HE Yuankang,DING Tao,LIU Ruifeng,et al.Practice and Experience of Trading Mechanism for Energy Pool of Renewable Energy Accommodation[J].Automation of Electric Power Systems,2021,45(7):163-169.
HE Yuankang,DING Tao,LIU Ruifeng,et al.Practice and Experience of Trading Mechanism for Energy Pool of Renewable Energy Accommodation[J].Automation of Electric Power Systems,2021,45(7):163-169. DOI: 10.7500/AEPS20200606003.
Practice and Experience of Trading Mechanism for Energy Pool of Renewable Energy Accommodation
with the continuous promotion of clean and low-carbon energy strategy
the installed capacity of renewable energy is growing rapidly
and the proportion of renewable energy generation in the system keeps increasing. The high permeability
the randomness and volatility of renewable energy put forward higher requirements for the regulation and carrying capacity of the system. On the basis of in-depth analysis of the characteristics of renewable energy generation
this paper explores the complementary potential of the power grid
and proposes the trading mechanism of the energy pool for renewable energy. First
the trading model of the energy pool for renewable energy is established; the constraint conditions are set; and the trading declaration and clearing methods are given. Then
the price mechanism considering the flexible price and the value system of the energy pool is explored. The settlement method of the energy pool is given. Finally
based on the practice of renewable energy accommodation in Northwest Power Grid of China
various kinds of trading practices are innovated and carried out
such as the replacement of the energy pool in the main control area
the energy pool in Xinjiang Autonomous Region
and the peak shaving and replacement of the energy pool between Shaanxi and Qinghai Provinces
China. The actual data shows that the energy pool mechanism fully demonstrates the value of system regulation; it can mobilize the flexible adjustment ability of the system to stabilize the fluctuation of renewable energy
and significantly improve the level of renewable energy accommodation.
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