CN111293777A - Uninterrupted power supply system and method for multi-station fusion in power operation - Google Patents
Uninterrupted power supply system and method for multi-station fusion in power operation Download PDFInfo
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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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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- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
Description
技术领域technical field
本发明属于不间断供电领域,具体的,涉及一种用于多站融合的电力运行不间断供电系统及方法。The invention belongs to the field of uninterrupted power supply, and in particular, relates to an uninterrupted power supply system and method for multi-station integration for power operation.
背景技术Background technique
大型工业园区里聚集了工厂、商城、居民区以及分布式新能源汽车充电站等用电负载端,这些用电负载端对电的需求不一样,但共同点是都离不开电,一旦切断电源供应,将会对园区的正常生产和居民生活带来极大困扰,为了实现园区内电力系统高效经济运行,需要对供电端进行实时调控,目前国内,还没有针对大型园区切实有效的电力调控措施和方法。Large industrial parks gather power-consuming loads such as factories, shopping malls, residential areas, and distributed new energy vehicle charging stations. These power-consuming loads have different demands for electricity, but the common point is that they are all inseparable from electricity. Power supply will bring great trouble to the normal production and residents' life in the park. In order to realize the efficient and economical operation of the power system in the park, real-time control of the power supply end is required. At present, there is no practical and effective power control for large parks in China. measures and methods.
发明内容SUMMARY OF THE INVENTION
本发明的目的是解决大型园区供电系统缺乏有效的调控措施导致电力系统得不到安全经济运行的问题,提出了一种用于多站融合的电力运行不间断供电系统及方法,该技术方案,通过设置多种供电系统,根据用电端的负载类型选择最有效的电力调控策略,保证电力系统的经济、安全、高效的运行。The purpose of the present invention is to solve the problem that the power system cannot be operated safely and economically due to the lack of effective control measures for the power supply system in large-scale parks, and proposes an uninterrupted power supply system and method for power operation for multi-station integration. The technical scheme, By setting up a variety of power supply systems, the most effective power regulation strategy is selected according to the load type of the consumer to ensure the economical, safe and efficient operation of the power system.
为实现上述技术目的,本发明提供的一种技术方案是,一种用于多站融合的电力运行不间断供电系统,包括有能源系统、集控站、电量采集装置以及负载系统;In order to achieve the above technical purpose, a technical solution provided by the present invention is an uninterrupted power supply system for power operation for multi-station integration, including an energy system, a centralized control station, a power collection device and a load system;
能源系统:给负载提供所需电能,与集控站电连接;Energy system: provide the required electrical energy to the load, and electrically connect with the centralized control station;
集控器:用于接收电量采集终端的采集负载系统用电需求信息,控制开光装置动作,与电量采集装置通讯连接,与开关装置电连接;Central controller: used to receive the electricity demand information of the collection load system of the electricity collection terminal, control the action of the switching device, communicate with the electricity collection device, and electrically connect with the switch device;
电量采集装置用于采集负载系统各负载的用电需求信息,与负载系统电连接;The power collection device is used to collect the power demand information of each load of the load system, and is electrically connected to the load system;
负载系统:消耗能源系统产生的电量。Load system: consumes the electricity produced by the energy system.
本方案中中能源系统与集控站电连接,由集控站集中调控,电量采集装置采集用电端的负载系统类型以及电量需求信息,与集控站通讯,集控站集中调控不同的能源系统给不同的负载系统供电,保障电力运行的安全性和经济性。In this scheme, the energy system is electrically connected to the centralized control station, which is centrally regulated by the centralized control station. The power collection device collects the load system type and power demand information of the power consumer, communicates with the centralized control station, and the centralized control station centrally regulates different energy systems. Supply power to different load systems to ensure the safety and economy of power operation.
所述的能源系统包括有风力发电机组、光伏发电机组、高压电网、自然能源系统以及蓄电池组,所述自然能源系统包括有氢气发电机组以及柴油机发电机组,所述风力发电机组、光伏发电机组、高压电网、氢气发电机组、柴油机发电机组以及蓄电池组分别与集控站电连接。The energy system includes a wind power generator set, a photovoltaic power generation set, a high-voltage power grid, a natural energy system and a battery pack, and the natural energy system includes a hydrogen power generator set and a diesel engine generator set. The high-voltage power grid, the hydrogen generator set, the diesel generator set and the storage battery are respectively electrically connected to the centralized control station.
本方案中风力发电机组、光伏发电机组作为可再生能源系统,具有最高的供电优先等级,氢气发电机组、柴油机发电机组的发电成本最高,高压电网的电能最为稳定,是主要的供电系统,多种供电方式保证园区内实现不间断供电。In this scheme, wind turbines and photovoltaic generators, as renewable energy systems, have the highest power supply priority. Hydrogen generators and diesel generators have the highest power generation costs, and the power of the high-voltage grid is the most stable. They are the main power supply systems. The power supply mode ensures uninterrupted power supply in the park.
所述的集控站包括有集控器、第一电力转换装置、第二电力转换装置、第三电力转换装置、第一开关装置、第二开关装置以及第三开关装置,所述风电发电机组和光伏发电机组通过第一开关装置与第一电力转换装置电连接,所述高压电网通过第二开关装置与第二电力转换装置电连接,所述氢气发电机组以及柴油机发电机组通过第三开关装置与第三电力转换装置电连接,所述第一开关装置、第二开关装置以及第三开关装置分别与集控器电连接。The centralized control station includes a centralized controller, a first power conversion device, a second power conversion device, a third power conversion device, a first switch device, a second switch device, and a third switch device, and the wind power generator set and the photovoltaic generator set is electrically connected with the first power conversion device through the first switch device, the high-voltage grid is electrically connected with the second power conversion device through the second switch device, the hydrogen generator set and the diesel generator set are electrically connected through the third switch device It is electrically connected to the third power conversion device, and the first switch device, the second switch device and the third switch device are respectively electrically connected to the controller.
本方案中集控器分别控制第一开关装置、第二开关装置、第三开关装置的连通和断开,继而选择是由哪一种供电方式接入,具有安全高效的调控特点。In this solution, the centralized controller controls the connection and disconnection of the first switch device, the second switch device, and the third switch device respectively, and then selects which power supply mode to connect to, which has the characteristics of safe and efficient regulation.
所述负载系统包括有新能源汽车充电站、民用电负载以及工业用电负载,所述电量次级装置包括有:第一电量采集终端、第二电量采集终端、第三电量采集终端以及第四电量采集终端,新能源汽车充电站的取电端安装有第一电量采集终端,民用电负载的取电端安装有第二电量采集终端,工业用电负载的取电端安装有第三电量采集终端,蓄电池组的充电端安装有第四电量采集终端,所述第一电量采集终端、第二电量采集终端、第三电量采集以及第四电量采集终端分别与主控器通讯连接。The load system includes a new energy vehicle charging station, a civil electrical load and an industrial electrical load, and the power secondary device includes: a first power collection terminal, a second power collection terminal, a third power collection terminal, and a fourth power collection terminal. Power collection terminal, the power collection terminal of the new energy vehicle charging station is installed with the first power collection terminal, the power collection terminal of the civil electric load is installed with the second power collection terminal, and the power collection terminal of the industrial electric load is installed with the third power collection terminal The terminal, the charging end of the battery pack is installed with a fourth power collection terminal, the first power collection terminal, the second power collection terminal, the third power collection terminal and the fourth power collection terminal are respectively connected to the main controller in communication.
本方案中通过第一电量采集终端、第二电量采集终端、第三电量采集终端以及第四电量采集终端对各负载端的用电信息进行采集,并将反馈信息通过无线通讯模块反馈给集控器,集控器根据反馈信息进行调控,选择最佳的供电策略,保障园区内各用电负载设备持续、高效、经济运行。In this solution, the first power collection terminal, the second power collection terminal, the third power collection terminal and the fourth power collection terminal collect the power consumption information of each load terminal, and feedback the feedback information to the central controller through the wireless communication module , the central controller conducts regulation according to the feedback information, selects the best power supply strategy, and ensures the continuous, efficient and economical operation of all electrical load equipment in the park.
所述工业用电负载的取电端通过第四开关装置分别与第一电力转换装置、第二电力转换装置以及第三电力转换装置电连接,所述民用电负载的取电端通过第五开关装置分别与第一电力转换装置、第二电力转换装置以及第三电力转换装置电连接,所述新能源汽车充电站的取电端通过第六开关装置与分别与第一电力转换装置、第二电力转换装置以及第三电力转换装置电连接,所述蓄电池组的充电端通过第七开关装置分别与第一电力转换装置电连接,所述蓄电池组的第一放电端通过第八开关装置与第六开关的一端电连接,所述蓄电池组的第二放电端与第九开关装置的一端电连接,第九开关装置的另一端与变流器的输入端电连接,变流器的输出端分别与第五开关装置和第四开关装置的一端电连接;所述第四开关装置、第五开关装置、第六开关装置、第七开关装置、第八开关装置以及第九开关装置分别与集控器电连接。The power taking terminal of the industrial electrical load is respectively electrically connected to the first power conversion device, the second power conversion device and the third power conversion device through the fourth switch device, and the power taking terminal of the civil electrical load is connected to the fifth switch The device is electrically connected to the first power conversion device, the second power conversion device and the third power conversion device, respectively, and the power taking end of the new energy vehicle charging station is connected to the first power conversion device, the second power conversion device and the second power conversion device respectively through the sixth switch device. The power conversion device and the third power conversion device are electrically connected, the charging end of the battery pack is electrically connected to the first power conversion device respectively through the seventh switch device, and the first discharge end of the battery pack is electrically connected to the first power conversion device through the eighth switch device. One end of the six switches is electrically connected, the second discharge end of the battery pack is electrically connected to one end of the ninth switch device, the other end of the ninth switch device is electrically connected to the input end of the converter, and the output ends of the converter are respectively is electrically connected to one end of the fifth switching device and the fourth switching device; the fourth switching device, the fifth switching device, the sixth switching device, the seventh switching device, the eighth switching device and the ninth switching device are respectively connected with the centralized control electrical connection.
本方案中能源系统分别通过第一开关装置、第二开关装置以及第三开光装置接入,负载系统通过第四开关装置、第五开关装置、第六开关装置接入,集控器通过对这些开关装置独立控制,实现各种不同供电组合以及处理不同负载设备的组合问题。In this scheme, the energy system is connected through the first switching device, the second switching device and the third switching device respectively, the load system is connected through the fourth switching device, the fifth switching device and the sixth switching device, and the centralized controller is connected through the The switchgear is independently controlled to realize various power supply combinations and deal with the combination of different load equipment.
所述电动汽车充电站包括有交流充电接口和直流充电接口。The electric vehicle charging station includes an AC charging interface and a DC charging interface.
本方案中电动汽车的供电方式有交流供电和直流供电,交流供电适用于对于快速充电有需求的电动汽车,直流供电适用于对于安全稳定充电有需求的电动汽车。In this scheme, the power supply methods of electric vehicles include AC power supply and DC power supply. AC power supply is suitable for electric vehicles that require fast charging, and DC power supply is suitable for electric vehicles that require safe and stable charging.
所述的集控器包括有主控芯片、存储模块、通讯模块,所述主控芯片与存储模块以及通讯模块电连接,所述主控芯片通过通讯模块分别于第一电量采集终端、第二电量采集终端、第三电量采集终端通讯连接。The centralized controller includes a main control chip, a storage module, and a communication module. The main control chip is electrically connected to the storage module and the communication module. The main control chip is connected to the first power collection terminal and the second power collection terminal through the communication module. The power collection terminal and the third power collection terminal are connected for communication.
本方案中集控器通过通讯模块与第一电量采集终端、第二电量采集终端、第三电量采集终端实现通讯,对电量采集装置的反馈信息进行处理,进而做出调控策略。In this solution, the centralized controller communicates with the first power collection terminal, the second power collection terminal, and the third power collection terminal through the communication module, processes the feedback information of the power collection device, and then makes a control strategy.
一种用于多站融合的电力运行不间断供电方法,适用于所述的一种用于多站融合的电力运行不间断供电系统;包括如下步骤:An uninterrupted power supply method for power operation for multi-station integration, which is applicable to the above-mentioned uninterrupted power supply system for power operation for multi-site integration; comprising the following steps:
S1、初始状态设置:第一开关装置和第七开关装置连通,第二开关装置、第三开关装置、第四开关装置、第五开关装置、第六开关装置、第八开关装置以及第九开关装置关断,蓄电池组充电;S1, initial state setting: the first switch device and the seventh switch device are connected, the second switch device, the third switch device, the fourth switch device, the fifth switch device, the sixth switch device, the eighth switch device and the ninth switch device The device is turned off and the battery pack is charged;
S2、负载系统用电需求信息获取:第一电量采集终端实时获取工业用电负载用电需求信息,第二电量终端实时获取民用电负载用电需求信息,第三电量采集终端实时获取新能源汽车充电桩用电需求信息,第四电量次级终端实时获取蓄电池组的充放电信息;S2. Acquisition of electricity demand information of the load system: the first electricity collection terminal obtains the electricity demand information of the industrial electricity load in real time, the second electricity terminal obtains the electricity demand information of the civil electricity load in real time, and the third electricity collection terminal obtains the new energy vehicle in real time The electricity demand information of the charging pile, and the fourth electric secondary terminal obtains the charging and discharging information of the battery pack in real time;
S3、控制策略制定:集控器实时获取第一电量采集终端、第二电量采集终端、第三电量采集终端以及第四电量采集终端的信息,做出控制策略。S3. Control strategy formulation: The centralized controller acquires the information of the first power collection terminal, the second power collection terminal, the third power collection terminal, and the fourth power collection terminal in real time, and makes a control policy.
所述控制策略包括单一用电负载需求响应控制策略以及多负载需求响应控制策略;The control strategy includes a single power load demand response control strategy and a multi-load demand response control strategy;
所述单一用电负载需求响应控制策略的控制步骤如下:The control steps of the single electric load demand response control strategy are as follows:
A1:若集控器接收到第三电量采集终端反馈的新能源汽车充电站用电需求信息,能源系统供电的优先级依次为:蓄电池组>光伏发电机组>=风力发电机组>高压电网>柴油机发电机组>氢气发电机组;A1: If the central controller receives the electricity demand information of the new energy vehicle charging station fed back by the third power collection terminal, the priority of the energy system power supply is: battery pack>photovoltaic generator set>=wind generator set>high voltage grid>diesel engine Generator set>Hydrogen generator set;
A2:若集控器接收到第二电量采集终端反馈的民用电负载用电需求信息,能源系统供电的优先级依次为:风力发电机组>=光伏发电机组>高压电网>蓄电池组>柴油机发电机组>氢气发电机组;A2: If the central controller receives the electricity demand information of the civilian electric load fed back by the second power collection terminal, the priority of the energy system power supply is: wind generator set>=photovoltaic generator set>high voltage grid>battery group>diesel generator set >Hydrogen generator set;
A3:若集控器接收到第一电量采集终端反馈的工业用电负载用电需求信息,能源系统供电的优先级依次为:高压电网>风力发电机组>=光伏发电机组>蓄电池组>柴油机发电机组>氢气发电机组。A3: If the central controller receives the power demand information of the industrial power load fed back by the first power collection terminal, the priority of the power supply of the energy system is: high-voltage power grid > wind generator set > = photovoltaic generator set > battery pack > diesel engine power generation Units > Hydrogen Generators.
所述多负载需求响应控制策略的控制步骤采用所述单一用电负载需求响应控制策略的控制步骤的多种组合方式,每一种组合中能源系统的供电优先级根据所属负载类型独立设置。The control step of the multi-load demand response control strategy adopts multiple combinations of the control steps of the single power load demand response control strategy, and the power supply priority of the energy system in each combination is independently set according to the load type it belongs to.
本发明的有益效果:Beneficial effects of the present invention:
1、该技术方案提供多种供电系统,通过集控室集中调控,可以保证园区各个负载都实现持续不停电运行;1. This technical solution provides a variety of power supply systems. Through centralized control in the centralized control room, it can ensure that each load in the park can achieve continuous uninterrupted operation;
2、根据负载系统的类型,选择不同优先级的供电策略,可以保证电力经济运行;2. According to the type of load system, select power supply strategies with different priorities, which can ensure the economical operation of power;
3、集控室运行维护方便,人工维护费用低。3. The centralized control room is easy to operate and maintain, and the labor maintenance cost is low.
附图说明Description of drawings
图1为本发明的一种用于多站融合的电力运行不间断供电系统的系统结构图。FIG. 1 is a system structure diagram of an uninterruptible power supply system for power operation for multi-station integration according to the present invention.
图中标记说明: 1-集控室、2-集控器、11-光伏发电机组、12-风力发电机组、13-高压电网、14-柴油发电机组、15-氢气发电机组、21-第一开关装置、22-第二开关装置、23-第三开关装置、24-第四开关装置、25-第五开关装置、26-第六开关装置、27-第七三开关装置、28-第八开关装置、29-第九开关装置、31-第一电力转换装置、32-第二电力转换装置、33-第三电力转换装置、34-变流器、41-第一电量采集终端、42-第二电量采集终端、43-第三电量采集终端、44-第四电量采集终端、51-工业用电负载、52-民用电负载、53-新能源汽车充电桩、54-蓄电池组。Description of symbols in the figure: 1-central control room, 2-central controller, 11-photovoltaic generator set, 12-wind generator set, 13-high voltage grid, 14-diesel generator set, 15-hydrogen generator set, 21-first switch device, 22-second switch device, 23-third switch device, 24-fourth switch device, 25-fifth switch device, 26-sixth switch device, 27-seventh-third switch device, 28-eighth switch device, 29-ninth switching device, 31-first power conversion device, 32-second power conversion device, 33-third power conversion device, 34-converter, 41-first power collection terminal, 42-th Second power collection terminal, 43-third power collection terminal, 44- fourth power collection terminal, 51-industrial power load, 52-civil power load, 53-new energy vehicle charging pile, 54-battery pack.
具体实施方式Detailed ways
为使本发明的目的、技术方案以及优点更加清楚明白,下面结合附图和实施例对本发明作进一步详细说明,应当理解的是,此处所描述的具体实施方式仅是本发明的一种最佳实施例,仅用以解释本发明,并不限定本发明的保护范围,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only the best of the present invention. The embodiments are only used to explain the present invention, and do not limit the protection scope of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
实施例:如图1所示,是一种用于多站融合的电力运行不间断供电系统的系统结构图,由能源系统、集控站、电量采集装置以及负载系统组成;能源系统:给负载提供所需电能,与集控站电连接;集控器:用于接收电量采集终端的采集负载系统用电需求信息,控制开光装置动作,与电量采集装置通讯连接,与开关装置电连接;电量采集装置用于采集负载系统各负载的用电需求信息,与负载系统电连接;负载系统:消耗能源系统产生的电量。Example: As shown in Figure 1, it is a system structure diagram of an uninterrupted power supply system for power operation for multi-station integration, which is composed of an energy system, a centralized control station, an electricity collection device and a load system; Provide the required electric power, and be electrically connected with the centralized control station; the centralized controller: used to receive the power demand information of the collection load system of the power collection terminal, control the action of the opening device, communicate with the power collection device, and electrically connect with the switch device; The collection device is used to collect the electricity demand information of each load of the load system, and is electrically connected to the load system; the load system: consumes the electricity generated by the energy system.
本实施例中能源系统与集控站电连接,由集控站集中调控,电量采集装置采集用电端的负载系统类型以及电量需求信息,与集控站通讯,集控站集中调控不同的能源系统给不同的负载系统供电,保障电力运行的安全性和经济性。In this embodiment, the energy system is electrically connected to the centralized control station, which is centrally regulated by the centralized control station. The power collection device collects the load system type and power demand information of the power consumer, communicates with the centralized control station, and the centralized control station centrally regulates different energy systems. Supply power to different load systems to ensure the safety and economy of power operation.
能源系统包括有风力发电机组、光伏发电机组、高压电网、自然能源系统以及蓄电池组,所述自然能源系统包括有氢气发电机组以及柴油机发电机组,所述风力发电机组、光伏发电机组、高压电网、氢气发电机组、柴油机发电机组以及蓄电池组分别与集控站电连接。The energy system includes a wind power generator set, a photovoltaic power generation set, a high-voltage power grid, a natural energy system, and a battery pack, and the natural energy system includes a hydrogen power generating set and a diesel engine power generating set. The hydrogen generator set, the diesel generator set and the storage battery are respectively electrically connected with the centralized control station.
本实施例中,风力发电机组、光伏发电机组作为可再生能源系统,具有最高的供电优先等级,氢气发电机组、柴油机发电机组的发电成本最高,高压电网的电能最为稳定,是主要的供电系统,多种供电方式保证园区内实现不间断供电。In this embodiment, as a renewable energy system, wind turbines and photovoltaic generators have the highest power supply priority, hydrogen generators and diesel generators have the highest power generation cost, and the electric energy of the high-voltage power grid is the most stable, and they are the main power supply systems. A variety of power supply methods ensure uninterrupted power supply in the park.
集控站包括有集控器、第一电力转换装置、第二电力转换装置、第三电力转换装置、第一开关装置、第二开关装置以及第三开关装置,所述风电发电机组和光伏发电机组通过第一开关装置与第一电力转换装置电连接,所述高压电网通过第二开关装置与第二电力转换装置电连接,所述氢气发电机组以及柴油机发电机组通过第三开关装置与第三电力转换装置电连接,所述第一开关装置、第二开关装置以及第三开关装置分别与集控器电连接。The centralized control station includes a centralized controller, a first power conversion device, a second power conversion device, a third power conversion device, a first switch device, a second switch device, and a third switch device. The wind power generator set and photovoltaic power generation The generator set is electrically connected to the first power conversion device through a first switch device, the high-voltage grid is electrically connected to the second power conversion device through a second switch device, and the hydrogen generator set and the diesel generator set are connected to the third power generator set through a third switch device. The power conversion device is electrically connected, and the first switching device, the second switching device and the third switching device are respectively electrically connected to the controller.
本实施例中,集控器分别控制第一开关装置、第二开关装置、第三开关装置的连通和断开,继而选择是由哪一种供电方式接入,具有安全高效的调控特点。In this embodiment, the centralized controller controls the connection and disconnection of the first switch device, the second switch device, and the third switch device respectively, and then selects which power supply mode is connected, which has the characteristics of safe and efficient regulation.
负载系统包括有新能源汽车充电站、民用电负载以及工业用电负载,所述电量次级装置包括有:第一电量采集终端、第二电量采集终端、第三电量采集终端以及第四电量采集终端,新能源汽车充电站的取电端安装有第一电量采集终端,民用电负载的取电端安装有第二电量采集终端,工业用电负载的取电端安装有第三电量采集终端,蓄电池组的充电端安装有第四电量采集终端,所述第一电量采集终端、第二电量采集终端、第三电量采集以及第四电量采集终端分别与主控器通讯连接。The load system includes a new energy vehicle charging station, a civil electric load and an industrial electric load, and the electric power secondary device includes: a first electric power collection terminal, a second electric power collection terminal, a third electric power collection terminal and a fourth electric power collection terminal The terminal, the power taking end of the new energy vehicle charging station is installed with the first power collection terminal, the power taking end of the civil electrical load is installed with the second power collecting terminal, the power taking end of the industrial electric load is installed with the third power collecting terminal, A fourth power collection terminal is installed on the charging end of the battery pack, and the first power collection terminal, the second power collection terminal, the third power collection terminal and the fourth power collection terminal are respectively connected to the main controller in communication.
本实施例中,通过第一电量采集终端、第二电量采集终端、第三电量采集终端以及第四电量采集终端对各负载端的用电信息进行采集,并将反馈信息通过无线通讯模块反馈给集控器,集控器根据反馈信息进行调控,选择最佳的供电策略,保障园区内各用电负载设备持续、高效、经济运行。In this embodiment, the power consumption information of each load terminal is collected through the first power collection terminal, the second power collection terminal, the third power collection terminal and the fourth power collection terminal, and the feedback information is fed back to the collector through the wireless communication module. The centralized controller controls and adjusts according to the feedback information, selects the best power supply strategy, and ensures the continuous, efficient and economical operation of all electrical load equipment in the park.
工业用电负载的取电端通过第四开关装置分别与第一电力转换装置、第二电力转换装置以及第三电力转换装置电连接,所述民用电负载的取电端通过第五开关装置分别与第一电力转换装置、第二电力转换装置以及第三电力转换装置电连接,所述新能源汽车充电站的取电端通过第六开关装置与分别与第一电力转换装置、第二电力转换装置以及第三电力转换装置电连接,所述蓄电池组的充电端通过第七开关装置分别与第一电力转换装置电连接,所述蓄电池组的第一放电端通过第八开关装置与第六开关的一端电连接,所述蓄电池组的第二放电端与第九开关装置的一端电连接,第九开关装置的另一端与变流器的输入端电连接,变流器的输出端分别与第五开关装置和第四开关装置的一端电连接;所述第四开关装置、第五开关装置、第六开关装置、第七开关装置、第八开关装置以及第九开关装置分别与集控器电连接。The power taking terminal of the industrial electrical load is respectively electrically connected to the first power conversion device, the second power conversion device and the third power conversion device through the fourth switching device, and the power taking terminal of the civil electrical load is respectively connected through the fifth switching device. It is electrically connected to the first power conversion device, the second power conversion device and the third power conversion device, and the power taking end of the new energy vehicle charging station is connected to the first power conversion device and the second power conversion device respectively through the sixth switch device. The device and the third power conversion device are electrically connected, the charging end of the battery pack is electrically connected to the first power conversion device respectively through the seventh switch device, and the first discharge end of the battery pack is connected to the sixth switch through the eighth switch device. One end of the battery pack is electrically connected to one end of the ninth switch device, the other end of the ninth switch device is electrically connected to the input end of the current transformer, and the output end of the current transformer is respectively connected to the first end of the ninth switch device. The fifth switching device is electrically connected to one end of the fourth switching device; the fourth switching device, the fifth switching device, the sixth switching device, the seventh switching device, the eighth switching device and the ninth switching device are respectively electrically connected to the centralized controller connect.
本实施例中,能源系统分别通过第一开关装置、第二开关装置以及第三开光装置接入,负载系统通过第四开关装置、第五开关装置、第六开关装置接入,集控器通过对这些开关装置独立控制,实现各种不同供电组合以及处理不同负载设备的组合问题。In this embodiment, the energy system is connected through the first switching device, the second switching device, and the third switching device, respectively, the load system is connected through the fourth switching device, the fifth switching device, and the sixth switching device, and the central controller is connected through the Independent control of these switching devices to achieve various power supply combinations and deal with the combination of different load equipment.
电动汽车充电站包括有交流充电接口和直流充电接口。The electric vehicle charging station includes an AC charging interface and a DC charging interface.
本实施例中,电动汽车的供电方式有交流供电和直流供电,交流供电适用于对于快速充电有需求的电动汽车,直流供电适用于对于安全稳定充电有需求的电动汽车。In this embodiment, the power supply modes of the electric vehicle include AC power supply and DC power supply. The AC power supply is suitable for the electric vehicle that needs fast charging, and the DC power supply is suitable for the electric vehicle that needs safe and stable charging.
集控器包括有主控芯片、存储模块、通讯模块,所述主控芯片与存储模块以及通讯模块电连接,所述主控芯片通过通讯模块分别于第一电量采集终端、第二电量采集终端、第三电量采集终端通讯连接。The centralized controller includes a main control chip, a storage module, and a communication module. The main control chip is electrically connected to the storage module and the communication module. The main control chip is connected to the first power collection terminal and the second power collection terminal respectively through the communication module. , the third power collection terminal communication connection.
本实施例中,集控器通过通讯模块与第一电量采集终端、第二电量采集终端、第三电量采集终端实现通讯,对电量采集装置的反馈信息进行处理,进而做出调控策略。In this embodiment, the centralized controller communicates with the first power collection terminal, the second power collection terminal, and the third power collection terminal through the communication module, processes the feedback information of the power collection device, and then makes a control strategy.
一种用于多站融合的电力运行不间断供电方法,适用于所述的一种用于多站融合的电力运行不间断供电系统;包括如下步骤:An uninterrupted power supply method for power operation for multi-station integration, which is applicable to the above-mentioned uninterrupted power supply system for power operation for multi-site integration; comprising the following steps:
S1、初始状态设置:第一开关装置和第七开关装置连通,第二开关装置、第三开关装置、第四开关装置、第五开关装置、第六开关装置、第八开关装置以及第九开关装置关断,蓄电池组充电;S1, initial state setting: the first switch device and the seventh switch device are connected, the second switch device, the third switch device, the fourth switch device, the fifth switch device, the sixth switch device, the eighth switch device and the ninth switch device The device is turned off and the battery pack is charged;
S2、负载系统用电需求信息获取:第一电量采集终端实时获取工业用电负载用电需求信息,第二电量终端实时获取民用电负载用电需求信息,第三电量采集终端实时获取新能源汽车充电桩用电需求信息,第四电量次级终端实时获取蓄电池组的充放电信息;S2. Acquisition of electricity demand information of the load system: the first electricity collection terminal obtains the electricity demand information of the industrial electricity load in real time, the second electricity terminal obtains the electricity demand information of the civil electricity load in real time, and the third electricity collection terminal obtains the new energy vehicle in real time The electricity demand information of the charging pile, and the fourth electric secondary terminal obtains the charging and discharging information of the battery pack in real time;
S3、控制策略制定:集控器实时获取第一电量采集终端、第二电量采集终端、第三电量采集终端以及第四电量采集终端的信息,做出控制策略。S3. Control strategy formulation: The centralized controller acquires the information of the first power collection terminal, the second power collection terminal, the third power collection terminal, and the fourth power collection terminal in real time, and makes a control policy.
控制策略包括单一用电负载需求响应控制策略以及多负载需求响应控制策略;The control strategy includes a single power load demand response control strategy and a multi-load demand response control strategy;
所述单一用电负载需求响应控制策略的控制步骤如下:The control steps of the single electric load demand response control strategy are as follows:
A1:若集控器接收到第三电量采集终端反馈的新能源汽车充电站用电需求信息,能源系统供电的优先级依次为:蓄电池组>光伏发电机组>=风力发电机组>高压电网>柴油机发电机组>氢气发电机组;A1: If the central controller receives the electricity demand information of the new energy vehicle charging station fed back by the third power collection terminal, the priority of the energy system power supply is: battery pack>photovoltaic generator set>=wind generator set>high voltage grid>diesel engine Generator set>Hydrogen generator set;
A2:若集控器接收到第二电量采集终端反馈的民用电负载用电需求信息,能源系统供电的优先级依次为:风力发电机组>=光伏发电机组>高压电网>蓄电池组>柴油机发电机组>氢气发电机组;A2: If the central controller receives the electricity demand information of the civilian electric load fed back by the second power collection terminal, the priority of the energy system power supply is: wind generator set>=photovoltaic generator set>high voltage grid>battery group>diesel generator set >Hydrogen generator set;
A3:若集控器接收到第一电量采集终端反馈的工业用电负载用电需求信息,能源系统供电的优先级依次为:高压电网>风力发电机组>=光伏发电机组>蓄电池组>柴油机发电机组>氢气发电机组。A3: If the central controller receives the power demand information of the industrial power load fed back by the first power collection terminal, the priority of the power supply of the energy system is: high-voltage power grid > wind generator set > = photovoltaic generator set > battery pack > diesel engine power generation Units > Hydrogen Generators.
多负载需求响应控制策略的控制步骤采用所述单一用电负载需求响应控制策略的控制步骤的多种组合方式,每一种组合中能源系统的供电优先级根据所属负载类型独立设置。The control step of the multi-load demand response control strategy adopts multiple combinations of the control steps of the single power load demand response control strategy, and the power supply priority of the energy system in each combination is independently set according to the load type it belongs to.
以上所述之具体实施方式为本发明一种用于多站融合的电力运行不间断供电系统及方法的较佳实施方式,并非以此限定本发明的具体实施范围,本发明的范围包括并不限于本具体实施方式,凡依照本发明之形状、结构所作的等效变化均在本发明的保护范围内。The specific embodiment described above is a preferred embodiment of an uninterruptible power supply system and method for power operation for multi-station integration of the present invention, and is not intended to limit the specific implementation scope of the present invention, and the scope of the present invention includes not Limited to the specific embodiment, all equivalent changes made according to the shape and structure of the present invention are within the protection scope of the present invention.
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CN114548491A (en) * | 2022-01-12 | 2022-05-27 | 国网浙江省电力有限公司嘉兴供电公司 | Optimized scheduling method of comprehensive energy system |
CN114583724A (en) * | 2022-02-10 | 2022-06-03 | 国网浙江省电力有限公司嘉善县供电公司 | Multi-source energy storage optimization method |
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