针对多区域电热市场的优化清算策略,考虑共享能源存储和综合需求响应
Shijia Chen1,2, Ze Ye1, Yichao Meng3
1Changsha University of Science and Technology, Changsha, 410114, Hunan, China.
Scientific reports
|September 12, 2024
概括
共享能源存储 (SES) 和综合需求响应 (DR) 降低能源成本,促进可再生能源的使用. 本研究提出了一个优化战略,用于一个合并的电热市场,包括SES和DR,改善储能利用率.
科学领域:
- 能源系统工程 能源系统工程
- 市场设计市场设计
- 整合可再生能源的整合
背景情况:
- 共享能源存储 (SES) 提供了一种新的方法,可以提高可再生能源的消耗,并降低用户的能源成本.
- 综合需求响应 (DR) 利用用户在电力和热量负载上的灵活性来优化能源系统.
- 现有的储能解决方案可能无法充分利用市场潜力或用户灵活性.
研究的目的:
- 为一个多区域的电热共同市场提出一个优化清算策略.
- 介绍和分析共享能源储能站 (SESS) 的概念和商业模式.
- 将SES和全面的DR模型整合到市场清算框架中.
主要方法:
- 开发一个集成的DR模型,包括可转移,可转移和可中断的电力和热负荷.
- 构建一个多区域的电热联合市场清算模型,包括SESS和集成的DR.
- 使用三个地区的电热联合市场模拟的案例研究分析.
主要成果:
- 拟议的SESS模型显示了相对于传统储能配置的优势.
- 综合DR模型有效地利用了电力和热能部门的用户灵活性.
- 采用SESS和集成DR的联合市场清算模型导致用户能源成本降低.
结论:
- 共享储能站 (SESS) 和综合需求响应 (DR) 显著提高了储能利用率.
- 拟议的优化战略提高了多区域电热联合市场的经济效率.
- 在促进可再生能源和优化能源成本方面,SES和综合DR至关重要.
相关概念视频
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
01:25Secondary Distribution
82
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.
In residential areas, 120/240 V single-phase, three-wire service is commonly used for lighting, outlets, and large appliances. Urban areas with high-density loads...
In residential areas, 120/240 V single-phase, three-wire service is commonly used for lighting, outlets, and large appliances. Urban areas with high-density loads...
82
01:28Load-frequency control
137
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...
137
01:07Refrigerators and Heat Pumps
2.2K
Refrigerators or heat pumps are heat engines operating in a reverse direction. For a refrigerator, the focus is on removing heat from a specific area, whereas, for a heat pump, the focus is on dumping heat into one particular area. A refrigerator (or heat pump) absorbs heat Qc from the cold reservoir at Kelvin temperature Tc and discards heat Qh to the hot reservoir at Kelvin temperature Th, while work W is done on the engine’s working substance.
A household refrigerator removes heat from...
A household refrigerator removes heat from...
2.2K
01:25Multimachine Stability
150
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
150
01:30Control of Power Flow
255
There are several methods to control power flow in power systems:
255