一个每小时的气候预测和可再生能源发电数据集用于中国的电力系统建模
Ruijie Chen1, Benjamin F Hobbs2, Zongxiang Lu3
1Department of Electrical Engineering, Tsinghua University, 100084, Beijing, China.
Scientific data
|December 12, 2025
概括
本研究为中国 (2021-2060) 提供每小时气候和可再生能源数据,以改善电力系统规划. 该数据集将气候预测和能源系统建模联系起来,以实现可靠的能源转型.
科学领域:
- 气候科学 气候科学
- 能源系统分析 能源系统分析
- 环境建模环境建模
背景情况:
- 扩大可再生能源使得电力系统容易受到气候变化的影响.
- 全球气候模型 (GCM) 缺乏电力系统规划所需的每小时分辨率.
- 需求和可再生能源产量的日间变化对能源系统产生重大影响.
研究的目的:
- 为中国制定一个每小时的气候预测和可再生能源生产数据集.
- 为了解决GCM和电力系统模型之间的时间分辨率差距.
- 支持对气候变化下的可再生能源潜力和电力系统可靠性的研究.
主要方法:
- 使用基于模拟的时间缩小方法.
- 为数据集实现了0.5°的空间分辨率.
- 整合了四个社会经济路径 (SSP) 的五个GCM的数据.
主要成果:
- 为中国生成物理一致的每小时气象变量和可再生能源发电数据.
- 在多个GCM和SSP中确保连贯的每日统计数据.
- 数据集涵盖了从2021年到2060年的预测.
结论:
- 该数据集为能源系统建模提供可靠的未来气候表示.
- 促进关于可再生能源整合和电力系统弹性研究.
- 有助于理解在不断变化的气候条件下能源转型途径.
相关概念视频
Wind Turbine Machine Models
550
In the growing field of wind energy, incorporating wind turbine models into transient stability analysis is essential. Induction and synchronous machines are the primary models used, with induction machines being prevalent due to their simplicity and reliability.
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
550
Turbine-Governor Control
899
Turbine-governor control is crucial for maintaining power system stability by balancing turbine mechanical power output with electrical load demand. This mechanism ensures that generator frequency and rotor speed are within acceptable limits during load variations. Turbine-generator units store kinetic energy due to their rotating masses; this energy is released to meet the load requirement when the load increases. The electrical torque of turbines rises to meet the demand, whereas the...
899
Fast Decoupled and DC Powerflow
708
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
708
Generation of Three-Phase Voltage
726
A three-phase AC generator has a rotor with a rotating magnet placed within the stator mounted with the stationary three-phase winding to generate three-phase voltages via mutual induction. These windings are evenly distributed around the inner circumference of the stator and are arranged 120 electrical degrees apart. Three-phase stator windings consist of three separate coils or groups of coils, known as phases, each connected in Y (star) configuration or Delta configuration.
As the rotor...
As the rotor...
726
What is Climate?
20.4K
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
20.4K
Load-frequency control
587
Load-frequency control (LFC) is vital for maintaining power system stability, ensuring that frequency and power flows remain within acceptable limits during load changes. Turbine-governor control eliminates rotor accelerations and decelerations following load changes. However, a steady-state frequency error persists when the change in the turbine-governor reference setting is zero. In an interconnected power system, each area agrees to export or import a scheduled amount of power through...
587


