CN108599271A - A kind of island Integrated Energy energy management method - Google Patents
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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- H—ELECTRICITY
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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Abstract
本发明提供了一种海岛能源综合能量管理方法，充分掌握海岛波浪能、光伏、风电的出力特性以及海水淡化等海岛可控负荷的动态运行特性，分析影响海岛能源网新能源利用率的因素；研究不同时间、空间尺度的源荷运行特性匹配关系，研究适应可再生能源消纳及能源综合利用的海岛能源最佳配置方法及主动控制技术；基于分层、分区的原则，综合考虑系统综合运行成本最低、可再生能源最大化消纳以及网损最小等目标，开发多元化能量管理系统。本发明根据发电设备运行功率输出情况，结合历史记录分析，通过优化算法及时制定相应的优化调度方案指导负荷调用、发电调度以及储能控制，最终实现海岛能源综合利用与负荷精细化管理。
The invention provides a comprehensive energy management method for island energy, which fully grasps the output characteristics of wave energy, photovoltaic power, and wind power on the island, and the dynamic operating characteristics of the island's controllable loads such as seawater desalination, and analyzes the factors that affect the utilization rate of new energy in the island energy network; Study the matching relationship of source-load operation characteristics at different time and space scales, and study the optimal allocation method and active control technology of island energy adapted to the consumption of renewable energy and comprehensive energy utilization; based on the principle of layering and zoning, comprehensively consider the comprehensive operation of the system Develop a diversified energy management system with the goals of lowest cost, maximum consumption of renewable energy, and minimum network loss. According to the operation power output of the power generation equipment, combined with the analysis of historical records, the present invention timely formulates a corresponding optimal scheduling plan through an optimization algorithm to guide load call, power generation scheduling and energy storage control, and finally realizes comprehensive utilization of island energy and fine management of load.
Description
技术领域technical field
本发明属于能量管理技术领域，特别涉及一种海岛能源综合能量管理方法。The invention belongs to the technical field of energy management, and in particular relates to a comprehensive energy management method for sea island energy.
背景技术Background technique
近年来，随着国内外在微电网概念验证、运行特性研究、控制方案测试等方面相关工作的开展，微电网的研究逐渐从基本理论分析和实证系统搭建等单一微电网研究过渡到多个微电网协调控制，考虑电网互动的优化调度以及多元化能量管理研究，这些关键技术为提升新能源的消纳水平，保证微电网安全高效运行提供了有效途径。In recent years, with the development of related work in microgrid concept verification, operation characteristics research, and control scheme testing at home and abroad, microgrid research has gradually transitioned from single microgrid research such as basic theoretical analysis and empirical system construction to multiple microgrids. Coordinated control of the power grid, optimal scheduling considering the interaction of the power grid, and research on diversified energy management, these key technologies provide an effective way to improve the consumption level of new energy and ensure the safe and efficient operation of the micro-grid.
目前全国仍有近百万户居民生活在缺电或者少电的沿海及岛屿地区。对于大型群岛而言，由于对电力需求总量和可靠性均有较高的要求，因此往往通过海缆与大陆联网。但一旦海缆等陆上供电设施出现故障，海岛恢复供电时间长，现有柴油发电系统难以保证海岛能源供应的稳定性。而且柴油运输较为困难，成本较高。而对于其他偏远小岛而言，由于最大负荷有限、输送距离较远、岛屿面积狭窄，铺设海缆在技术与经济方面需要付出更大代价，因此更需要围绕可再生能源为核心，开发清洁可靠的海岛电网。值得注意的是，多数海岛及其周围拥有丰富的近海可再生能源，如风能、波浪能、潮流能、太阳能等。通过构建高效清洁的海岛能源体系，特别是大力发展含多种可再生能源发电的海岛电网，不仅能够解决海岛的一次能源短缺等问题，也有助于保护海洋环境、促进节能减排。针对海岛供水供电困难及生活用能等难题，建设具备多类型新能源供电、海水淡化、制氢等离网海岛能源综合利用系统对于离网海岛的开发显得尤为关键。At present, there are still nearly one million households in the country living in coastal and island areas that lack or lack electricity. For large archipelagos, due to the high requirements on the total power demand and reliability, they are often connected to the mainland through submarine cables. However, once land-based power supply facilities such as submarine cables fail, it will take a long time for the island to restore power supply, and the existing diesel power generation system cannot guarantee the stability of the island's energy supply. Moreover, the transportation of diesel oil is more difficult and the cost is higher. For other remote islands, due to the limited maximum load, long transmission distance, and narrow island area, laying submarine cables requires a higher technical and economic cost. Therefore, it is more necessary to focus on renewable energy and develop clean and reliable solutions. island grid. It is worth noting that most islands and their surroundings are rich in offshore renewable energy, such as wind energy, wave energy, tidal current energy, and solar energy. By building an efficient and clean island energy system, especially vigorously developing island power grids with multiple renewable energy sources, it will not only solve the island's primary energy shortage, but also help protect the marine environment and promote energy conservation and emission reduction. In view of the difficulties in water supply and power supply and domestic energy consumption of islands, it is particularly critical for the development of off-grid islands to build an off-grid island energy comprehensive utilization system with multiple types of new energy power supply, seawater desalination, and hydrogen production.
发明内容Contents of the invention
本发明根据发电设备运行功率输出情况，结合历史记录分析，通过优化算法及时制定相应的优化调度方案指导负荷调用、发电调度以及储能控制，最终实现海岛能源综合利用与负荷精细化管理。According to the operation power output of the power generation equipment, combined with the analysis of historical records, the present invention timely formulates a corresponding optimal scheduling plan through an optimization algorithm to guide load call, power generation scheduling and energy storage control, and finally realizes comprehensive utilization of island energy and fine management of load.
本发明具体为一种海岛能源综合能量管理方法，所述综合能量管理方法具体包括如下步骤：The present invention is specifically a comprehensive energy management method for island energy, and the comprehensive energy management method specifically includes the following steps:
步骤(1)：建立分布式可再生能源电源、储能系统、可控负荷以及微电网的机理模型；Step (1): Establish a mechanism model of distributed renewable energy sources, energy storage systems, controllable loads, and microgrids;
步骤(2)：确定各种可再生能源发电装置、储能装置以及可控负荷的功率特性；Step (2): Determine the power characteristics of various renewable energy power generation devices, energy storage devices and controllable loads;
步骤(3)：分析影响海岛能源网新能源利用率的因素；Step (3): Analyze the factors that affect the utilization rate of new energy in the island energy grid;
步骤(4)：确定不同时间、空间尺度的源荷运行特性匹配关系；Step (4): Determine the matching relationship of source-load operation characteristics at different time and space scales;
步骤(5)：确定适应可再生能源消纳及能源综合利用的海岛能源最佳配置方法；Step (5): Determine the optimal allocation method of island energy that is suitable for renewable energy consumption and energy comprehensive utilization;
步骤(6)：确定海岛能源网综合能量管理及主动控制技术；Step (6): Determine the comprehensive energy management and active control technology of the island energy network;
步骤(7)：确定综合能量管理系统的分层、分区方式；Step (7): Determine the layering and partitioning methods of the integrated energy management system;
步骤(8)：确定系统综合运行最低成本、可再生能源最大消纳以及最小网损；Step (8): Determine the minimum cost of system comprehensive operation, maximum consumption of renewable energy and minimum network loss;
步骤(9)：根据分层、分区方式，综合考虑系统综合运行成本最低、可再生能源最大化消纳以及网损最小的目标，开发适用于波浪能、光伏、风电多类型能源的综合能量管理系统；Step (9): According to the layering and zoning methods, comprehensively consider the goals of the lowest overall system operating cost, the maximum consumption of renewable energy, and the smallest network loss, and develop comprehensive energy management suitable for wave energy, photovoltaics, and wind power. system;
步骤(10)：基于综合能量管理系统，实现主动控制策略，进而实现可控负荷的精细化管理。Step (10): Based on the integrated energy management system, an active control strategy is realized, and then fine management of controllable loads is realized.
进一步的，所述综合能量管理系统充分考虑基于实时测量的海岛气象资源信息、海水淡化的可控负荷运行状态以及波浪能、光伏、风电发电设备运行功率输出情况，结合历史记录分析，通过优化算法及时制定相应的优化调度方案，指导负荷调用、发电调度以及储能控制，最终实现海岛能源综合利用与负荷精细化管理。Further, the comprehensive energy management system fully considers the real-time measurement of island meteorological resource information, the controllable load operation status of seawater desalination, and the operating power output of wave energy, photovoltaic, and wind power generation equipment, combined with historical record analysis, through an optimization algorithm Timely formulate corresponding optimized dispatching plans, guide load transfer, power generation dispatching and energy storage control, and finally realize the comprehensive utilization of island energy and fine management of load.
进一步的，所述综合能量管理系统包括实时测量模块、历史记录模块、数据输入模块、多元能量管理系统、方案输出模块、负荷调用模块、发电调度模块以及储能控制模块；所述实时测量模块和所述历史记录模块均连接到所述数据输入模块；所述数据输入模块、所述多元能量管理系统以及所述方案输出模块依次顺序连接；所述方案输出模块分别连接到所述负荷调用模块、所述发电调度模块以及所述储能控制模块。Further, the integrated energy management system includes a real-time measurement module, a historical record module, a data input module, a multi-element energy management system, a scheme output module, a load calling module, a power generation scheduling module, and an energy storage control module; the real-time measurement module and The historical record modules are all connected to the data input module; the data input module, the multi-element energy management system and the scheme output module are connected sequentially; the scheme output module is respectively connected to the load calling module, The power generation scheduling module and the energy storage control module.
进一步的，所述实时测量模块对海岛的地理信息、气象信息、负荷状态、发电设备状态信息进行实时检测，并将检测到的数据传输至所述数据输入模块。Further, the real-time measurement module detects geographical information, weather information, load status, and power generation equipment status information of the island in real time, and transmits the detected data to the data input module.
进一步的，所述历史记录模块对所述实时测量模块检测到的信息数据进行存储记录。Further, the historical record module stores and records the information data detected by the real-time measurement module.
进一步的，所述数据输入模块对所述实时测量模块检测到的实时数据信息或者所述历史记录模块记录的历史数据信息进行读取，并将读取的数据信息传输至所述多元能量管理系统。Further, the data input module reads the real-time data information detected by the real-time measurement module or the historical data information recorded by the historical record module, and transmits the read data information to the multi-element energy management system .
进一步的，所述多元能量管理系统根据从所述数据输入模块接收到的数据信息对能源的利用效率进行分析，进而确定海岛能源网的运行方式和优化调度方式。Further, the multi-element energy management system analyzes the energy utilization efficiency according to the data information received from the data input module, and then determines the operation mode and optimal dispatch mode of the island energy network.
进一步的，所述方案输出模块根据所述多元能量管理系统的分析结果确定控制策略，并将控制策略发送至负荷调用模块、发电调度模块或储能控制模块进行具体执行。Further, the scheme output module determines the control strategy according to the analysis result of the multi-element energy management system, and sends the control strategy to the load call module, power generation dispatch module or energy storage control module for specific execution.
附图说明Description of drawings
图1为本发明综合能量管理系统的模块组成示意图。Fig. 1 is a schematic diagram of the module composition of the integrated energy management system of the present invention.
具体实施方式Detailed ways
下面结合附图对本发明一种海岛能源综合能量管理方法的具体实施方式做详细阐述。The specific implementation manner of a comprehensive energy management method for sea-island energy according to the present invention will be described in detail below in conjunction with the accompanying drawings.
本发明海岛能源综合能量管理方法具体包括如下步骤：The comprehensive energy management method of island energy in the present invention specifically includes the following steps:
步骤(1)：建立分布式可再生能源电源、储能系统、可控负荷以及微电网的机理模型；Step (1): Establish a mechanism model of distributed renewable energy sources, energy storage systems, controllable loads, and microgrids;
步骤(2)：确定各种可再生能源发电装置、储能装置以及可控负荷的功率特性；Step (2): Determine the power characteristics of various renewable energy power generation devices, energy storage devices and controllable loads;
步骤(3)：分析影响海岛能源网新能源利用率的因素；Step (3): Analyze the factors that affect the utilization rate of new energy in the island energy grid;
步骤(4)：确定不同时间、空间尺度的源荷运行特性匹配关系；Step (4): Determine the matching relationship of source-load operation characteristics at different time and space scales;
步骤(5)：确定适应可再生能源消纳及能源综合利用的海岛能源最佳配置方法；Step (5): Determine the optimal allocation method of island energy that is suitable for renewable energy consumption and energy comprehensive utilization;
步骤(6)：确定海岛能源网综合能量管理及主动控制技术；Step (6): Determine the comprehensive energy management and active control technology of the island energy network;
步骤(7)：确定综合能量管理系统的分层、分区方式；Step (7): Determine the layering and partitioning methods of the integrated energy management system;
步骤(8)：确定系统综合运行最低成本、可再生能源最大消纳以及最小网损；Step (8): Determine the minimum cost of system comprehensive operation, maximum consumption of renewable energy and minimum network loss;
步骤(9)：根据分层、分区方式，综合考虑系统综合运行成本最低、可再生能源最大化消纳以及网损最小的目标，开发适用于波浪能、光伏、风电多类型能源的综合能量管理系统；Step (9): According to the layering and zoning methods, comprehensively consider the goals of the lowest overall system operating cost, the maximum consumption of renewable energy, and the smallest network loss, and develop comprehensive energy management suitable for wave energy, photovoltaics, and wind power. system;
步骤(10)：基于综合能量管理系统，实现主动控制策略，进而实现可控负荷的精细化管理。Step (10): Based on the integrated energy management system, an active control strategy is realized, and then fine management of controllable loads is realized.
所述综合能量管理系统充分考虑基于实时测量的海岛气象资源信息、海水淡化的可控负荷运行状态以及波浪能、光伏、风电发电设备运行功率输出情况，结合历史记录分析，通过优化算法及时制定相应的优化调度方案，指导负荷调用、发电调度以及储能控制，最终实现海岛能源综合利用与负荷精细化管理。The comprehensive energy management system fully considers the real-time measurement of island meteorological resource information, the controllable load operation status of seawater desalination, and the operating power output of wave energy, photovoltaic, and wind power generation equipment, and combines historical record analysis to formulate corresponding solutions in a timely manner through optimization algorithms. The optimal dispatching plan guides load transfer, power generation dispatching and energy storage control, and finally realizes the comprehensive utilization of island energy and fine management of load.
如图1所示，所述综合能量管理系统包括实时测量模块、历史记录模块、数据输入模块、多元能量管理系统、方案输出模块、负荷调用模块、发电调度模块以及储能控制模块；所述实时测量模块和所述历史记录模块均连接到所述数据输入模块；所述数据输入模块、所述多元能量管理系统以及所述方案输出模块依次顺序连接；所述方案输出模块分别连接到所述负荷调用模块、所述发电调度模块以及所述储能控制模块。As shown in Figure 1, the integrated energy management system includes a real-time measurement module, a historical record module, a data input module, a multi-element energy management system, a scheme output module, a load call module, a power generation scheduling module and an energy storage control module; Both the measurement module and the historical record module are connected to the data input module; the data input module, the multi-element energy management system and the scheme output module are connected sequentially; the scheme output modules are respectively connected to the load calling module, the power generation scheduling module and the energy storage control module.
所述实时测量模块对海岛的地理信息、气象信息、负荷状态、发电设备状态信息进行实时检测，并将检测到的数据传输至所述数据输入模块。The real-time measurement module detects geographical information, weather information, load status, and power generation equipment status information of the island in real time, and transmits the detected data to the data input module.
所述历史记录模块对所述实时测量模块检测到的信息数据进行存储记录。The historical record module stores and records the information data detected by the real-time measurement module.
所述数据输入模块对所述实时测量模块检测到的实时数据信息或者所述历史记录模块记录的历史数据信息进行读取，并将读取的数据信息传输至所述多元能量管理系统。The data input module reads the real-time data information detected by the real-time measurement module or the historical data information recorded by the historical record module, and transmits the read data information to the multi-element energy management system.
所述多元能量管理系统根据从所述数据输入模块接收到的数据信息对能源的利用效率进行分析，进而确定海岛能源网的运行方式和优化调度方式。The multi-element energy management system analyzes the energy utilization efficiency according to the data information received from the data input module, and then determines the operation mode and optimal dispatch mode of the island energy network.
所述方案输出模块根据所述多元能量管理系统的分析结果确定控制策略，并将控制策略发送至负荷调用模块、发电调度模块或储能控制模块进行具体执行。The scheme output module determines the control strategy according to the analysis result of the multi-element energy management system, and sends the control strategy to the load calling module, the power generation scheduling module or the energy storage control module for specific execution.
最后应该说明的是，结合上述实施例仅说明本发明的技术方案而非对其限制。所属领域的普通技术人员应当理解到，本领域技术人员可以对本发明的具体实施方式进行修改或者等同替换，但这些修改或变更均在申请待批的权利要求保护范围之中。Finally, it should be noted that the combination of the above embodiments only illustrates the technical solution of the present invention rather than limiting it. Those of ordinary skill in the art should understand that those skilled in the art can modify or equivalently replace the specific embodiments of the present invention, but these modifications or changes are within the protection scope of the pending claims.
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