CN114050610A - 一种布置在风电场内的分布式光伏发电能量梯级调节装置 - Google Patents

一种布置在风电场内的分布式光伏发电能量梯级调节装置 Download PDF

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CN114050610A
CN114050610A CN202111396255.0A CN202111396255A CN114050610A CN 114050610 A CN114050610 A CN 114050610A CN 202111396255 A CN202111396255 A CN 202111396255A CN 114050610 A CN114050610 A CN 114050610A
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power generation
fan
output end
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photovoltaic
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杨洋
李佳东
李铭志
常洋涛
赵凯峰
赵勇
王团结
王新
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Xian Thermal Power Research Institute Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381Dispersed generators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46Controlling of the sharing of output between the generators, converters, or transformers
    • H02J3/466Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20The dispersed energy generation being of renewable origin
    • H02J2300/22The renewable source being solar energy
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20The dispersed energy generation being of renewable origin
    • H02J2300/28The renewable source being wind energy
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/40Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/76Power conversion electric or electronic aspects
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70Smart grids as climate change mitigation technology in the energy generation sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/123Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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Abstract

本发明公开了一种布置在风电场内的分布式光伏发电能量梯级调节装置,第一风机发电设施的输出端与第一用户电网及双电源切换开关的第一自由端相连接,第二风机发电设施的输出端与第二用户电网及双电源切换开关的第二自由端相连接,光伏发电设施的输出端与双电源切换开关的固定端相连接;风机电流传感器的输出端、光伏电流传感器的输出端、风机电压传感器的输出端及光伏电压传感器的输出端与数据处理计算机相连接,数据处理计算机与双回路切换控制器及逆变器控制器相连接,双回路切换控制器与双电源切换开关的控制端相连接,逆变器控制器的输出端与逆变器的控制端相连接,该装置能够有效提高输变电设备的有效利用率。

Description

一种布置在风电场内的分布式光伏发电能量梯级调节装置
技术领域
本发明涉及一种能量梯级调节装置,具体涉及一种布置在风电场内的分布式光伏发电能量梯级调节装置。
背景技术
现阶段分布式光伏接入电网系统的方式如图2所示,是光伏发电设施吸收太阳能转化为直流电,经过逆变器转化为交流380V,通过公共电网的升压变压器,将电压升高至为10kV/35kV,传送给其他用电量较大用户。
现阶段风力发电接入电网系统的方式如图3所示,是风机将风能转化为电能,经过升压变压器器转化为10kV/35kV交流电,可分布式接入公共电网,或汇流多台风机所发电后,经过二次升压后,将电能传送给其他用电量较大用户。
现阶段光伏发电设施与风机发电设施均独立运行。风力及光伏发电受季节变化、昼夜交替及天气影响,稳定性差。白天阳光充足,光伏发电效率高,阴雨天、夜晚光伏设备无法发电,但夜晚地面温差变化大,风力更强。有效的将两者集合起来,可大大提高对输变电设备的有效利用率,节约资源。
发明内容
本发明的目的在于克服上述现有技术的缺点,提供了一种布置在风电场内的分布式光伏发电能量梯级调节装置,该装置能够有效提高输变电设备的有效利用率。
为达到上述目的,本发明所述的风电场分布式光伏发电能量梯级调节系统包括第一风机发电设施、第一用户电网、第二风机发电设施、第二用户电网、光伏发电设施、双电源切换开关、双回路切换控制器、逆变器控制器、数据处理计算机、用于提供电能的电源模块、用于检测第一风机发电设施及第二风机发电设施输出端处电流的风机电流传感器、检测第一风机发电设施及第二风机发电设施输出端处电压的风机电压传感器、用于检测光伏发电设施输出端处电压的光伏电压传感器以及用于检测光伏发电设施输出端处电流的光伏电流传感器;
第一风机发电设施的输出端与第一用户电网及双电源切换开关的第一自由端相连接,第二风机发电设施的输出端与第二用户电网及双电源切换开关的第二自由端相连接,光伏发电设施的输出端与双电源切换开关的固定端相连接;
风机电流传感器的输出端、光伏电流传感器的输出端、风机电压传感器的输出端及光伏电压传感器的输出端与数据处理计算机相连接,数据处理计算机与双回路切换控制器及逆变器控制器相连接,双回路切换控制器与双电源切换开关的控制端相连接,逆变器控制器的输出端与逆变器的控制端相连接。
风机电流传感器的输出端及光伏电流传感器的输出端经电流信号调理采集模块与数据处理计算机相连接。
风机电压传感器的输出端及光伏电压传感器的输出端经电压信号调理采集模块与数据处理计算机相连接。
数据处理计算机经无线数据中转站与电压信号调理采集模块、电流信号调理采集模块、双回路切换控制器及逆变器控制器相连接。
数据处理计算机经无线数据中转站及无线数据传输模块与电压信号调理采集模块、电流信号调理采集模块、双回路切换控制器及逆变器控制器相连接。
本发明具有以下有益效果:
本发明所述的布置在风电场内的分布式光伏发电能量梯级调节装置在具体操作时,数据处理计算机通过风机电流传感器、风机电压传感器、光伏电流传感器及光伏电压传感器检测第一风机发电设施、第二风机发电设施及光伏发电设施的电参数,并以此控制双电源切换开关及逆变器,通过对电能量的输送路径进行调整,从而达到分布式光伏电量最大输出,以提高输变电设备的有效利用率。
附图说明
图1为本发明的结构示意图;
图2为分布式光伏接入电网系统的结构图;
图3为风力发电接入电网系统的结构图。
其中,1为风机电流传感器、2为风机电压传感器、3为光伏电流传感器、4为光伏电压传感器、5为双电源切换开关、6为电流信号调理采集模块、7为电压信号调理采集模块、8为双回路切换控制器、9为逆变器控制器、10为无线数据传输模块、11为电源模块、12为无线数据中转站、13为数据处理计算机。
具体实施方式
为了使本技术领域的人员更好地理解本发明方案,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分的实施例,不是全部的实施例,而并非要限制本发明公开的范围。此外,在以下说明中,省略了对公知结构和技术的描述,以避免不必要的混淆本发明公开的概念。基于本发明中的实施例,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,都应当属于本发明保护的范围。
在附图中示出了根据本发明公开实施例的结构示意图。这些图并非是按比例绘制的,其中为了清楚表达的目的,放大了某些细节,并且可能省略了某些细节。图中所示出的各种区域、层的形状及它们之间的相对大小、位置关系仅是示例性的,实际中可能由于制造公差或技术限制而有所偏差,并且本领域技术人员根据实际所需可以另外设计具有不同形状、大小、相对位置的区域/层。
参考图1,本发明所述的风电场分布式光伏发电能量梯级调节系统包括风机电流传感器1、风机电压传感器2、光伏电流传感器3、光伏电压传感器4、双电源切换开关5、电流信号调理采集模块6、电压信号调理采集模块7、双回路切换控制器8、逆变器控制器9、无线数据传输模块10、电源模块11、无线数据中转站12及数据处理计算机13;
第一风机发电设施的输出端与第一用户电网及双电源切换开关5的第一自由端相连接,第二风机发电设施的输出端与第二用户电网及双电源切换开关5的第二自由端相连接,光伏发电设施的输出端与双电源切换开关5的固定端相连接;
风机电流传感器1的输出端及光伏电流传感器3的输出端与电流信号调理采集模块6的输入端相连接,风机电压传感器2的输出端及光伏电压传感器4的输出端与电压信号调理采集模块7的输入端相连接;数据处理计算机13与无线数据中转站12相连接,无线数据中转站12经无线数据传输模块10与电流信号调理采集模块6、电压信号调理采集模块7、双回路切换控制器8及逆变器控制器9相连接,双回路切换控制器8与双电源切换开关5的控制端相连接,逆变器控制器9的输出端与逆变器的控制端相连接。
本发明的具体工作过程为:
通过风机电流传感器1检测第一风机发电设施及第二风机发电设施输出端处的电流信号;通过风机电压传感器2检测第一风机发电设施及第二风机发电设施输出端处的电压信号;通过光伏电流传感器3检测光伏发电设施输出端处的电流信号;通过光伏电压传感器4检测光伏发电设施输出端处的电压信号;
风机电流传感器1输出的电流信号以及光伏电流传感器3输出的电流信号经电流信号调理采集模块6放大及滤波后输入到数据处理计算机13;
风机电压传感器2输出的电压信号以及光伏电压传感器4输出的电压信号经电压信号调理采集模块7放大及滤波后输入到数据处理计算机13;
数据处理计算机13根据接收到的信号生成控制信号及切换信号,双回路切换控制器8根据所述切换信号控制双电源切换开关5,逆变器控制器9根据所述控制信号控制所述逆变器。
本发明能够实现光伏发电回路快速切换、光伏发电量随风机发电量波动自动调整,通过检测风电场内各输送环节的电能量值,再通过双回路切换控制器8及逆变器控制器9对电能量的输送路径进行调整,从而达到分布式光伏电量最大输出。
另外,在实际应用时,通过对光伏设备进行实时监测,分析设备的运行状态,科学有效的通过大数据分析,建立能量树,确定各节点阈值,分析多种运行方式,降低因事故停机以及组件故障造成的发电量减少的概率。

Claims (5)

1.一种风电场分布式光伏发电能量梯级调节系统,其特征在于,包括第一风机发电设施、第一用户电网、第二风机发电设施、第二用户电网、光伏发电设施、双电源切换开关(5)、双回路切换控制器(8)、逆变器控制器(9)、数据处理计算机(13)、用于提供电能的电源模块(11)、用于检测第一风机发电设施及第二风机发电设施输出端处电流的风机电流传感器(1)、检测第一风机发电设施及第二风机发电设施输出端处电压的风机电压传感器(2)、用于检测光伏发电设施输出端处电压的光伏电压传感器(4)以及用于检测光伏发电设施输出端处电流的光伏电流传感器(3);
第一风机发电设施的输出端与第一用户电网及双电源切换开关(5)的第一自由端相连接,第二风机发电设施的输出端与第二用户电网及双电源切换开关(5)的第二自由端相连接,光伏发电设施的输出端与双电源切换开关(5)的固定端相连接;
风机电流传感器(1)的输出端、光伏电流传感器(3)的输出端、风机电压传感器(2)的输出端及光伏电压传感器(4)的输出端与数据处理计算机(13)相连接,数据处理计算机(13)与双回路切换控制器(8)及逆变器控制器(9)相连接,双回路切换控制器(8)与双电源切换开关(5)的控制端相连接,逆变器控制器(9)的输出端与逆变器的控制端相连接。
2.根据权利要求1所述的风电场分布式光伏发电能量梯级调节系统,其特征在于,风机电流传感器(1)的输出端及光伏电流传感器(3)的输出端经电流信号调理采集模块(6)与数据处理计算机(13)相连接。
3.根据权利要求2所述的风电场分布式光伏发电能量梯级调节系统,其特征在于,风机电压传感器(2)的输出端及光伏电压传感器(4)的输出端经电压信号调理采集模块(7)与数据处理计算机(13)相连接。
4.根据权利要求3所述的风电场分布式光伏发电能量梯级调节系统,其特征在于,数据处理计算机(13)经无线数据中转站(12)与电压信号调理采集模块(7)、电流信号调理采集模块(6)、双回路切换控制器(8)及逆变器控制器(9)相连接。
5.根据权利要求4所述的风电场分布式光伏发电能量梯级调节系统,其特征在于,数据处理计算机(13)经无线数据中转站(12)及无线数据传输模块(10)与电压信号调理采集模块(7)、电流信号调理采集模块(6)、双回路切换控制器(8)及逆变器控制器(9)相连接。
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