CN106208377A - 太阳能光伏储能式电动汽车充电站控制系统和控制方法 - Google Patents

太阳能光伏储能式电动汽车充电站控制系统和控制方法 Download PDF

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CN106208377A
CN106208377A CN201610670814.5A CN201610670814A CN106208377A CN 106208377 A CN106208377 A CN 106208377A CN 201610670814 A CN201610670814 A CN 201610670814A CN 106208377 A CN106208377 A CN 106208377A
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energy
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storage system
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CN106208377B (zh
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汪义旺
张波
吴尘
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Suzhou Vocational University
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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
    • 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
    • H02J13/00007Circuit 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 the power network as support for the transmission
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • H02J13/0062
    • H02J13/0075
    • 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
    • H02J3/28Arrangements for balancing of the load in a network by storage of energy
    • H02J3/383
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    • 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
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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    • Y02T90/12Electric charging stations
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • Y04S10/126Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
    • 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
    • Y04S30/00Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10Systems supporting the interoperability of electric or hybrid vehicles
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    • 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
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    • 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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  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

本发明公开了太阳能光伏储能式电动汽车充电站控制系统,包括:数据采集模块、智能控制模块和通信模块;所述数据采集模块、智能控制模块和通信模块两两相互连接;所述数据采集模块采集各种参数和数据,并将其发送给智能控制模块;所述智能控制模块接收来自数据采集模块的数据对数据处理分析后进行处理,并执行相应的动作;所述通信模块将智能控制模块的最终结果发送出去。通过上述方式,本发明能够很好的实现对光伏储能型充电站的优化控制;同时,系统具有可控性好、性能优、适应性强等优点,特别适合对这种多能综合的复杂能源系统的应用控制。

Description

太阳能光伏储能式电动汽车充电站控制系统和控制方法
技术领域
本发明涉及一种电动汽车充电站控制系统的改进,特别是一种采用DSP数字控制和模块化技术,使得系统更据智能性和可扩展性的太阳能光伏储能式电动汽车充电站控制系统和控制方法。
背景技术
电动汽车具有环保节能、绿色出行等优点,随着技术的进步其应用越来越多。不像传统燃油车,电动汽车的动力来源为电力。因此需要配套建设一定数量的光伏充电站来满足,电动汽车充电的新需求。常规充电站的建设存在,电力扩容成本高、电力来源受限等问题,结合太阳能新能源发电应用,在光照度较好的场合,建设新型的太阳能光伏储能式电动汽车充电站可以很好的解决这一问题。同时,由于太阳能光伏储能式电动汽车充电站涉及到光伏发电、储能技术、充电技术等综合交叉系统,对其控制系统也相对单纯的充电站显得更为复杂,为此需要开发对应的控制系统。
发明内容
本发明主要解决的技术问题是提供一种控制管理系统和控制方法,可以很好的实现对光伏储能型充电站的优化控制;同时,系统具有可控性好、性能优、适应性强等优点,特别适合对这种多能综合的复杂能源系统的应用控制的太阳能光伏储能式电动汽车充电站控制系统和控制方法。
为解决上述技术问题,本发明采用的太阳能光伏储能式电动汽车充电站控制系统,包括:数据采集模块、智能控制模块和通信模块;所述数据采集模块、智能控制模块和通信模块两两相互连接;所述数据采集模块采集各种参数和数据,并将其发送给智能控制模块;所述智能控制模块接收来自数据采集模块的数据对数据处理分析后进行处理,并执行相应的动作;所述通信模块将智能控制模块的最终结果发送出去。
优选的,所述控制系统的数据采集模块的采集子模块包括:环境参数、太阳能光伏发电数据、储能系统数据、充电输出数据和互补电网数据;所述环境参数采集子模块用于采集光照度、温湿度、颗粒物环境数据;所述太阳能光伏发电数据采集子模块用于采集光伏实时发电量数据;所述储能系统数据采集子模块用于采集电池的电量、电压和温度的参数信息;所述充电输出数据采集子模块用于采集充电状态、充电切换状态的参数信息;所述互补电网数据采集子模块用于电网电参数监测。
优选的,所述的智能控制模块子模块包括:数据接收、对系统工作实时时钟数据的校正、数据显示、数据日志及存储、外部接口。
优选的,所述通信模块包括:内部通信系统和外部通信系统;所述内部通信系统优先采用电力载波通信;所述外部通信系统采用RS485-MODBUS或者无线通信方式。
太阳能光伏储能式电动汽车充电站控制系统的控制方法,具体步骤如下:
步骤1:采集环境参数、太阳能光伏发电、储能系统和互补电网的数据,根据数据判断是否可以给储能系统充电:
步骤(1-1)如果太阳能光伏发电有电能输出:当储能系统需要充电时,则太阳能光伏发电系统的电能直接通过控制模块给储能系统充电;当储能系统处于满电状态时,则判断是否互补电网接入,将太阳能发电电能馈入电网;
步骤(1-2)如果太阳能光伏发电无电能输出:当储能系统需要充电、电网有电时,判断储能系统的SOC,如果SOC低于设定值SSET%,根据电网电能状态及时补充充电;如果SOC高于设定值SSET%,则等电网处于低谷的状态进行电能补充;当储能系统需要充电、电网无电时,判断储能系统的SOC,如果SOC低于设定值SSET%,则进行报警提示;如果SOC高于设定值SSET%,则通过指示灯常亮提示;当储能系统处于满电无需充电状态时,则系统进入待机状态;
步骤2:采集充电输出数据,根据数据判断是否切换控制充电输出装置:
步骤(2-1)如果有充电请求数据输入:当储能系统电能达到或高于适合请求充电的电量SCHARGE%时,则由储能系统直接给电动汽车充电;当储能系统电能未达到或低于适合请求充电的电量SCHARGE%时,如有光伏发电输出或者互补市电电能,则改由光伏发电直充或者通过互补充电给电动汽车充电;
步骤(2-2)如果无充电请求数据输入:充电指示显示可用充电装数和数量,并通过显示系统显示充电数据信息;
步骤3:根据设定进行数据通信:如有通信数据请求指令,对指令进行解析,并按指令要求执行对应的动作及回传相应的数据信息。
本发明的有益效果是:本发明所述的太阳能光伏储能式电动汽车充电站控制系统和控制方法,采用数字控制和模块化技术,针对太阳能光伏储能电动汽车充电站的控制需求,有针对的开发了其对应的控制管理系统;并提供一种实用控制方法,可以很好的实现对光伏储能型充电站的优化控制;同时,系统具有可控性好、性能优、适应性强等优点,特别适合对这种多能综合的复杂能源系统的应用控制。
附图说明
附图1为本发明所述的太阳能光伏储能式电动汽车充电站控制系统的结构图。
附图2为本发明所述的太阳能光伏储能式电动汽车充电站控制系统的控制方法的流程图。
其中:1、数据采集模块;2、智能控制模块;3、通信模块;11、环境参数;12、太阳能光伏发电数据;13、储能系统数据;14、充电输出数据;15、互补电网数据;21、数据接收;22、实时时钟数据的校正;23、数据显示;24、数据日志及存储;25、外部接口;31、内部通信系统;32、外部通信系统。
具体实施方式
下面结合附图对本发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。
请参阅图1和图2,本发明实施例包括:
太阳能光伏储能式电动汽车充电站控制系统,包括:数据采集模块1、智能控制模块2和通信模块3;所述数据采集模块1、智能控制模块2和通信模块3两两相互连接;所述数据采集模块1采集各种参数和数据,并将其发送给智能控制模块2;所述智能控制模块2接收来自数据采集模块1的数据对数据处理分析后进行处理,并执行相应的动作;所述通信模块3将智能控制模块2的最终结果发送出去。
所述数据采集模块1的采集子模块包括:环境参数11、太阳能光伏发电数据12、储能系统数据13、充电输出数据14和互补电网数据15;所述环境参数11采集子模块用于采集光照度、温湿度、颗粒物环境数据;所述太阳能光伏发电数据12采集子模块用于采集光伏实时发电量数据;所述储能系统数据13采集子模块用于采集电池的电量、电压和温度的参数信息;所述充电输出数据14采集子模块用于采集充电状态、充电切换状态的参数信息;所述互补电网数据15采集子模块用于电网电参数监测;所述的智能控制模块2子模块包括:数据接收21、对系统工作实时时钟数据的校正22、数据显示23、数据日志及存储24和外部接口25;所述通信模块3包括:内部通信系统31和外部通信系统32;所述内部通信系统31优先采用电力载波通信;所述外部通信系统32采用RS485-MODBUS或者无线通信方式。
太阳能光伏储能式电动汽车充电站控制系统的控制方法,具体步骤如下:
步骤1:采集环境参数、太阳能光伏发电、储能系统和互补电网的数据,根据数据判断是否可以给储能系统充电:
步骤(1-1)如果太阳能光伏发电有电能输出:当储能系统需要充电时,则太阳能光伏发电系统的电能直接通过控制模块给储能系统充电;当储能系统处于满电状态时,则判断是否互补电网接入,将太阳能发电电能馈入电网;
步骤(1-2)如果太阳能光伏发电无电能输出:当储能系统需要充电、电网有电时,判断储能系统的SOC,如果SOC低于设定值SSET%,根据电网电能状态及时补充充电;如果SOC高于设定值SSET%,则等电网处于低谷的状态进行电能补充;当储能系统需要充电、电网无电时,判断储能系统的SOC,如果SOC低于设定值SSET%,则进行报警提示;如果SOC高于设定值SSET%,则通过指示灯常亮提示;当储能系统处于满电无需充电状态时,则系统进入待机状态;
步骤2:采集充电输出数据,根据数据判断是否切换控制充电输出装置:
步骤(2-1)如果有充电请求数据输入:当储能系统电能达到或高于适合请求充电的电量SCHARGE%时,则由储能系统直接给电动汽车充电;当储能系统电能未达到或低于适合请求充电的电量SCHARGE%时,如有光伏发电输出或者互补市电电能,则改由光伏发电直充或者通过互补充电给电动汽车充电;
步骤(2-2)如果无充电请求数据输入:充电指示显示可用充电装数和数量,并通过显示系统显示充电数据信息;
步骤3:根据设定进行数据通信:如有通信数据请求指令,对指令进行解析,并按指令要求执行对应的动作及回传相应的数据信息。
本发明的有益效果是:本发明所述的太阳能光伏储能式电动汽车充电站控制系统和控制方法,采用数字控制和模块化技术,针对太阳能光伏储能电动汽车充电站的控制需求,有针对的开发了其对应的控制管理系统;并提供一种实用控制方法,可以很好的实现对光伏储能型充电站的优化控制;同时,系统具有可控性好、性能优、适应性强等优点,特别适合对这种多能综合的复杂能源系统的应用控制。
以上仅是本发明的具体应用范例,对本发明的保护范围不构成任何限制。凡采用等同变换或者等效替换而形成的技术方案,均落在本发明权利保护范围之内。

Claims (4)

1.太阳能光伏储能式电动汽车充电站控制系统,其特征在于:包括:数据采集模块、智能控制模块和通信模块;所述数据采集模块、智能控制模块和通信模块两两相互连接;所述数据采集模块采集各种参数和数据,并将其发送给智能控制模块;所述智能控制模块接收来自数据采集模块的数据对数据处理分析后进行处理,并执行相应的动作;所述通信模块将智能控制模块的最终结果发送出去。
2.根据权利要求1所述的太阳能光伏储能式电动汽车充电站控制系统,其特征在于:所述控制系统的数据采集模块的采集子模块包括:环境参数、太阳能光伏发电数据、储能系统数据、充电输出数据和互补电网数据;所述环境参数采集子模块用于采集光照度、温湿度、颗粒物环境数据;所述太阳能光伏发电数据采集子模块用于采集光伏实时发电量数据;所述储能系统数据采集子模块用于采集电池的电量、电压和温度的参数信息;所述充电输出数据采集子模块用于采集充电状态、充电切换状态的参数信息;所述互补电网数据采集子模块用于电网电参数监测。
3.根据权利要求1所述的太阳能光伏储能式电动汽车充电站控制系统,其特征在于:所述的智能控制模块子模块包括:数据接收、对系统工作实时时钟数据的校正、数据显示、数据日志及存储、外部接口。
4.根据权利要求1所述的太阳能光伏储能式电动汽车充电站控制系统,其特征在于:所述通信模块包括:内部通信系统和外部通信系统;所述内部通信系统优先采用电力载波通信;所述外部通信系统采用RS485-MODBUS或者无线通信方式。
太阳能光伏储能式电动汽车充电站控制系统的控制方法,具体步骤如下:
步骤1:采集环境参数、太阳能光伏发电、储能系统和互补电网的数据,根据数据判断是否可以给储能系统充电:
步骤(1-1)如果太阳能光伏发电有电能输出:当储能系统需要充电时,则太阳能光伏发电系统的电能直接通过控制模块给储能系统充电;当储能系统处于满电状态时,则判断是否互补电网接入,将太阳能发电电能馈入电网;
步骤(1-2)如果太阳能光伏发电无电能输出:当储能系统需要充电、电网有电时,判断储能系统的SOC,如果SOC低于设定值SSET%,根据电网电能状态及时补充充电;如果SOC高于设定值SSET%,则等电网处于低谷的状态进行电能补充;当储能系统需要充电、电网无电时,判断储能系统的SOC,如果SOC低于设定值SSET%,则进行报警提示;如果SOC高于设定值SSET%,则通过指示灯常亮提示;当储能系统处于满电无需充电状态时,则系统进入待机状态;
步骤2:采集充电输出数据,根据数据判断是否切换控制充电输出装置:
步骤(2-1)如果有充电请求数据输入:当储能系统电能达到或高于适合请求充电的电量SCHARGE%时,则由储能系统直接给电动汽车充电;当储能系统电能未达到或低于适合请求充电的电量SCHARGE%时,如有光伏发电输出或者互补市电电能,则改由光伏发电直充或者通过互补充电给电动汽车充电;
步骤(2-2)如果无充电请求数据输入:充电指示显示可用充电装数和数量,并通过显示系统显示充电数据信息;
步骤3:根据设定进行数据通信:如有通信数据请求指令,对指令进行解析,并按指令要求执行对应的动作及回传相应的数据信息。
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