Electricity-hydrogen comprehensive energy system considering heat-hydrogen cogeneration and capacity configuration method thereof

Abstract

The invention discloses an electric hydrogen comprehensive energy system considering thermal hydrogen co-production and a capacity configuration method thereof, and the method comprises the steps: building a thermal hydrogen co-production model considering the start-stop operation constraint of equipment, wherein the model can control and flexibly adjust the proportion of output hydrogen energy and heat energy according to the input electric energy and the temperature of the model; secondly, establishing models of all equipment in the electric hydrogen comprehensive energy system so as to formthe electric hydrogen comprehensive energy system with multi-energy requirements of electricity, heat, cold, hydrogen and the like; during planning, obtaining renewable energy output and multi-energyload information in the system firstly; then collecting parameter information of different devices, further considering operation constraints of the different devices, and therefore forming a mixed integer linear programming model, namely an electric hydrogen comprehensive energy system programming model, for the electric hydrogen comprehensive energy system, wherein the model can be directly solved through Cplex. The method provided by the invention can effectively improve the economy and the operation flexibility of the electric hydrogen comprehensive energy system.

Description

technical field [0001] The invention belongs to the application field of comprehensive energy systems, and specifically relates to an electric-hydrogen comprehensive energy system and a capacity configuration method thereof considering cogeneration of heat and hydrogen. Background technique [0002] The regional integrated energy system plays an important role in improving energy utilization efficiency, promoting the development and utilization of renewable energy, reducing greenhouse gas emissions, and improving the living environment. With the development of fuel cell technology and electric hydrogen production technology, the development of hydrogen energy in the field of transportation has become increasingly prominent. The existing regional comprehensive energy system does not consider the demand for hydrogen. In the modeling research for electric hydrogen production equipment, many literatures are Treat it as a constant efficiency, ignoring its start-stop constraints a...

AI Technical Summary

Problems solved by technology

With the development of fuel cell technology and electric hydrogen production technology, the development of hydrogen energy in the field of transportation has become increasingly prominent. The existing regional comprehensive energy system does not consider the demand for hydrogen. In the modeling research for electric hydrogen production equipment, many literatures are Treat it as a constant efficiency, ignoring its start-stop constraints and waste heat utilization

Images