在脆弱的电网中增加灵活性,使用电化学存储
Gustavo Adolfo Gómez-Ramírez1, Luis García-Santander2, Markel Zubiaga Lazkano3
1Escuela de Ingeniería Electromecánica, Intituto Tecnológico de Costa Rica, Cartago, 159-7050, Costa Rica.
Heliyon
|September 2, 2024
概括
电池储能系统 (BESS) 提高了低收入国家电网的灵活性和可靠性. 这项研究表明,BESS的部署减轻了不稳定性,并增强了像中美洲这样脆弱的电网中的电力传输.
科学领域:
- 电气工程 电气工程
- 可再生能源系统可再生能源系统
- 电力系统分析 分析 分析
背景情况:
- 开发可靠的电网对于低收入和中等收入国家来说是一个挑战.
- 保持强大的电网基础设施面临着可靠性,弹性和灵活性方面的问题.
- 非传统可再生能源资源的整合带来了进一步的挑战.
研究的目的:
- 提出一种方法来提高使用电池储能系统 (BESS) 的易受影响的电力系统的功率灵活性.
- 通过检查功率稳定性,运行条件和安全标准来确定BESS分配的最佳位置.
- 评估BESS在缓解中美洲电网电力传输限制和不稳定性的有效性.
主要方法:
- 利用电气过渡和分析程序 (ETAP®) 软件用于模拟中美洲的输电网.
- 检查了BESS选址的电源稳定性,运行条件和安全标准.
- 在各种应急场景下,模拟BESS部署,包括虚拟惯性和紧急备份能力.
主要成果:
- 建议包括BESS用于虚拟惯性和紧急备份,以减轻潜在的电网挑战.
- 在关键点进行BESS分配和尺寸的具体标准提高了功率转移的灵活性.
- 中美洲电力电力系统,易于传输限制,显示BESS的不稳定性降低,在研究周期中,功率增加不超过300兆瓦.
- 一个BESS具有1,060MWh/160MW容量和H=6s虚拟惯性被纳入了该方法.
结论:
- 在中央和分销层面部署BESS是一种可行的策略,可以提高脆弱电网的电力灵活性和弹性.
- 该方法有效地解决了电力传输限制和不稳定性问题,特别是在像中美洲这样的系统中.
- 这项研究证实了BESS在严重突发事件 (如频率下降和高功率传输事件) 中增强电网稳定性的作用.
更多相关视频
08:35Extending the Lifespan of Soluble Lead Flow Batteries with a Sodium Acetate Additive
Published on: January 7, 2019
9.1K
07:55Elemental-sensitive Detection of the Chemistry in Batteries through Soft X-ray Absorption Spectroscopy and Resonant Inelastic X-ray Scattering
Published on: April 17, 2018
12.7K
相关概念视频
01:10Energy Stored in Capacitors
463
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...
463
02:47Voltaic/Galvanic Cells
56.9K
Spontaneous Chemical Reactions
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
56.9K
03:12Batteries and Fuel Cells
27.2K
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
27.2K
01:12Energy 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
01:26Energy Stored in a Capacitor: Problem Solving
1.1K
In 1749, Benjamin Franklin coined the word battery for a series of capacitors connected to store energy. Capacitors store electric potential energy that can be released over a short time. This property means capacitors have a wide range of applications.
Capacitor-discharge ignition is a type of ignition system commonly found in small engines where the energy released from a capacitor ignites an induction coil that, in turn, fires the spark plug.
To calculate the energy stored in a capacitor of...
Capacitor-discharge ignition is a type of ignition system commonly found in small engines where the energy released from a capacitor ignites an induction coil that, in turn, fires the spark plug.
To calculate the energy stored in a capacitor of...
1.1K
01:24Fast Decoupled and DC Powerflow
178
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:
178