Power Smoothing Strategy for Industrial Park Tie-Line Considering Production Safety

doi:10.16183/j.cnki.jsjtu.2022.516

Abstract

Abstract:

The high proportion of renewable energy integration to industrial parks has become the main way for energy-intensive industrial loads to achieve low-carbon transition. The sharp and frequent power fluctuation of tie-line is the key problem of low-carbon transition for industrial parks. Therefore, an industrial park tie-line power smoothing strategy considering production safety is proposed. First, the control model of the production equipment for electrolytic aluminum and arc furnace is analyzed, the power closed-loop feedback control model of industrial load is established based on power fluctuation feedback. Then, considering the core influencing factors of industrial production, the state of temperature with energy-intensive equipment is established, a control cost model for demand response is formed, and the control objective to each industrial load is assigned based on the optimization objective for the minimum penalty cost. Finally, the MATLAB online calculation and RTDS simulation real-time interactive example is established based on Wenshan power grid in Yunnan Province. The simulation results show that the smelting temperature is updated adaptively, the influence of power regulation on production is reduced effectively, and the economic cost of tie-line is reduced by 36.4%.

Key words: renewable energy power fluctuation smoothing, energy-intensive industrial loads, production safety boundary, state of temperature with energy-intensive equipment

CLC Number:

TM762

XU Jian, YU Qingfang, LIAO Siyang, KE Deping, SUN Yuanzhang. Power Smoothing Strategy for Industrial Park Tie-Line Considering Production Safety[J]. Journal of Shanghai Jiao Tong University, 2024, 58(6): 941-953.

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