CN213213116U - 一种电-光-储-充微电网系统 - Google Patents

一种电-光-储-充微电网系统 Download PDF

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CN213213116U
CN213213116U CN202022169891.7U CN202022169891U CN213213116U CN 213213116 U CN213213116 U CN 213213116U CN 202022169891 U CN202022169891 U CN 202022169891U CN 213213116 U CN213213116 U CN 213213116U
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energy
converter
energy storage
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谭海波
郑自儒
胡盛青
王仲
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刘钰
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Hunan Aerospace Magnet and Magneto Co Ltd
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    • Y02T90/167—Systems 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]
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Abstract

一种电‑光‑储‑充微电网系统，包括光伏发电模块、储能模块、充电桩模块、电网和能量调度系统，光伏发电模块、储能模块、充电桩模块、电网均与能量调度系统连接，充电桩模块包括交流充电桩和直流充电桩，光伏发电模块通过光伏逆变器与能量调度系统连接，光伏逆变器包括MPPT控制器、第一DC/DC变换器和第一DC/AC变换器，MPPT控制器分别与第一DC/DC变换器、第一DC/AC变换器连接储能模块通过储能逆变器与能量调度系统连接，储能逆变器包括第二DC/DC变换器和第二DC/AC变换器。本实用新型能够提高光伏发电的利用率，又同时采用储能电池储存一定的电量，进行电网的峰谷套利。

Description

一种电-光-储-充微电网系统
技术领域
本实用新型涉及微电网系统，具体是涉及一种电-光-储-充微电网系统。
背景技术
目前，从国务院到工信部、发改委、国家机关事务管理局等都在积极推动电动汽车分时租赁业务的发展。在中央的大力支持与示范下，未来其他具有基础设施条件的一、二线城市有望陆续积极推广电动汽车分时租赁业务。
我国将电动汽车作为战略性新兴产业，出台了一系列扶持政策，积极鼓励电动汽车发展。国务院办公厅发表了《关于加快新能源汽车推广应用的指导意见》积极引导企业创新商业模式。意见中指出，积极鼓励投融资创新，在公共服务领域探索公交车、出租车、公务用车的新能源汽车融资租赁运营模式，在个人使用领域探索分时租赁、车辆共享、整车租赁以及按揭购买新能源汽车等模式，及时总结推广科学有效的做法；同时鼓励互联网企业参与新能源汽车技术研究和运营服务，加快智能电网、移动互联网、物联网、大数据等新技术应用。
同时，我国正在开展公共服务领域和私人用车领域电动汽车大规模商业化示范运行。国家将“新能源汽车分时租赁与集成示范”列入科技计划高新技术领域备选项目并规定在2015年至2018年在北京、上海、杭州、武汉、深圳等10多个城市建立首批示范点，大力推进新能源汽车的发展。
目前新能源汽车的充电主要采用电网或光伏充电，若采用光伏充电，当光照充足情况下，光伏发电充足，而充电桩的所需电量小于光伏发电量，则造成光伏发电量的浪费；当光照不充足或无光照的情况下，光伏发电不足或无发电，光伏发电量无法满足充电桩的充电需求，则造成充电桩无法充电。若采用电网充电，则又无法利用太阳能。
实用新型内容
本实用新型所要解决的技术问题是，克服上述背景技术的不足，提供一种电-光-储-充微电网系统，能够提高光伏发电的利用率，又同时采用储能电池储存一定的电量，进行电网的峰谷套利。
本实用新型解决其技术问题采用的技术方案是，一种电-光-储-充微电网系统，包括光伏发电模块、储能模块、充电桩模块、电网和能量调度系统，所述光伏发电模块、储能模块、充电桩模块、电网均与能量调度系统连接，所述充电桩模块包括交流充电桩和直流充电桩，所述光伏发电模块通过光伏逆变器与能量调度系统连接，光伏逆变器包括MPPT控制器、第一DC/DC变换器和第一DC/AC变换器，MPPT控制器分别与第一DC/DC变换器、第一DC/AC变换器连接，第一DC/DC变换器经能量调度系统与直流充电桩连接，第一DC/AC变换器经能量调度系统与交流充电桩连接；所述储能模块通过储能逆变器与能量调度系统连接，储能逆变器包括第二DC/DC变换器和第二DC/AC变换器，第二DC/DC变换器经能量调度系统与直流充电桩连接，第二DC/AC变换器经能量调度系统与交流充电桩连接。
进一步， 所述光伏发电模块包括光伏组件、智能汇流箱，光伏组件经过智能汇流箱与光伏逆变器连接。
进一步， 所述能量调度系统的工控机采用RS485通讯方式与光伏逆变器、储能逆变器和充电桩模块通信。
进一步， 所述储能模块为钛酸锂电池。
与现有技术相比，本实用新型的优点如下：
本实用新型将光伏发电模块、储能模块、充电桩模块、电网通过能量调度系统连接在一起，通过能量调度系统调度分配电量，使它们之间能够有序、高效的协调配合，能够提高光伏发电的利用率，又同时采用储能电池储存一定的电量，进行电网的峰谷套利。
附图说明
图1是本实用新型实施例的结构示意图。
图中：1—光伏发电模块，2—电网，3—储能模块，4—充电桩模块，5—能量调度系统。
具体实施方式
下面结合附图及具体实施例对本实用新型作进一步详细描述。
参照图1，本实施例包括光伏发电模块1、储能模块3、充电桩模块4、电网2和能量调度系统5，光伏发电模块1、储能模块3、充电桩模块4、电网2均与能量调度系统5连接。
本实施例中，充电桩模块4包括交流充电桩和直流充电桩，光伏发电模块1通过光伏逆变器与能量调度系统5连接，光伏逆变器包括MPPT控制器、第一DC/DC变换器和第一DC/AC变换器，MPPT控制器分别与第一DC/DC变换器、第一DC/AC变换器连接，第一DC/DC变换器经能量调度系统5与直流充电桩连接，第一DC/AC变换器经能量调度系统5与交流充电桩连接；储能模块3通过储能逆变器与能量调度系统5连接，储能逆变器包括第二DC/DC变换器和第二DC/AC变换器， 第二DC/DC变换器经能量调度系统5与直流充电桩连接，第二DC/AC变换器经能量调度系统5与交流充电桩连接。第二DC/DC变换器和第二DC/AC变换器共直流母线方式工作。
本实施例中，光伏发电模块1包括光伏组件、智能汇流箱，光伏组件经过智能汇流箱与光伏逆变器连接。智能汇流箱配备直流高压断路器，正负极备有双重防雷功能，同时具有电流测量与监控，可远程记录和显示运行情况。
本实施例中，能量调度系统5的工控机采用RS485通讯方式与光伏逆变器、储能逆变器和充电桩模块4通信。
本实施例中，储能模块3为钛酸锂电池。
光伏发电模块1、储能模块3、充电桩模块4、电网2通过能量调度系统5调度，光照充足情况下，光伏发电模块1发电充足，能量调度系统5调度光伏发电模块1所发的电，既给充电桩模块4供电，也给储能模块3充电，储能模块3充满电的情况下，能量调度系统5调度光伏发电模块1给电网2供电。光照不足情况下，光伏发电模块1发电不足，能量调度系统5调度光伏发电模块1和储能模块3同时给充电桩模块4供电。完全没有光照情况下，光伏发电模块1不发电，能量调度系统5调度储能模块3给充电桩模块4供电，储能模块3无法满足充电桩模块4供电的情况下，能量调度系统5调度电网2给充电桩模块4供电。能量调度系统5的工控机根据上述控制策略实时调度电-光-储-充工作。
本实用新型将光伏发电模块、储能模块、充电桩模块、电网通过能量调度系统连接在一起，通过能量调度系统调度分配电量，使它们之间能够有序、高效的协调配合，能够提高光伏发电的利用率，又同时采用储能电池储存一定的电量，进行电网的峰谷套利。
本领域的技术人员可以对本实用新型进行各种修改和变型，倘若这些修改和变型在本实用新型权利要求及其等同技术的范围之内，则这些修改和变型也在本实用新型的保护范围之内。
说明书中未详细描述的内容为本领域技术人员公知的现有技术。

Claims (4)

1.一种电-光-储-充微电网系统，其特征在于：包括光伏发电模块、储能模块、充电桩模块、电网和能量调度系统，所述光伏发电模块、储能模块、充电桩模块、电网均与能量调度系统连接，所述充电桩模块包括交流充电桩和直流充电桩，所述光伏发电模块通过光伏逆变器与能量调度系统连接，光伏逆变器包括MPPT控制器、第一DC/DC变换器和第一DC/AC变换器，MPPT控制器分别与第一DC/DC变换器、第一DC/AC变换器连接，第一DC/DC变换器经能量调度系统与直流充电桩连接，第一DC/AC变换器经能量调度系统与交流充电桩连接；所述储能模块通过储能逆变器与能量调度系统连接，储能逆变器包括第二DC/DC变换器和第二DC/AC变换器，第二DC/DC变换器经能量调度系统与直流充电桩连接，第二DC/AC变换器经能量调度系统与交流充电桩连接。
2.如权利要求1所述的电-光-储-充微电网系统，其特征在于：所述光伏发电模块包括光伏组件、智能汇流箱，光伏组件经过智能汇流箱与光伏逆变器连接。
3.如权利要求1或2所述的电-光-储-充微电网系统，其特征在于：所述能量调度系统的工控机采用RS485通讯方式与光伏逆变器、储能逆变器和充电桩模块通信。
4.如权利要求1或2所述的电-光-储-充微电网系统，其特征在于：所述储能模块为钛酸锂电池。
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