Park integrated energy system energy efficiency evaluation method considering renewable energy access

Abstract

The invention relates to an energy efficiency evaluation method of a comprehensive energy system in a park considering the access of renewable energy, and belongs to the technical field of energy supply quality analysis and operation evaluation of the comprehensive energy system. This method fully considers the park-level comprehensive energy system as a whole for comprehensive evaluation, breaks the limitation of traditional indicators that only apply to cogeneration equipment, and takes into account the park's multi-form energy input including purchased electricity, fossil fuels, etc. The characteristics of various load types such as electricity, taking into account the impact of renewable energy access on system energy efficiency, can evaluate the utilization level of primary energy in the park as a whole. The proposed evaluation method can provide a basis for the planning and operation scheduling of the integrated energy system in the park, and promote the park operators to make more use of renewable energy such as wind power and photovoltaics, which is of great importance to the clean and efficient operation of the integrated energy system under the energy Internet system. effect.

Description

technical field [0001] The invention relates to an energy efficiency evaluation method of a comprehensive energy system in a park considering the access of renewable energy, and belongs to the technical field of energy supply quality analysis and operation evaluation of the comprehensive energy system. Background technique [0002] The integrated energy system is an important carrier of the Energy Internet. In the process of design, operation and management, it deeply integrates the source, network and load of various types of energy, and conducts a series of processes in production, transmission, conversion, storage and consumption. Versatile collaborative optimization. Through multi-energy coordination and energy cascade utilization, the integrated energy system can achieve clean, efficient, safe and reliable energy supply. According to geographical factors and energy characteristics, the integrated energy system can be divided into cross-regional, park-level and user-lev...

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Problems solved by technology

[0003] The purpose of the present invention is to propose an energy efficiency assessment method for park comprehensive energy systems that takes into account renewable energy access, to overcome the shortcomings of existing energy efficiency assessment methods, and to meet the needs of multi-energy flow input and output and renewable energy access such as wind power and photovoltaics. Energy efficiency assessment requirements for park-level integrated energy systems

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