技术领域technical field
本发明涉及一种批量开展削峰填谷业务的虚拟电厂系统。The invention relates to a virtual power plant system for carrying out peak shaving and valley filling business in batches.
背景技术Background technique
在电力系统中，发电和用电几乎是同时完成的，电厂除了发电以外，还需要根据用电需求高峰期多发、低谷期少发，以保障电网供需的平衡。随着经济社会的发展，城市电网峰谷差变得越来越大，但若一味通过扩建电厂来满足尖峰时段的用电需求，便会在用电低谷期产生巨大浪费。因此如何更经济、更高效地减小峰谷差成为城市电网的重要课题之一。In the power system, power generation and electricity consumption are almost completed at the same time. In addition to generating electricity, power plants also need to generate more electricity during peak periods and less during trough periods to ensure the balance of power grid supply and demand. With the development of economy and society, the peak-to-valley difference between urban power grids has become larger and larger. However, if we blindly expand power plants to meet the demand for electricity during peak hours, it will cause huge waste in the trough period of electricity consumption. Therefore, how to reduce the peak-to-valley difference more economically and efficiently has become one of the important issues of urban power grids.
虚拟电厂(Virtual Power Plants，VPP)是实现智能配电网的重要技术之一。它是指将配电网中分散安装的清洁能源、可控负荷和储能系统等合并作为一个特别的电厂参与电网运行。基于虚拟电厂的理念，将每个客户可调节的电力资源聚合成一个可控集合体，根据大电网运行需求和自身情况主动调节，实现“需求弹性，供需协同”：例如，参与的用电客户跟电网企业约定好时间，用电低谷期多用电、高峰期少用电；或者，利用储能系统的蓄能特性，在用电低谷时储存电能，在用电高峰释放电能；这样可以调节峰谷差，起到像电厂一样保障电网供需平衡的作用。一些可以自己发电的分布式电源客户，也可以根据电网需求来调节上网的电量。这样让客户甚至社会整体的能源利用效率达到最优化，为电网安全运行和清洁能源消纳提供更好保障，也给用户侧带来经济收益。Virtual Power Plants (VPP) is one of the important technologies to realize intelligent distribution network. It refers to the integration of clean energy, controllable loads and energy storage systems that are distributed in the distribution network as a special power plant to participate in the operation of the power grid. Based on the concept of virtual power plants, the power resources that can be adjusted by each customer are aggregated into a controllable aggregate, which can be actively adjusted according to the operation needs of the large power grid and its own conditions to achieve "demand elasticity, supply and demand coordination": for example, participating electricity customers Make an appointment with the power grid company to use more electricity during the trough period of electricity consumption and less electricity during the peak period; or, use the energy storage characteristics of the energy storage system to store electricity during the trough of electricity consumption and release electricity during the peak period of electricity consumption; this can be adjusted The difference between peak and valley plays a role in ensuring the balance of supply and demand in the power grid like a power plant. Some distributed power customers who can generate their own power can also adjust the power on the grid according to the needs of the grid. In this way, the energy utilization efficiency of customers and even the whole society can be optimized, which provides better guarantee for the safe operation of the power grid and clean energy consumption, and also brings economic benefits to the user side.
虚拟电厂可以由商业建筑、智能有序充电、非工柔性空调、工业自动响应、储能、分布式用能、冰蓄冷等多种类型的大批量客户共同参与，如何对这些主体进行聚合和协调优化，引导客户主动调整用能，实现规模化需求响应，是亟需解决的一个问题。Virtual power plants can be jointly participated by various types of large-scale customers such as commercial buildings, intelligent and orderly charging, non-industrial flexible air conditioners, industrial automatic response, energy storage, distributed energy consumption, ice storage, etc. How to aggregate and coordinate these entities Optimization, guiding customers to actively adjust energy use, and realizing large-scale demand response is an urgent problem to be solved.
发明内容SUMMARY OF THE INVENTION
本发明涉及一种批量开展削峰填谷业务的虚拟电厂系统，基于云平台对分布式能源、可控负荷、储能系统等主体进行聚合和协调优化，建设虚拟电厂体系，借助客户主动提供的负荷调整，实现线路、主变、变电站等的削峰填谷，从而优化电力资源调度，缓解电网供需矛盾，降低电网的建设改造成本，提高电网设备的整体利用效率和区域电能质量。The invention relates to a virtual power plant system for carrying out peak shaving and valley filling business in batches. Based on the cloud platform, the main bodies such as distributed energy, controllable load, energy storage system, etc. are aggregated, coordinated and optimized to build a virtual power plant system. Load adjustment, realize peak shaving and valley filling of lines, main transformers, substations, etc., thereby optimizing power resource scheduling, alleviating the contradiction between supply and demand of the power grid, reducing the cost of power grid construction and transformation, and improving the overall utilization efficiency of power grid equipment and regional power quality.
为了达到上述目的，本发明的技术方案是提供一种批量开展削峰填谷业务的虚拟电厂系统，通过云平台，与用户的接入端交互；In order to achieve the above object, the technical solution of the present invention is to provide a virtual power plant system for carrying out peak shaving and valley filling services in batches, and interacts with the user's access terminal through a cloud platform;
为事件的发起及准备，在所述云平台设置有以下模块：For event initiation and preparation, the cloud platform is provided with the following modules:
新响应事件模块，响应电网运行需求建立新的事件，提供事件基本信息；The new response event module creates new events in response to power grid operation requirements and provides basic event information;
事件发布模块，按照基本信息中的准备时间及事件条件，对事件发布；The event publishing module publishes events according to the preparation time and event conditions in the basic information;
事件准备模块，跟踪准备进度，对云平台向邀约用户发起的邀约进行跟踪，统计邀约用户的回复情况；The event preparation module tracks the preparation progress, tracks the invitations initiated by the cloud platform to the inviting users, and counts the responses of the inviting users;
邀约回复模块，接收邀约用户通过接入端向云平台回复的事件参与意愿，及受邀用户通过接入端向云平台回复的计划响应量。The invitation reply module receives the event participation willingness that the invited user replies to the cloud platform through the access terminal, and the planned response volume that the invited user replies to the cloud platform through the access terminal.
可选地，为管理参与需求响应的用户申请，在所述云平台设置有以下模块：Optionally, in order to manage user applications participating in demand response, the cloud platform is provided with the following modules:
信息填报模块，接收用户通过接入端在申请参与时提供的用户基本信息及预计响应能力；The information reporting module receives the basic user information and expected response capability provided by the user through the access terminal when applying for participation;
申报进度跟踪模块，根据用户通过接入端提交的跟踪请求提供申报进度，并接收用户通过接入端修改的申报信息；The reporting progress tracking module provides the reporting progress according to the tracking request submitted by the user through the access terminal, and receives the reporting information modified by the user through the access terminal;
申报结果查看模块，根据用户通过接入端提交的结果查看请求，向用户展现申报结果；The reporting result viewing module displays the reporting result to the user according to the result viewing request submitted by the user through the access terminal;
参与申请管理模块，根据信息填报模块或申报进度跟踪模块上传的申报信息进行管理，并向云平台的业务人员展现用户的申报信息，接收业务人员提供的审核结果；Participate in the application management module, manage the application information uploaded by the information reporting module or the application progress tracking module, display the user's application information to the business personnel of the cloud platform, and receive the audit results provided by the business personnel;
审批任务下发模块，向云平台的业务人员分配用户参与申请的审批工作，并发出现场审批预约；Approval task issuing module, assign users to participate in the approval work of the application to the business personnel of the cloud platform, and issue an on-site approval appointment;
参与申请审批模块，接收云平台的业务人员填报的审核结果和意见，向用户的接入端反馈；还通过所述参与申请审批模块对审核成功的用户信息进行核改；Participate in the application approval module, receive the review results and opinions filled in by the business personnel of the cloud platform, and give feedback to the user's access terminal; and also verify and correct the user information that has been successfully reviewed through the participation application approval module;
规则公示模块，对虚拟电厂削峰填谷方案及规则文件、核定用户的名单进行公示。Rules publicity module, publicize the peak-shaving and valley-filling plan of the virtual power plant, the rule documents, and the list of approved users.
可选地，为管理加入用户，在所述云平台设置有以下模块：Optionally, in order to manage added users, the cloud platform is provided with the following modules:
参与用户管理模块，对参与用户的参与事件统计情况和完成度情况进行管理；Participating user management module, which manages the statistics and completion status of participating users' participation events;
加入用户详情模块，对用户信息核对，对负荷响应信息查看导出。Add user details module to check user information and view and export load response information.
可选地，为进行事后分析，所述云平台设置有以下模块：Optionally, for post-event analysis, the cloud platform is provided with the following modules:
结果冻结模块，事件执行完毕后，对响应用户的负荷数据进行冻结，并对结算所需的指标进行计算；The result freezing module, after the event is executed, freezes the load data of the responding user, and calculates the indicators required for settlement;
达标分析模块，根据负荷数据计算用户的达标情况；The up-to-standard analysis module calculates the user's up-to-standard situation according to the load data;
奖励确认模块，根据用户的达标情况，计算用户相应的激励奖惩，提供结算结果。The reward confirmation module, according to the user's compliance, calculates the user's corresponding incentive reward and punishment, and provides the settlement result.
可选地，所述结果冻结模块对指标的计算，包含：Optionally, the calculation of the index by the result freezing module includes:
单次响应量系数k1_i，表示基于达标率进行响应量补偿价格调整的情况；所述达标率是用户的实际响应量与约定响应量的比值；The single response quantity coefficient k1_i represents the situation of adjusting the response quantity compensation price based on the compliance rate; the compliance rate is the ratio of the user's actual response quantity to the agreed response quantity;
单次响应速度系数k2_i，表示基于响应速度进行响应速度补偿价格调整的情况；The single-time response speed coefficient k2_i represents the price adjustment of response speed compensation based on the response speed;
年度响应参与度系数k3，表示年度结算中按照用户响应时长比例值进行补偿价格调整的情况；The annual response participation coefficient k3 , which indicates that the compensation price is adjusted according to the user's response time proportional value in the annual settlement;
年度响应发布系数k4，表示用户实际响应总时长与时长设定值的比例；k4＝用户实际响应总时长/时长设定值；The annual response release coefficient k4 , which represents the ratio of the user's actual response total duration to the duration setting value; k4 = the user's actual response total duration/ duration setting value;
所述奖励确认模块进行结算，包含：The reward confirmation module performs settlement, including:
确定单次响应系数kiDetermining the Single Response Coefficientki
ki＝k1_i×k2_iki =k1_i ×k2_i
确定单次响应时长TiDetermine the single response time Ti
确定年度响应补贴A_yearDetermining Annual Response AllowanceA_year
Q为用户签约响应量；Q is the amount of user signing response;
P为统一出清价格；P is the unified clearing price;
N为需求侧响应年度发布次数；N is the number of annual releases of demand-side response;
下标中的i表示第i次响应事件。The i in the subscript represents the i-th response event.
可选地，在事后分析阶段，云平台的所述奖励确认模块，还将结算结果通知出资方和上级主管部门，并跟踪出资方和上级主管部门的审核确认反馈；Optionally, in the post-event analysis stage, the reward confirmation module of the cloud platform also notifies the funder and the superior authority of the settlement result, and tracks the review and confirmation feedback of the funder and the superior authority;
所述云平台进一步设有：The cloud platform is further provided with:
结算结果公示模块，将结算结果公示模块在响应用户范围内公示；The settlement result publicity module will publicize the settlement result publicity module within the range of responding users;
偏差反馈模块，接收响应用户对事后分析结果确认结算结果，对偏差情况进行反馈；The deviation feedback module receives and responds to the user's confirmation of the settlement result on the post-analysis results, and provides feedback on the deviation;
归档结算模块，实现事件结果归档，并发出结算单；Archiving and settlement module to realize event result archiving and issue settlement documents;
事件结果公开模块，整个事件结果以通告或报告形式公开发布；The event result disclosure module, the entire event result is publicly released in the form of a notice or report;
历史事件管理模块，对历史事件进行管理，向云平台业务人员或历史事件参与用户的接入端提供。The historical event management module manages historical events and provides it to cloud platform business personnel or access terminals of users participating in historical events.
可选地，所述云平台进一步设有：Optionally, the cloud platform is further provided with:
事件关闭模块，在事件执行之前，根据云平台业务人员的操作关闭事件；The event closing module, before the event is executed, closes the event according to the operation of the cloud platform business personnel;
事件执行模块，在事件执行阶段，向云平台业务人员提供实时跟踪事件执行效果的信息。The event execution module, in the event execution stage, provides the cloud platform business personnel with information to track the event execution effect in real time.
可选地，所述用户的接入端，包含Web端或App端；Optionally, the access terminal of the user includes a Web terminal or an App terminal;
所述云平台采用数据集成的方式，通过Web服务接口调用，与电力公司的内部管理系统、政府部门的系统进行数据传输。The cloud platform adopts the method of data integration, and transfers data with the internal management system of the electric power company and the system of the government department through a Web service interface call.
本发明的另一个技术方案是提供一种批量开展削峰填谷业务的方法，使用上述任意一项的批量开展削峰填谷业务的虚拟电厂系统实现；所述方法，包含：Another technical solution of the present invention is to provide a method for carrying out peak-shaving and valley-filling business in batches, which is realized by using any of the above virtual power plant systems for carrying out peak-shaving and valley-filling business in batches; the method includes:
A、虚拟电厂配置环节，虚拟电厂的成员通过接入端在线申请，云平台进行响应能力的审核、配置、成员签约以及响应预案的编制；A. In the configuration of the virtual power plant, members of the virtual power plant apply online through the access terminal, and the cloud platform conducts the review, configuration, signing of members and the preparation of response plans;
B、事件发起及准备环节，云平台响应电网运行需求，发起特定削峰填谷事件的事件备案、事件发布，并发起邀约；其中，云平台在线发布新建立的需求响应事件，基于预先制定的响应预案，向选定的虚拟电厂成员发起批量邀约；依据受邀成员在规定时间内向云平台提供的反馈，云平台统计事件参与意愿及计划响应量；B. In the event initiation and preparation process, the cloud platform responds to the operation needs of the power grid, initiates event filing and event release for specific peak shaving events, and initiates invitations; among them, the cloud platform publishes newly established demand response events online, based on pre-established Respond to the plan and initiate batch invitations to selected members of the virtual power plant; according to the feedback provided by the invited members to the cloud platform within the specified time, the cloud platform will count the willingness to participate in the event and the planned response volume;
C、事件过程监控环节：云平台根据电网运行状况，启动本次需求响应事件，对受邀确定参与响应的用户在约定时段内开展需求响应的情况进行实时监控，跟踪虚拟电厂出力与削峰填谷完成情况的数据；C. Event process monitoring link: The cloud platform starts this demand response event according to the operation status of the power grid, and conducts real-time monitoring of the demand response of the users who are invited to participate in the response within the agreed time period, and tracks the output of the virtual power plant and peak load reduction. Valley completion data;
D、事件分析结算环节：云平台对已完成的削峰填谷事件进行数据冻结、激励奖惩的结算分析、结果公示及补贴发放。D. Event analysis and settlement: The cloud platform freezes the data of the completed peak-shaving and valley-filling events, analyzes the settlement of incentives, rewards and punishments, publicizes the results, and distributes subsidies.
本发明所述批量开展削峰填谷业务的虚拟电厂系统，具有以下特点：The virtual power plant system for carrying out peak shaving and valley filling business in batches according to the present invention has the following characteristics:
本发明有良好的实用性，通过“虚拟电厂削峰填谷”功能开展的需求响应可以基于电网实际需要，通过规模化需求响应，提高特定区域电网的安全、经济运行水平。The present invention has good practicability, and the demand response carried out by the function of "Virtual Power Plant shaving peaks and filling valleys" can be based on the actual needs of the power grid, and through large-scale demand response, the safety and economic operation level of the power grid in a specific area can be improved.
本发明可以通过完全市场化的手段，基于协商经济补偿或短时波动电价等方式引导用户自愿参与，实现用户侧负荷的主动需求响应。The present invention can guide users to participate voluntarily by means of complete marketization, based on negotiated economic compensation or short-term fluctuations in electricity prices, etc., so as to realize the active demand response of the load on the user side.
本发明可以通过云平台在线集成市级需求响应管理平台、用户侧负荷控制系统等外部管理系统的相关数据，实现批量发起邀约、过程监控和事件结算的全流程在线化。The present invention can integrate the relevant data of external management systems such as the municipal demand response management platform and the user-side load control system on-line through the cloud platform, so as to realize the online process of batch initiation of invitations, process monitoring and event settlement.
本发明采用云平台在线发起邀约，反馈响应意愿的形式，确保需求响应参与成员的自主自愿。根据实际电网运行方式需求，提前约定响应时段，保证充裕的邀约时间。通过引导受邀的虚拟电厂成员，以加班生产、移峰生产、自备电厂调节出力、储能及充电设施约定时段充/放电等方式，有效地改善区域电网负荷水平。The present invention adopts the form of initiating the invitation online on the cloud platform and feeding back the willingness to respond, so as to ensure the voluntary willingness of the participating members in the demand response. According to the needs of the actual power grid operation mode, the response time period is agreed in advance to ensure sufficient invitation time. By guiding the invited members of the virtual power plant, the load level of the regional power grid can be effectively improved by means of overtime production, peak shifting production, self-provided power plant output adjustment, energy storage and charging facilities charging/discharging at the appointed time.
本发明面向政府、能源企业、能源客户、综合能源服务公司等多类用户，打造基于云计算、大数据、人工智能等前沿技术的智慧城市能源管理云平台，依托坚强智能电网，推动泛在电力物联网高级应用，满足不同用户能源监控、能源分析、能源管理等业务需要，实现政府监管手段多样、客户用能节约灵活、能源市场开放共赢，助力城市能级提升，推动社会绿色发展，营造一个共生、共建、共享、共赢的智慧城市能源生态圈。The invention is aimed at governments, energy enterprises, energy customers, comprehensive energy service companies and other types of users, creating a smart city energy management cloud platform based on cutting-edge technologies such as cloud computing, big data, artificial intelligence, etc., relying on a strong smart grid, promoting ubiquitous power The advanced application of the Internet of Things meets the business needs of different users in energy monitoring, energy analysis, energy management, etc., realizes various government supervision methods, energy saving and flexibility for customers, and an open and win-win energy market. A symbiotic, co-constructed, shared and win-win smart city energy ecosystem.
附图说明Description of drawings
图1是虚拟电厂削峰填谷的基本流程示意图；Figure 1 is a schematic diagram of the basic flow of peak shaving and valley filling in a virtual power plant;
图2是本发明的系统为前期配置、事件发起准备设置的模块示意图；Fig. 2 is the module schematic diagram that the system of the present invention prepares for early stage configuration, event initiation;
图3是本发明的系统为事件管理设置的模块示意图；Fig. 3 is the module schematic diagram that the system of the present invention is provided for event management;
图4是本发明的系统为事后分析设置的模块示意图。FIG. 4 is a block diagram of the system of the present invention set up for post-mortem analysis.
具体实施方式Detailed ways
本发明提供一种批量开展削峰填谷业务的虚拟电厂系统，如以变电站10千伏出线为基本调整标的(可扩展至主变、站、区域等)，通过对出线下的分布式能源、可控负荷、储能等主体的聚合和协调优化，构建虚拟电厂体系，并依据相关引导机制，运用在线邀约方式，引导客户主动调整用能时间，以此优化电力资源调度，缓解电网供需矛盾。The present invention provides a virtual power plant system for carrying out peak shaving and valley filling business in batches. Aggregation and coordination optimization of controllable loads, energy storage and other subjects, build a virtual power plant system, and use online invitation methods to guide customers to actively adjust energy consumption time according to relevant guidance mechanisms, so as to optimize power resource scheduling and alleviate the contradiction between power grid supply and demand.
示例地，可以重点将市属控股集团、其他大型工商业企业等愿意参与“虚拟电厂削峰填谷”的企业，作为响应用户，使其通过客户端(或可有App端、Web端等多种形式)，统一接入云平台，方便响应管理。For example, enterprises that are willing to participate in the "virtual power plant peak-shaving and valley-filling", such as municipal holding groups and other large industrial and commercial enterprises, can be focused on as response users, so that they can use the client (or the App, the Web, etc.) form), unified access to the cloud platform to facilitate response management.
如图1所示，“虚拟电厂削峰填谷”的基本流程，分为前期准备和事件响应两个大环节，其中前期准备环节是负责虚拟电厂的成员申请、审核及配置等工作，事件响应环节是负责特定削峰填谷需求下的事件发起准备、过程监控督导以及事件分析结算等工作。As shown in Figure 1, the basic process of “Virtual Power Plant Peak Shaving and Valley Filling” is divided into two major links: preliminary preparation and incident response. The preliminary preparation link is responsible for the application, review and configuration of members of the virtual power plant, and incident response. The link is responsible for the preparation of event initiation, process monitoring and supervision, and event analysis and settlement under specific peak shaving and valley filling requirements.
A、虚拟电厂配置环节，是云平台开展削峰填谷响应的重要基础，主要涉及虚拟电厂的成员申请、审核、配置、签约以及响应预案编制等工作。A. The configuration of the virtual power plant is an important basis for the cloud platform to carry out the peak-shaving and valley-filling response, which mainly involves the application, review, configuration, signing, and response plan preparation of the members of the virtual power plant.
A1、虚拟电厂的成员申请及审核A1. Member application and review of virtual power plants
云平台入驻企业通过在线方式发出愿意参与削峰填谷响应的申请，例如由企业所在地的供电公司审核企业申请，并对申请企业的响应能力进行核定。Cloud platform resident enterprises send online applications that are willing to participate in peak-shaving and valley-filling responses. For example, the power supply company where the enterprise is located will review the enterprise application and verify the responsiveness of the applicant enterprise.
A2、虚拟电厂的成员签约及预案制定A2. Member signing of virtual power plants and formulation of plans
根据通过审核的企业情况，筛选配置目标线路下的相关成员群，组建虚拟电厂，并完成成员签约。同时根据市场引导机制，编制响应预案。签约企业名单及响应预案将通过云平台进行公示。According to the situation of the enterprises that have passed the audit, the relevant member groups under the configuration target line will be screened, a virtual power plant will be formed, and the member signing will be completed. At the same time, according to the market guidance mechanism, a response plan was prepared. The list of contracted companies and response plans will be publicized through the cloud platform.
如图2所示，本发明的云平台，为实现上述方案中对参与用户申请的管理，设有：As shown in Figure 2, the cloud platform of the present invention is provided with:
信息填报模块，通过云平台对外门户，支持用户在申请参与虚拟电厂削峰填谷体系时，提供例如企业注册信息、联系人信息等用户基本信息；还提供响应能力申请表，支持用户填写自身的预计响应能力；The information reporting module, through the external portal of the cloud platform, supports users to provide basic user information such as enterprise registration information and contact information when applying to participate in the virtual power plant peak shaving and valley filling system; it also provides a response capability application form to support users to fill in their own personal information. expected responsiveness;
申报进度跟踪模块，通过云平台对外门户，用户可以跟踪并修改自身的申报信息及表单；The reporting progress tracking module, through the external portal of the cloud platform, users can track and modify their own reporting information and forms;
申报结果查看模块，通过云平台对外门户，用户可以查看申报结果；Application result viewing module, through the external portal of the cloud platform, users can view the application results;
参与申请管理模块，云平台业务人员可以对用户提交的参与申请进行管理，包括审核及查看结果；Participation application management module, cloud platform business personnel can manage participation applications submitted by users, including reviewing and viewing results;
审批任务下发模块，分配用户参与申请的审批工作并发出现场审批预约，对应的动态信息用户可通过申报进度跟踪模块查看结果；The approval task issuing module assigns users to participate in the approval work of the application and sends out an on-site approval appointment, and the corresponding dynamic information users can view the results through the application progress tracking module;
参与申请审批模块，填报审核结果和意见并反馈用户，并支持对审核成功的用户信息进行核改。Participate in the application approval module, fill in the review results and comments, and give feedback to users, and support the review and revision of user information that has been successfully reviewed.
如图2所示，本发明的云平台，为实现上述方案中对加入用户的管理，设有：As shown in Figure 2, the cloud platform of the present invention is provided with:
参与用户管理模块，对参与用户进行信息管理，主要包括参与事件统计情况，完成度情况；Participating user management module, which manages the information of participating users, mainly including the statistics of participation events and the degree of completion;
加入用户详情模块，对企业信息核对，负荷响应信息查看导出；Add user details module, check enterprise information, view and export load response information;
本发明的云平台还设有规则公示模块，对虚拟电厂削峰填谷方案及规则文件、核定企业的名单等进行公示。The cloud platform of the present invention is further provided with a rule publicity module, which publicizes the peak shaving and valley filling scheme of the virtual power plant, the rule documents, the list of approved enterprises, and the like.
B、事件发起及准备环节，是云平台响应电网运行需求，发起特定削峰填谷事件的预备工作，包括事件备案、事件发布及邀约工作。B. The event initiation and preparation link is the preparatory work for the cloud platform to initiate a specific peak shaving and valley filling event in response to the operation needs of the power grid, including event filing, event release and invitation work.
B1、事件备案B1. Incident filing
供电公司提前将本次削峰填谷需求响应工作方案报上级主管部门(如市经信委电力处)备案。The power supply company shall report the demand response work plan for peak shaving and valley filling to the superior competent department (such as the Electric Power Office of the Municipal Economic and Information Commission) for the record in advance.
B2、事件发布及邀约B2. Event release and invitation
供电公司根据电网运行状况，通过云平台在线发布需求响应事件。根据确定的虚拟电厂成员名单和响应预案，通过云平台发起批量邀约。依据成员收到邀约后，在规定时间内向云平台提供的反馈，来统计事件参与意愿及计划响应量。The power supply company publishes demand response events online through the cloud platform according to the operating conditions of the power grid. According to the determined list of members of the virtual power plant and the response plan, batch invitations are initiated through the cloud platform. According to the feedback provided by the members to the cloud platform within the specified time after receiving the invitation, the willingness to participate in the event and the planned response volume will be counted.
在该响应事件参与成员确定同时，公布未经调整的用户基线；并应于响应日计算调整系数，作为绩效评估的依据，后期对用户公开。At the same time when the participating members of the response event are determined, the unadjusted user baseline shall be announced; and the adjustment coefficient shall be calculated on the response day as the basis for performance evaluation, which will be disclosed to users later.
如图3所示，本发明的云平台，为实现上述方案中对事件的管理，设有：As shown in Figure 3, the cloud platform of the present invention is provided with:
事件管理模块，实现需求响应事件管理，包括建立新响应事件新建、事件发布、事件准备、邀约回复、在事件执行阶段，实时跟踪执行效果；其进一步包含：The event management module realizes the management of demand response events, including the creation of new response events, event release, event preparation, invitation response, and real-time tracking of the execution effect in the event execution stage; it further includes:
新响应事件模块，建立新的需求响应事件，填报基本信息(如事件类型(削峰或填谷)、启动原因、计划总需量、指令来源、开始时间、结束时间、准备时长等)；New response event module, create a new demand response event, fill in the basic information (such as event type (peak shaving or valley filling), start reason, planned total demand, command source, start time, end time, preparation time, etc.);
事件发布模块，按照准备时间及事件条件进行发布；Event release module, release according to preparation time and event conditions;
事件准备模块，在事件准备阶段，云平台业务人员跟踪准备进度，跟踪邀约用户回复情况；Event preparation module, in the event preparation stage, cloud platform business personnel track the preparation progress and track the response of invited users;
邀约回复模块，在事件准备阶段，邀约用户回复云平台业务人员是否响应及响应量。Invitation reply module, in the event preparation stage, invite users to reply whether the cloud platform business personnel responded and the amount of response.
C、事件过程监控环节：供电公司根据电网运行状况，通过云平台启动本次需求响应。确定参与需求响应的用户/负荷集成商，在响应日的约定时段开展需求响应。云平台将对响应过程进行实时监控，跟踪虚拟电厂出力与削峰完成率数据，以确保响应结束后，云平台统计计算各成员的响应量及奖惩金额的准确性。C. Event process monitoring link: The power supply company initiates this demand response through the cloud platform according to the operation status of the power grid. Identify users/load integrators involved in demand response, and carry out demand response at the agreed time on the response day. The cloud platform will monitor the response process in real time, track the output of the virtual power plant and the completion rate of peak shaving, to ensure that after the response is over, the cloud platform will calculate the accuracy of each member's response amount and the amount of rewards and punishments.
如图3所示，所述事件管理模块进一步包含：As shown in Figure 3, the event management module further includes:
事件关闭模块，在事件执行之前，云平台业务人员可通过系统关闭事件；Event closing module, before the event is executed, the cloud platform business personnel can close the event through the system;
事件执行模块，在事件执行阶段，云平台业务人员可实时跟踪执行效果。Event execution module, in the event execution stage, cloud platform business personnel can track the execution effect in real time.
D、事件分析结算环节：事件分析结算环节是云平台对已完成的削峰填谷事件进行数据冻结、计算分析、结果公示及补贴发放的工作。D. Event analysis and settlement link: The event analysis and settlement link is the work that the cloud platform performs data freezing, calculation analysis, result announcement and subsidy distribution for the completed peak shaving and valley filling events.
D1、数据冻结及计算分析D1. Data freezing and calculation analysis
执行需求响应次日，电力公司对用户响应日当天监测负荷进行冻结，作为有效性判定的主要依据。云平台根据冻结的负荷数据及计算指标，分析企业的实际响应量与约定响应量的比值(即，达标率)。The next day after the execution of demand response, the power company freezes the monitoring load on the day of user response as the main basis for validity determination. The cloud platform analyzes the ratio of the actual response volume to the agreed response volume (that is, the compliance rate) of the enterprise according to the frozen load data and calculation indicators.
D2、结果公示及补贴发放D2. Result announcement and subsidy distribution
供电公司负责相应补贴计算，并通过云平台进行结算结果公示。同时按照上级主管部门等确定的出资渠道和结算方式，启动补贴发放工作。The power supply company is responsible for calculating the corresponding subsidy and publicizing the settlement results through the cloud platform. At the same time, in accordance with the investment channels and settlement methods determined by the superior competent department, etc., the subsidy distribution work will be started.
根据用户实际响应量、前期约定的价格策略、奖惩规则等，对响应用户的补贴金额进行分析结算。例如，对直接参与响应的用户和经负荷集成商代理的用户，可以采用电费抵扣方式进行补偿。例如，与电力部门签订避峰让电协议、实施负荷监控的用户，避峰补偿电价标准为：隔日通知避峰每千瓦每小时补偿0.30元，当日通知避峰每千瓦每小时补偿0.80元，随时可中断用电避峰每千瓦每小时补偿2元。又例如，用户实际响应量不足签约值的60％，则视为无效响应，不予发放补贴；若响应量超过签约量140％，则按照签约量140％计算。According to the actual response volume of the user, the price strategy agreed in the previous stage, the reward and punishment rules, etc., the subsidy amount of the responding user is analyzed and settled. For example, users who directly participate in the response and users who are represented by a load integrator can be compensated by deducting electricity bills. For example, for users who have signed an agreement with the power department to avoid peak power and implement load monitoring, the price of compensation for peak avoidance is as follows: the next day notice to avoid peak compensation of 0.30 yuan per kWh per hour, and the same day to notify peak avoidance to compensate 0.80 yuan per kWh per hour, at any time Compensation of 2 yuan per kilowatt hour per kilowatt hour can be interrupted. For another example, if the user's actual response volume is less than 60% of the contract value, it will be regarded as an invalid response and no subsidy will be issued; if the response volume exceeds 140% of the contract value, it will be calculated as 140% of the contract volume.
如图4所示，本发明的云平台，为实现上述方案中对事后分析的管理，设有：As shown in Figure 4, the cloud platform of the present invention is provided with:
事后分析模块，实现需求响应事件结果冻结达标分析，奖励计算，将事件的事后分析结果在响应用户范围内公示，响应用户查看并确认结果，对偏差情况进行反馈。The post-event analysis module realizes the freeze analysis of demand response event results, reward calculation, and publicizes the post-event analysis results of the event within the scope of the responding users. The responding users view and confirm the results, and provide feedback on the deviation.
所述事后分析模块进一步包含：The post-mortem analysis module further includes:
结果冻结模块，事件执行完毕后，如在7日内完成负荷数据冻结和指标计算；Result freezing module, after the event is executed, the load data freezing and index calculation are completed within 7 days;
达标分析模块，根据冻结负荷数据，计算各企业的达标情况(达标率)，并将结果审核确认；The compliance analysis module calculates the compliance status (compliance rate) of each enterprise according to the frozen load data, and checks and confirms the results;
奖励确认模块，根据各企业的达标情况，计算相应的激励金及奖惩结果(即结算结果)，并通过出资方和经信委审核确认；The reward confirmation module calculates the corresponding incentive funds and reward and punishment results (ie settlement results) according to the compliance of each enterprise, and is reviewed and confirmed by the investor and the Economic and Information Commission;
结算结果公示模块，将结算结果在响应用户范围内公示；The settlement result publicity module will publicize the settlement result within the range of responding users;
偏差反馈模块，响应用户查看并确认结算结果，对偏差情况进行反馈。The deviation feedback module responds to the user's view and confirmation of the settlement result, and provides feedback on the deviation.
归档结算模块，实现事件结果归档，并发出结算单；Archiving and settlement module to realize event result archiving and issue settlement documents;
事件结果公开模块，整个事件结果以通告或报告形式公开发布。The event result disclosure module, the entire event result is publicly released in the form of notice or report.
所述事件管理模块进一步包含：历史事件管理模块，云平台业务人员可对历史事件进行管理；参与用户可对自身响应的事件进行历史情况回顾。The event management module further includes: a historical event management module, the cloud platform business personnel can manage the historical events; participating users can review the historical situation of the events they have responded to.
一个示例的补偿结算方法，包含：An example compensation settlement method, including:
计算单次响应系数kiCalculate the single-shot response coefficient ki
ki＝k1_i×k2_iki =k1_i ×k2_i
其中，k1_i为单次响应量系数，表示基于响应量比例进行响应量补偿价格调整的情况，响应量比例＝实际响应量/签约响应量；Among them, k1_i is the single response volume coefficient, which represents the situation of the response volume compensation price adjustment based on the response volume ratio, the response volume ratio = the actual response volume/the contract response volume;
k2_i为单次响应速度系数，表示基于响应速度进行响应速度补偿价格调整的情况；k2_i is a single response speed coefficient, which indicates the situation of response speed compensation price adjustment based on response speed;
确定单次响应时长TiDetermine the single response time Ti
k1_i、k2_i、Ti的下标中的i表示第i次响应事件；Thei in the subscripts of k1_i , k2_i , and Ti represents the ith response event;
确定年度响应补贴A_yearDetermining Annual Response AllowanceA_year
其中，in,
k3为年度响应参与度系数，表示年度结算中按照用户响应时长比例值进行补偿价格调整的情况；k3 is the annual response participation coefficient, which means that the compensation price is adjusted according to the user response time ratio in the annual settlement;
k4为年度响应发布系数，表示用户实际响应总时长与时长设定值的比例；k4＝用户实际响应总时长/时长设定值；k4 is the annual response release coefficient, which represents the ratio of the user’s actual response total duration to the set duration; k4 = the user’s actual response total duration/duration set value;
Q为用户签约响应量；Q is the amount of user signing response;
P为统一出清价格；P is the unified clearing price;
N为需求侧响应年度发布次数。N is the number of annual releases of demand-side response.
本发明的云平台综合考虑多层级架构、多业务组件、多类型能源、多数据类型、多接入规约、多类用户访问、多数据发布方式、多对外接口等外部数据特征，提供统一的数据采集框架和安全体系，既可实现标准化数据接入，又充分保障能源设施、能源系统及能源信息的完整性、可靠性、可用性、可控性与保密性。The cloud platform of the present invention comprehensively considers external data features such as multi-level architecture, multi-service components, multi-type energy sources, multi-data types, multi-access protocols, multi-type user access, multi-data publishing methods, and multi-external interfaces, and provides unified data. The collection framework and security system can not only realize standardized data access, but also fully guarantee the integrity, reliability, availability, controllability and confidentiality of energy facilities, energy systems and energy information.
部分数据的接入方式为系统集成，即云平台的系统与现有系统之间的对接，主要有数据集成、应用集成与界面集成三种方式进行数据对接，考虑到系统的功能需求及政府、电力公司等对数据安全的要求，本发明的云平台优选地采用数据集成的方式，通过Web服务接口调用进行数据传输。其中，云平台可以通过电力公司管理系统来获取电网主业数据，例如从营销系统获取用户信息、用电量等数据，从用采系统或负控系统获取用户负荷、电流电压等数据，从SCADA系统获取变电站负荷等数据。Part of the data access method is system integration, that is, the connection between the cloud platform system and the existing system. There are mainly three ways of data integration, application integration and interface integration for data connection. Considering the functional requirements of the system and the government, According to the requirements of power companies and the like on data security, the cloud platform of the present invention preferably adopts the method of data integration, and transfers data through Web service interface invocation. Among them, the cloud platform can obtain the main business data of the power grid through the power company management system, such as user information, electricity consumption and other data from the marketing system, user load, current and voltage data from the consumption system or negative control system, and SCADA data. The system obtains data such as substation load.
此外，部分数据的接入方式是直接采集，例如对企业的用能设备等加装采集装置，根据监控需求采集用能相关的检测数据，组建企业内部通信网络进行数据传输，将多个采集装置采集的数据汇聚到集中器或者通信管理机中，再发送给云平台的服务器。In addition, the access method of some data is direct collection, for example, adding a collection device to the energy-consuming equipment of the enterprise, collecting the detection data related to energy consumption according to the monitoring requirements, establishing an internal communication network of the enterprise for data transmission, and combining multiple collection devices The collected data is aggregated into the concentrator or communication management machine, and then sent to the server of the cloud platform.
示例地，本发明的云平台涉及以下数据的接入：Illustratively, the cloud platform of the present invention involves access to the following data:
1)非周期更新的基础数据：1) Aperiodically updated basic data:
地区信息(面积、经济增加值)；Regional information (area, economic value added);
企业基本信息(户号、用户名称、行业类型、行业小类、用电类别、地址、经纬度坐标、电压等级(kV)、报装容量(kVA)、重要等级、电源情况、能源运维情况、代运维厂商名称、能源管理系统情况、企业所属变电站、标签、计量点编号、电压互感器倍率、电流互感器倍率、所属分区、电气系统图)；Basic information of the enterprise (household number, user name, industry type, industry category, electricity consumption category, address, latitude and longitude coordinates, voltage level (kV), reported installation capacity (kVA), importance level, power supply, energy operation and maintenance, Name of the O&M manufacturer, status of energy management system, substation to which the company belongs, label, metering point number, voltage transformer magnification, current transformer magnification, division to which it belongs, and electrical system diagram);
变电站基本信息(变电站名称、变电站坐标、所属线路、电压等级(kV)、容量、所属分区)；Substation basic information (substation name, substation coordinates, line to which it belongs, voltage level (kV), capacity, and subregion);
虚拟电厂信息(虚拟电厂名称、关联线路、所含企业、虚拟电厂编号)；Virtual power plant information (virtual power plant name, associated lines, companies included, virtual power plant number);
事件信息(事件编号、执行时间、事件类型、准备时长)。Event information (event number, execution time, event type, preparation time).
上述这些数据，例如在本发明的用户申请及审核、预案制定、事件建立等环节使用。The above data are used, for example, in the user application and review, plan formulation, event establishment and other links of the present invention.
2)周期性采集数据：2) Periodically collect data:
地区数据(人口、经济增加值、PM2.5、天气气温)；Regional data (population, economic value added, PM2.5, weather and temperature);
企业用电数据(每月MD、每月用电量、有功(15分钟)、无功(15分钟)、电流(15分钟)、电压(15分钟)、日用电量、峰电量、平电量、谷电量、实时有功(5分钟)、实时无功(5分钟)、实时电流(5分钟)、实时电压(5分钟)、实时频率、视在功率、功率因数、实时环境温度、最大负荷、最大负荷发生时刻、功率因数)；Enterprise power consumption data (monthly MD, monthly power consumption, active power (15 minutes), reactive power (15 minutes), current (15 minutes), voltage (15 minutes), daily power consumption, peak power, average power , Valley power, real-time active power (5 minutes), real-time reactive power (5 minutes), real-time current (5 minutes), real-time voltage (5 minutes), real-time frequency, apparent power, power factor, real-time ambient temperature, maximum load, Maximum load occurrence time, power factor);
线路数据(线路负荷、首末端电压、首末段频率)。Line data (line load, head and end voltage, head and end frequency).
上述这些数据，例如在本发明的事件过程监控、事后分析等环节使用。The above data are used, for example, in the event process monitoring and post-event analysis of the present invention.
本发明的云平台通过设置对外服务入口，为政府、企业等多类客户，提供Web、手机APP入驻服务和入口通道，提供高效、便捷的办事窗口和交互窗口。还支撑对相关功能在Web端、移动端、大屏端的扩展应用。By setting the external service entrance, the cloud platform of the present invention provides Web and mobile APP entry services and entrance channels for various types of customers such as governments and enterprises, and provides efficient and convenient service windows and interactive windows. It also supports the extended application of related functions on the Web, mobile, and large-screen terminals.
例如，云平台可以根据例如每15分钟一点的实时负荷数据，形成实时响应曲线，在客户的大屏幕显示装置上完成虚拟电厂出力、线路负荷、企业负荷的同屏监视。For example, the cloud platform can form a real-time response curve based on real-time load data at one point every 15 minutes, and complete the same-screen monitoring of virtual power plant output, line load, and enterprise load on the customer's large-screen display device.
综上所述，“虚拟电厂削峰填谷”通过减小电网调峰负担、增加电网调度的灵活性，降低电网的建设改造成本，提高电网设备的整体利用效率和区域电能质量，实现政府、供电企业和能源客户多方共赢：政府可以通过“虚拟电厂削峰填谷”的开展，获得区域能源管控的新模式，提高智慧城市精细化管理水平。供电企业可以减少电网基础投资，提高电网设备利用率，提升区域电能质量，赋予更多的电网运行方式。能源客户可以通过贡献自身可调节负荷，参与到全社会的资源配置中，并获得相应收益。To sum up, "Virtual Power Plant Peak Shaving and Valley Filling" can reduce the power grid's peak load regulation burden, increase the flexibility of power grid scheduling, reduce the cost of power grid construction and transformation, improve the overall utilization efficiency of power grid equipment and regional power quality, and achieve government, Power supply companies and energy customers win-win for all parties: The government can obtain a new model of regional energy management and control through the development of "virtual power plants to cut peaks and fill valleys" and improve the level of refined management of smart cities. Power supply companies can reduce the basic investment in the power grid, improve the utilization rate of power grid equipment, improve the quality of regional power, and give more power grid operation modes. Energy customers can participate in the resource allocation of the whole society by contributing their own adjustable loads, and obtain corresponding benefits.
本发明面向政府、企业等多类用户，打造基于云计算、大数据等前沿技术的智慧城市能源云平台，依托坚强智能电网，推动泛在电力物联网高级应用，满足不同用户能源监控、能源分析、能源管理、能源服务、能源交易、能源应用等业务需要，实现政府监管手段多样、客户用能节约灵活、能源市场开放共赢，助力城市能级提升，推动社会绿色发展，营造一个共生、共建、共享、共赢的智慧城市能源生态圈。The invention is oriented to multiple types of users such as governments and enterprises, and creates a smart city energy cloud platform based on cutting-edge technologies such as cloud computing and big data. Relying on a strong smart grid, it promotes the advanced application of the ubiquitous power Internet of Things, and meets the requirements of energy monitoring and energy analysis for different users. , energy management, energy service, energy trading, energy application and other business needs, realize the diversified government supervision methods, the customer energy saving and flexible, the energy market open and win-win, help the urban energy level upgrade, promote the green development of the society, and create a symbiotic, common Build, share and win-win smart city energy ecosystem.
尽管本发明的内容已经通过上述优选实施例作了详细介绍，但应当认识到上述的描述不应被认为是对本发明的限制。在本领域技术人员阅读了上述内容后，对于本发明的多种修改和替代都将是显而易见的。因此，本发明的保护范围应由所附的权利要求来限定。While the content of the present invention has been described in detail by way of the above preferred embodiments, it should be appreciated that the above description should not be construed as limiting the present invention. Various modifications and alternatives to the present invention will be apparent to those skilled in the art upon reading the foregoing. Accordingly, the scope of protection of the present invention should be defined by the appended claims.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910467039.7ACN110163578A (en) | 2019-05-31 | 2019-05-31 | A kind of batch carries out the virtual plant system of peak load shifting business |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910467039.7ACN110163578A (en) | 2019-05-31 | 2019-05-31 | A kind of batch carries out the virtual plant system of peak load shifting business |
| Publication Number | Publication Date |
|---|---|
| CN110163578Atrue CN110163578A (en) | 2019-08-23 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910467039.7APendingCN110163578A (en) | 2019-05-31 | 2019-05-31 | A kind of batch carries out the virtual plant system of peak load shifting business |
| Country | Link |
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| CN (1) | CN110163578A (en) |
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| RJ01 | Rejection of invention patent application after publication | Application publication date:20190823 | |
| RJ01 | Rejection of invention patent application after publication |