一个有效的解决方案来促进波浪发电:混合储能系统整合到电网连接系统中的波浪能量转换器的好处
Linda Barelli1, Gianni Bidini1, Dana Alexandra Ciupageanu1,2
1Department of Engineering, University of Perugia, Via G. Duranti 1/A4, Perugia, 06125, Italy.
Open research Europe
|May 23, 2024
概括
使用电池和飞轮的混合储能系统 (HESS) 显著减少了波浪能量转换器的功率波动. 这种先进的管理策略提高了电网稳定性,并延长了组件的寿命.
科学领域:
- 可再生能源系统可再生能源系统
- 电气工程 电气工程
- 储能 储能 储能 储能 储能 储能
背景情况:
- 波浪能源是一个有前途的可再生能源,具有很高的理论潜力.
- 波浪能量的网格集成是具有挑战性的,因为它的随机性质.
- 电气合规问题阻碍了波浪能量转换器的广泛采用.
研究的目的:
- 为了研究一个混合能源存储系统 (HESS) 连接到电网的波能量转换器 (WECs).
- 实施和评估HESS的同时扰乱随机近似 (SPSA) 电源管理策略.
- 评估HESS在减轻功率振荡和改善电网集成方面的有效性.
主要方法:
- 将离子电池和飞轮HESS合到连接到电网的WEC.
- 利用来自欧洲三个沿海地点的真实年度波浪功率数据.
- 实现实时HESS电源管理的SPSA原则.
主要成果:
- 在通用合点 (PCC) 实现了超过80%的功率振荡减少.
- 在不同地点展示了SPSA管理战略的稳定性.
- 报告说,平均能耗处罚略高于5%,电池负载减少了64%以上.
结论:
- 集成HESS最大限度地提高了WEC的产量,并使PCC的输出功率平滑.
- 带有SPSA的飞轮电池HESS为增加波浪发电提供了灵活性.
- 这种方法减轻了波浪能量的变化,提高了电网的安全性和稳定性.
相关概念视频
Energy Stored in Capacitors
482
A parallel plate capacitor, when connected to a battery, develops a potential difference across its plates. This potential difference is key to the operation of the capacitor, as it determines how much electrical energy the capacitor can store.
By integrating the equation that relates voltage and current in a capacitor, one can derive an equation for the voltage across the capacitor at any given time. This equation is crucial in understanding and predicting the behavior of capacitors in...
By integrating the equation that relates voltage and current in a capacitor, one can derive an equation for the voltage across the capacitor at any given time. This equation is crucial in understanding and predicting the behavior of capacitors in...
482
Energy and Power of a Wave
3.6K
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...
3.6K
Energy Line and Hydraulic Gradient Line
1.0K
Based on Bernoulli's equation, the energy line (EL) and hydraulic grade line (HGL) provide graphical representations of energy distribution in a fluid flow system. For steady, incompressible, inviscid flows, Bernoulli's equation is expressed as:
1.0K
Energy Stored in a Capacitor
3.6K
When an archer pulls the string in a bow, he saves the work done in the form of elastic potential energy. When he releases the string, the potential energy is released as kinetic energy of the arrow. A capacitor works on the same principle in which the work done is saved as electric potential energy. The potential energy (UC) could be calculated by measuring the work done (W) to charge the capacitor.
3.6K
Kinetic and Potential Energy of a Wave
3.7K
All forms of waves carry energy; this is directly visualized in nature. For instance, the waves of earthquakes are so intense that they can shake huge concrete buildings, causing them to fall. Loud sounds can damage nerve cells in the inner ear, causing permanent hearing loss. The waves of the oceans can erode beaches.
In mechanical waves, the amount of energy is related to their amplitude and frequency. In the context of the above examples, large-amplitude earthquakes produce large...
In mechanical waves, the amount of energy is related to their amplitude and frequency. In the context of the above examples, large-amplitude earthquakes produce large...
3.7K
Energy Stored in Inductors
373
An inductor is ingeniously crafted to accumulate energy within its magnetic field. This field is a direct result of the current that meanders through its coiled structure. When this current maintains a steady state, there is no detectable voltage across the inductor, prompting it to mimic the behavior of a short circuit when faced with direct current.
In terms of gauging the energy stored within an inductor, it is equivalent to the integral of the power delivered at every individual moment, all...
In terms of gauging the energy stored within an inductor, it is equivalent to the integral of the power delivered at every individual moment, all...
373


