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基于两阶段级联模型的光伏功率群体预测方法
光伏发电系统的不确定性和波动性使得准确预测光伏发电量成为提高系统效率的关键挑战之一。相对于单站点光伏预测，光伏群体预测能够在一定程度上提高整体预测精度，从而有效服务于省级电网电力电量平衡。此外，通过多阶段级联模型的思想将群体预测模型分成2个阶段，能够加快训练的收敛速度。 …
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Capacity credit assessment of regional renewable generation considering multi-time-scale forecast errors
The temporal variability and forecast uncertainty of renewable energy pose great challenges to supply–demand balance in power systems. …
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Capacity credit assessment of regional renewable generation considering multi-time-scale forecast errors
Policy-Assisted Graph Reinforcement Learning for Real-Time Economic Dispatch
An online optimization framework with policy-assisted graph reinforcement learning (PAGRL) is proposed for real-time economic dispatch …
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基于Copula时空相关性模型的新能源容量置信度准时序评估
新能源渗透率的提升对电力系统的供电保障能力提出了挑战，如何考虑新能源的多维时空相关性对其容量置信度进行准确量化评估，对新型电力系统的可靠性分析与电源规划有着重要意义。为此，提出基于Copula转移核-连续状态空间马尔可夫链的时间相关性模型和基于D-Vine Copula …
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Hybrid quantum annealing decomposition framework for unit commitment
Quantum computing is an emerging and promising technology that has overwhelming quantum advantages compared to its classical …
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Second harmonic current reduction of dual active bridge converter under dual-phase-shift control in two-stage single-phase inverter for residential energy storage system
The second harmonic current (SHC) generated by the pulsating output power in two-stage single-phase inverters will penetrate to …
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A coordination control between energy storage based DVR and wind turbine for continuous fault ride-through
Abstract Continuous fault ride-through (CFRT) issues often arise in wind power systems. CFRT results in continuous voltage fluctuations …
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Unit commitment of power systems considering system inertia constraints and uncertainties
Large-scale integration of renewable energy into the power grid results in a lack of system inertia, posing challenges to the optimal …
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Unit commitment of power systems considering system inertia constraints and uncertainties
Feasible-enabled integer variable warm start strategy for security-constrained unit commitment
Security-constrained unit commitment (SCUC) is a crucial procedure in power system planning and operation. As renewable resources are …
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Consecutive Year-by-Year Planning of Grid-Side Energy Storage System Considering Demand-Side Response Resources
Demand-side response (DR) and energy storage system (ESS) are both important means of providing operational flexibility to the power …
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