A Multiple Energy Complementary Strategy Considering CCHP and Flexible Load in Active Distribution Network

2018 China International Conference on Electricity Distribution (CICED) Pub Date : 2018-09-01 DOI:10.1109/CICED.2018.8592518

J. Zhou, Y. Wang, C. Wang

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引用次数: 1

Abstract

With increasingly serious environmental problems, improving the energy utilization and reducing the emission of pollution has become an important direction for smart grid. The distributed CCHP system becomes a promising DG with its high energy efficiency. In this paper, firstly the traditional CCHP structure is optimized by heat storage system and power driven heat pump/electric refrigerator, in which the fixed relationship between power supply and heating is broken. Secondly, this paper analyses the characteristics of the flexible load. Considering the advantages of grid power supply, DG and demand response collaboration, this paper puts forward a multiple energy complementary strategy considering CCHP and FL. The method considers many indicators including the economic indicator, the environmental indicator, the energy efficiency indicator and the interests of users. Further, this paper transforms the multi-objective optimization problem into an integrated single objective problem by analytic hierarchy process. PSO algorithm is used in this strategy and the fitness function is constructed by penalty function method.

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主动配电网中考虑热电联产和柔性负荷的多能量互补策略

随着环境问题的日益严重，提高能源利用率，减少污染排放已成为智能电网发展的重要方向。分布式热电联产系统以其高能效成为一种很有前途的发电方式。本文首先通过蓄热系统和动力驱动热泵/电冰箱对传统的热电联产结构进行优化，打破了供电与供热的固定关系。其次，分析了柔性载荷的特点。考虑到电网供、DG和需求响应协同的优势，本文提出了一种考虑CCHP和FL的多重能源互补策略，该策略考虑了经济指标、环境指标、能效指标和用户利益等多个指标。进一步，利用层次分析法将多目标优化问题转化为一个综合的单目标问题。该策略采用粒子群算法，并采用罚函数法构造适应度函数。

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2018 China International Conference on Electricity Distribution (CICED)

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