在电力和天然气微型电网中,同时降低成本,同时存在分布式发电
Shahryar Behnia1, Saeed Kharrati1, Farshad Khosravi1
1Department of Electrical Engineering, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran.
PloS one
|September 19, 2024
概括
这项研究通过整合电力和天然气市场,优化了用于电网的储能和发电. 它通过先进的混合整数线性编程确保了高效的资源分配和电网稳定性.
科学领域:
- 能源系统工程 能源系统工程
- 运营研究 运营研究
- 电力系统分析 分析 分析
背景情况:
- 分布式发电 (DG) 在能源市场提供了灵活性,包括前一天和实时平衡.
- 电力和天然气网络的相互依赖性需要综合优化策略.
- 精确建模能源转换效率和运行状态对于有效的电网管理至关重要.
研究的目的:
- 为综合电气和天然气网络开发一个多目标优化框架.
- 调查分布式发电在能源市场的最佳参与.
- 加强储能系统的规划和从各种来源发电.
主要方法:
- 制定一个多目标功能,考虑电力和天然气网络的合.
- 使用混合整数线性编程 (MILP) 来解决问题.
- 纳入燃气轮机和燃料电池的非线性效率模型,以及运行状态的二进制变量.
主要成果:
- 储能系统 (充电/放电) 的最佳调度.
- 从各种能源中有效地规划发电.
- 在优化与非优化场景中展示改进的网络性能.
结论:
- 电力和天然气网络的综合优化提高了电网效率和稳定性.
- MILP为解决复杂的能源系统调度问题提供了一个强大的框架.
- 分布式发电和储能的战略部署是有效参与能源市场的关键.
相关概念视频
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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:
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01:23Maximum Power Flow and Line Loadability
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The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
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01:25Secondary Distribution
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Secondary distribution systems provide electrical energy at the utilization voltage levels from distribution transformers to customer meters. Typical secondary voltages in the United States include 120/240 V for residential use, 208Y/120 V for residential and commercial use, and 480Y/277 V for industrial and high-rise commercial use.
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01:30Control of Power Flow
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There are several methods to control power flow in power systems:
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01:26The Power Flow Problem and Solution
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01:25Multimachine Stability
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