field [0001] The invention relates to a multi-energy complementary system including natural gas, solar energy and geothermal energy, in particular to a double-constraint optimization method based on the system. Background technique [0002] The integrated energy system is a multi-energy complementary system including natural gas, solar energy, and geothermal energy. It is characterized in that, in areas with more cooling loads than heating loads, the heat emitted to the ground is more than the heat absorbed from the ground, resulting in soil heat imbalance, while buildings The solar energy resource under the cooling condition is more abundant than that under the heating condition. Using this feature just makes up for the shortcoming of soil heat imbalance, which ensures the performance of the ground source heat pump; in areas with more heat load than cooling load, The heat absorbed from the ground is more than the heat discharged to the ground, resulting in soil he...

AI Technical Summary

Problems solved by technology

Under the trend of higher and higher environmental protection requirements, the existing evaluation index system cannot comprehensively and accurately evaluate the technical economy of the integrated system because it does not consider the cost of pollutant discharge, which seriously affects the design and promotion of multi-energy complementary systems.

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