Demand side energy hub and energy storage cooperate to smooth peak and valley and improve wind power consumption model
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    Abstract:

    In order to solve the problems in active distribution network which incorporates wind power and energy hub, including the escalating power peakvalley fluctuation and wind curtailment, a model for power peakvalley regulation, as well as the wind power accommodation enhancement, is proposed by adjusting both the energy hub and energy storage on the demand side. Through analyzing the model of the sourceload storage on the demand side, the influence of both the wind power accommodation and the power peakvalley difference is assessed, then the equivalent load curve is obtained. The wind powerbased combined coolingheatingandpower weight coefficient is proposed according to the load change and wind power penetration rate during each period. The coupling operation mode of cooling and thermoelectricity in energy hubs is improved, and the level of the wind power accommodation is enhanced through the multienergy complementarity. Meanwhile, the coupling operation mode can also be improved via the proposed model and the EH to determine the charge and discharge controlling strategy of energy storage adapting the operation state of active distribution network. The power peak and valley can be suppressed via the vertically transfer of power, and the accommodation level of wind power can be improved. Finally, an improved IEEE 33node distribution system is included to simulate the model. The results show that this model can effectively improve the wind power accommodation in the active distribution network, along with the peak reduction and valley filling in power load.

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鲁鹏,田浩,武伟鸣,王铁强,何益鸣,郭光,马瑞.需求侧能量枢纽和储能协同提升风电消纳和平抑负荷峰谷模型[J].电力科学与技术学报英文版,2021,36(1):42-51. LU Peng, TIAN Hao, WU Weiming, WANG Tieqiang, HE Yiming, GUO Guang, MA Rui. Demand side energy hub and energy storage cooperate to smooth peak and valley and improve wind power consumption model[J]. Journal of Electric Power Science and Technology,2021,36(1):42-51.

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  • Received:
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  • Online: April 16,2021
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