Regional multi-energy system structure and productivity configuration optimization method thereof

Abstract

The invention relates to a regional multi-energy system structure and a capacity configuration optimization method thereof, the system structure comprises an energy transmission and distribution system and a demand side energy supply system which are in interactive connection, and the demand side energy supply system comprises a traditional energy supply system, a renewable energy supply system and a combined heat, power and cooling energy supply system. The capacity configuration method specifically comprises the following steps: taking minimization of cost effectiveness as a target function; according to the energy conversion, the productivity constraint, the energy balance and the unit cost learning curve, setting and obtaining the constraint conditions; and on the basis of the objective function and the constraint condition, jointly constructing a productivity configuration optimization model, and solving the productivity configuration optimization model to obtain a productivity configuration optimal result. Compared with the prior art, multiple energy technologies can jointly participate in the optimization process, and the dynamic evolution of the technical cost can be comprehensively considered, so that the reliability of the optimization result is ensured.

Description

technical field [0001] The invention relates to the technical field of comprehensive energy optimization, in particular to a regional multi-energy system structure and a method for optimizing its production capacity allocation. Background technique [0002] In order to cope with global climate change and solve the problem of greenhouse gas emissions, the energy structure of various countries and regions is gradually developing towards low-carbon, high-efficiency, reliable, safe and sustainable. Among them, with the continuous development of energy technology, distributed The multi-energy system (Multi-Energy System, MES) characterized by multi-media has become an important direction for the transformation and development of the current energy structure. A multi-energy system is a distributed energy structure that crosses regions and energy media. It breaks the traditional energy structure in which different energy carrier systems operate independently, and realizes It elimi...

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Problems solved by technology

However, when most of the existing multi-energy system optimization methods consider the cost factor as the main optimization objective, the cost of renewable energy technology is fixed as an external given value (changed according to a fixed price or a fixed trajectory). This setting method cannot It reflects the dynamic cost evolution process accompanying the development trajectory of renewable energy technologies, resulting in poor reliability of the results of capacity optimization allocation, optimization results deviated from the actual level of technological development, and the optimization of energy supply system capacity allocation and energy technology costs cannot be guaranteed.

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