CN112039213A - 一种光伏发电远程监控/教学装置 - Google Patents

一种光伏发电远程监控/教学装置 Download PDF

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CN112039213A
CN112039213A CN202010934485.7A CN202010934485A CN112039213A CN 112039213 A CN112039213 A CN 112039213A CN 202010934485 A CN202010934485 A CN 202010934485A CN 112039213 A CN112039213 A CN 112039213A
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storage battery
photovoltaic
power generation
load
inverter
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仇清海
肖苏慧
李江
吴恪恒
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Yantai Engineering and Technology College
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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
    • H02J13/00—Circuit 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
    • H02J13/00002—Circuit 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 monitoring
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    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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    • H02J13/00006—Circuit 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
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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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • H02J2300/26—The renewable source being solar energy of photovoltaic origin involving maximum power point tracking control for photovoltaic sources
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
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    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS 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
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Abstract

本发明涉及光伏发电技术领域，同时也涉及教学教具，具体是一种光伏发电远程监控/教学装置，包括机架，所述机架包括立板和座板，所述立板上安装逆变器数字显示器、负载、蓄电池数字电流表、蓄电池数字电压表、光伏数字电流表、光伏数字电压表；所述座板上安装逆变器、蓄电池、PLC、开关、MPPT控制器；所述逆变器能够将光伏板发出的电直接转换成220v交流电供给负载或将蓄电池的12v的电压转换成220V电压供给负载，所述PLC能够将光伏板、蓄电池、负载、逆变器的交流数据通过modbus通讯协议传输到计算机监控终端，所述MPPT控制器能够实时侦测所述光伏板的发电电压，并追踪最高电压电流值，使系统以最大功率输出对所述蓄电池充电。

Description

一种光伏发电远程监控/教学装置
技术领域
本发明涉及光伏发电技术领域，同时也涉及教学教具，具体是一种光伏发电远程监控/教学装置。
目前光伏发电主要可分为独立式光伏发电、并网式光伏发电两种。
独立式光伏发电主要由太阳能电池方阵、充放电控制器、蓄电池、逆变器等组成。适用于没有接入市电并网或电力不稳定的地区，其特点是可安装方便且易于本地维护，可以替代传统的柴油发电机，具有可靠、清洁和成本低的特点。
并网式光伏发电是太阳能电池方阵产生的直流电能经过逆变器转换后，产生符合电网要求的交流电直接接入公共电网。并网式光伏发电(Grid-connected Photovoltaic)有两种形式，一种是集中式，多为国家级大型并网光伏电站，其特点是产生的交流电能直接输送给公共电网。缺点是投资大、周期长、占地面积大，需要政府统一谋划建设。第二种是分散式，多为小型并网光伏系统，尤其是光伏发电装置安装在建筑物外侧，具有安装维护方便、政策支持力度大、占地面积小等优点，是目前并网光伏发电的主流方式。
光伏发电的监控装置包括远程管理系统和就地系统，实现对太阳能电池、蓄电池、DC/DC的监测与控制。远程管理系统采用标准PC机实现；就地系统由主控单元、控制电路、远程数据传输装置组成。
目前的监控系统大多是基于B/S的三层体系结构主站、基于ARM的智能终端以及基于单片机或PLC的数据采集装置组成。
但是在独立式光伏发电的远程监控领域，还是较为“空白”，尤其在旅游地区、无电地区广大农牧民生活区、偏远山区，由于地理位置分散、偏远、环境恶劣,不利于人员值守,所架设的光伏发电系统“无法实时监控和报警处理”，造成重大的安全隐患和电力事故。
同时，目前的职业教育方面，开设的光伏发电技术方面的课程中，相应的“远程监控”功能的教学装置非常少，所提供的独立式光伏发电教学装置只能在室外演示或者在室内用电灯泡模拟太阳光演示，存在“现场教学不直观”和“数据不真实”等问题。
发明内容
为填补现有独立式光伏发电的远程监控领域的技术空白，同时可以在教室里“实时”采集室外的光伏发电信息，直接在计算机实时显示和处理，本发明公开一种光伏发电远程监控装置，所采取的技术方案是：
一种光伏发电远程监控装置，包括机架，所述机架包括立板和座板，所述立板上安装逆变器数字显示器、负载、蓄电池数字电流表、蓄电池数字电压表、光伏数字电流表、光伏数字电压表；所述座板上安装逆变器、蓄电池、PLC、开关、MPPT控制器；所述逆变器能够将光伏板发出的电直接转换成220v交流电供给负载或将蓄电池的12v的电压转换成220V电压供给负载，所述PLC能够将光伏板、蓄电池、负载、逆变器的交流数据通过modbus通讯协议传输到计算机监控终端，所述MPPT控制器能够实时侦测所述光伏板的发电电压，并追踪最高电压电流值，使系统以最大功率输出对所述蓄电池充电。
进一步地，所述计算机监控终端具有可视化操作界面。
该光伏发电远程监控装置通过最流行的modbus通讯协议，实时监视电压、电流、功率的数据，可以实现光伏发电各部分数据现场读取，远程监控，电脑终端组态软件历史曲线。此装置还能够起到“预警”的作用，可以对其起到一个保护作用，蓄电池供电不足，在负载端可及时“预警”，可以远程处理。
本发明还公开一种光伏发电远程监控教学装置，除了负载用灯泡代替外，其他与光伏发电远程监控装置相同。
进一步地，所述计算机监控终端为触摸屏电脑，具有可视化操作界面。
这样该光伏发电远程监控教学装置有“面板操作”和“触摸屏操作”两种功能，方便用户使用或者教师教学使用，在教学演示环节，教师可以设置故障，让学生直观体会“远程监控的数据采集”和“报警应急处理”。
本发明通过工控机或上位机对PLC控制单元、充放电控制器、多功能电力仪表进行监控，通过触摸屏可视化界面进行操作或显示，方便使用者操作或自动运行。符合山东新旧动能转换的新能源发展要求，实现了机械制造技术，信息技术，节能技术等的深度融合与集成，弥补了能源管理中实时监控“无法预警处理”的不足，具有良好的推广应用价值。
附图说明
图1是本发明的结构示意图。
图2是图1的俯视图。
图3是图1的侧视图。
具体实施方式
实施例1，如图1-3所示的一种光伏发电远程监控教学装置，包括机架1，所述机架1包括立板11和座板12，所述立板11上安装逆变器数字显示器2、灯泡3、蓄电池数字电流表4、蓄电池数字电压表5、光伏数字电流表6、光伏数字电压表7；所述座板12上安装逆变器21、蓄电池8、PLC9、开关10、MPPT控制器13；所述逆变器21能够将光伏板20发出的电直接转换成220v交流电供给负载3或将蓄电池8的12v的电压转换成220V电压供给灯泡3，所述PLC9能够将光伏板20、蓄电池8、灯泡3、逆变器21的交流数据通过modbus通讯协议传输到计算机监控终端，所述MPPT控制器13能够实时侦测所述光伏板的发电电压，并追踪最高电压电流值，使系统以最大功率输出对所述蓄电池8充电。所述计算机监控终端为触摸屏电脑，具有可视化操作界面。
实施例2，参照图1-3所示的一种光伏发电远程监控教学装置，包括机架1，所述机架1包括立板11和座板12，所述立板11上安装逆变器数字显示器2、负载（相当于灯泡3）、蓄电池数字电流表4、蓄电池数字电压表5、光伏数字电流表6、光伏数字电压表7；所述座板12上安装逆变器21、蓄电池8、PLC9、开关10、MPPT控制器13；所述逆变器21能够将光伏板20发出的电直接转换成220v交流电供给负载3或将蓄电池8的12v的电压转换成220V电压供给负载3，所述PLC9能够将光伏板20、蓄电池8、负载3、逆变器21的交流数据通过modbus通讯协议传输到计算机监控终端，所述MPPT控制器13能够实时侦测所述光伏板的发电电压，并追踪最高电压电流值，使系统以最大功率输出对所述蓄电池8充电。所述计算机监控终端具有可视化操作界面。
与现有技术相比，本发明具有如下有益的技术效果：
1.本装置填补了目前在职业教育光伏发电远程监控教学装置的“空白”。
目前的职业教育方面，开设的光伏发电技术方面的课程中，相应的“远程监控”功能的教学装置非常少，所提供的独立式光伏发电教学装置只能在室外演示或者在室内用电灯泡模拟太阳光演示，存在“现场教学不直观”和“数据不真实”等问题。因此，通过“远程监控”可以在教室里“实时”采集室外的光伏发电信息，直接在计算机实时显示和处理。
2.本装置在独立式光伏发电的远程监控领域具有“操作简单”“报警处理”“性价比高”“可批量生产”等优点。
设计的是独立式光伏发电的远程监控装置，尤其在旅游地区、无电地区广大农牧民生活区、偏远山区，由于地理位置分散、偏远、环境恶劣,不利于人员值守,所架设的光伏发电系统“无法实时监控和报警处理”，造成重大的安全隐患和电力事故。
实现了机械制造技术，信息技术，节能技术等的深度融合与集成，弥补了能源管理中实时监控“无法预警处理”的不足，具有良好的推广应用价值。
3.本装置系统整体框架明确完整，电气原理图及程序流程图反复验证，系统关键单元技术成熟，仪器仪表说明书等资料丰富，研究人员有一定工控实战经验。
有所有电路的电气原理图和相应的程序，在降低成本的同时可以大批量生产，可应用于实践教学、民用照明。

Claims (4)

1.一种光伏发电远程监控装置，包括机架（1），所述机架（1）包括立板（11）和座板（12），其特征在于：所述立板（11）上安装逆变器数字显示器（2）、负载、蓄电池数字电流表（4）、蓄电池数字电压表（5）、光伏数字电流表（6）、光伏数字电压表（7）；所述座板（12）上安装逆变器（21）、蓄电池（8）、PLC（9）、开关（10）、MPPT控制器（13）；所述逆变器（21）能够将光伏板（20）发出的电直接转换成220v交流电供给负载或将蓄电池（8）的12v的电压转换成220V电压供给负载，所述PLC（9）能够将光伏板（20）、蓄电池（8）、负载、逆变器（21）的交流数据通过modbus通讯协议传输到计算机监控终端，所述MPPT控制器（13）能够实时侦测所述光伏板的发电电压，并追踪最高电压电流值，使系统以最大功率输出对所述蓄电池（8）充电。
2.根据权利要求1所述的一种光伏发电远程监控教学装置，其特征在于：所述计算机监控终端具有可视化操作界面。
3.一种光伏发电远程监控教学装置，其特征在于：所述负载为灯泡（3）。
4.根据权利要求3所述的一种光伏发电远程监控教学装置，其特征在于：计算机监控终端为触摸屏电脑，具有可视化操作界面。
CN202010934485.7A 2020-09-08 2020-09-08 一种光伏发电远程监控/教学装置 Pending CN112039213A (zh)

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