一个多十年每小时一致的风能和太阳能发电生产数据集,用于邻近的美国
Allison M Campbell1, Cameron Bracken2, Scott Underwood1
1Pacific Northwest National Laboratory, Richland, WA, USA.
Scientific data
|October 11, 2024
概括
这项研究介绍了43年的每小时风能和太阳能发电生产数据集,用于连续的美国. 这些可再生能源数据支持关键的电网可靠性和资源充足性评估.
科学领域:
- 能源系统分析 能源系统分析
- 可再生能源资源可再生能源资源
- 气候变化对电网的影响
背景情况:
- 可再生能源的快速扩张需要长期的每小时电力生产数据,以提高电网可靠性和资源充足性.
- 现有的气象数据集缺乏权力域扩展,动态一致性和足够的历史深度 (不到十年).
研究的目的:
- 提供一个43年的数据集,为连续的美国提供巧合的,工厂级的风能和太阳能发电生产.
- 为了能够对大量系统研究 (例如,平衡机构,州) 有关的规模进行聚合.
- 建立一个记录和评估的多十年电力系统研究的基线.
主要方法:
- 使用的美国能源信息管理局 (EIA) 形式860数据用于工厂识别 (截至2020年).
- 开发了一个43年的每小时数据集,模拟风能和太阳能发电.
- 根据EIA-923月度生成和平衡机构 (BA) 报告的每小时数据验证了数据集.
主要成果:
- 与EIA-923月度生成相比,数据集显示的偏差最小 (<5%).
- 与BA报告的每小时发电量相比,太阳能发电数据显示偏差低 (<7%).
- 风力发电数据显示,与BA报告的每小时发电量相比,风力发电量略有分散.
结论:
- 43年的数据集为多十年的电力系统研究提供了强大的,经过评估的基线.
- 该资源对于评估电网可靠性,资源充足性和气候变化对可再生能源的影响至关重要.
- 该数据集有助于理解对可再生资源的新兴气候威胁.
相关概念视频
Energy and Power Signals
264
In an electrical system with a resistor, voltage and current signals facilitate the measurement of power and energy across the resistor. For a continuous-time signal, the total energy over a time interval is defined as the integral of the square of the signal's magnitude over that interval. Mathematically, this is expressed as:
264
Wind Turbine Machine Models
109
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...
109
Instantaneous Power
364
Instantaneous power is important in electrical circuits, mainly when dealing with sinusoidal input. Instantaneous power, denoted as p(t), results from the multiplication of the instantaneous voltage (v(t)) across an element and the instantaneous current (i(t)) flowing through it. This relationship adheres to the passive sign convention and represents a fundamental principle in electrical engineering.
364
Fast Decoupled and DC Powerflow
177
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:
177
Precipitation and Co-precipitation
1.7K
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
1.7K
Energy and Power of a Wave
3.5K
The total energy associated with a wavelength is the sum of the potential energy and the kinetic energy. The average rate of energy transfer associated with a wave is called its power, which is total energy divided by the time it takes to transfer the energy. For a sinusoidal wave, energy and power are proportional to the square of both the amplitude and the angular frequency.
Waves can also be concentrated or spread out, as characterized by the intensity of the wave. Intensity is directly...
Waves can also be concentrated or spread out, as characterized by the intensity of the wave. Intensity is directly...
3.5K


