CN111952998A - 一种大规模集成储能系统及研制方法 - Google Patents

一种大规模集成储能系统及研制方法 Download PDF

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CN111952998A
CN111952998A CN202010748439.8A CN202010748439A CN111952998A CN 111952998 A CN111952998 A CN 111952998A CN 202010748439 A CN202010748439 A CN 202010748439A CN 111952998 A CN111952998 A CN 111952998A
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battery
energy storage
module
central control
maintenance
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CN202010748439.8A
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赵龙
吕清泉
周强
魏明奎
关涛
龙虹毓
王明松
张金平
李津
陈钊
周识远
梁嘉文
范晓虎
付嘉瑜
李韶瑜
甄文喜
陈柏旭
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Gannan Power Supply Co Of State Grid Gansu Electric Power Co
State Grid Corp of China SGCC
Chongqing University of Post and Telecommunications
State Grid Gansu Electric Power Co Ltd
Electric Power Research Institute of State Grid Gansu Electric Power Co Ltd
State Grid Beijing Electric Power Co Ltd
Southwest Branch of State Grid Corp
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Gannan Power Supply Co Of State Grid Gansu Electric Power Co
State Grid Corp of China SGCC
Chongqing University of Post and Telecommunications
State Grid Gansu Electric Power Co Ltd
Electric Power Research Institute of State Grid Gansu Electric Power Co Ltd
State Grid Beijing Electric Power Co Ltd
Southwest Branch of State Grid Corp
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Priority to CN202010748439.8A priority Critical patent/CN111952998A/zh
Publication of CN111952998A publication Critical patent/CN111952998A/zh
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    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Abstract

本发明公开了一种大规模集成储能系统，包括主控制器、大容量电池组、储能变流器和中央控制系统，主控制器的两个输入端口分别连接有光伏发电组件和风力发电组件，储能变流器的端口处分别连接有市级电网和交直流负载，主控制器其中另一个的输出端口和大容量电池组的连接口均与中央控制系统连接，储能变流器、大容量电池组和中央控制系统均与设有的运行维护模块连接，大容量电池组与设有的电池能量管理系统连接，本发明的有益效果是通过设有的电池能量管理系统、中央控制系统以及运行维护模块，电池能量管理系统的正常工作会使大容量电池组的性能得以充分发挥，减少电池模块故障，延长电池模块的使用寿命。

Description

一种大规模集成储能系统及研制方法
技术领域
本发明涉及一种储能系统，特别涉及一种大规模集成储能系统及研制方法，属于储能技术领域。
背景技术
储能系统规模化集成技术主要指根据储能系统的应用需求，通过规模化集成设计，合理配置电池系统、变流器系统以及监控系统等储能单元的集成技术，使各部分协调工作，整体性能最优，与电网协调稳定运行，智能可控、冗余保护、易于线性扩展的储能系统规模化集成技术是大容量储能系统在电网的各个应用领域都能够灵活配置，大规模铺开部署的有力支撑。
为实现储能单元的规模化集成，完成百兆瓦级储能电站集成技术储备，并达到储能电站高效、可靠的运行控制目标，需要解决储能规模化集成设计 (设计方法和设计软件开发)、储能系统综合控制、储能系统冗余及扩容等关键技术。
此外，大规模电池储能电站配合大容量风电、光伏等新能源发电并网运行时，储能电站需要满足新能源发电从秒级至小时级不同时间尺度的实时功率响应以及电池能量供给的应用需求，这不仅要求电池储能电站具有高速功率响应能力，而且也要保证大规模电池储能电站中并联运行的几个甚至数十个储能变流器单元的荷电状态一直控制在较好的工作区间，另一方面，从电池储能系统的角度来说，过度的充电和放电都会对电池的寿命造成影响。因此，管理好各储能单元的电池荷电状态和健康状态，在储能电站内部合理分配好实时总功率、调度管理好充放电能量，并将电池的荷电状态控制在一定范围内是非常必要的，也是大规模电池储能电站集成中的关键技术难题。
发明内容
本发明的目的在于提供一种大规模集成储能系统及研制方法，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：一种大规模集成储能系统，包括主控制器、大容量电池组、储能变流器和中央控制系统，所述主控制器的两个输入端口分别连接有光伏发电组件和风力发电组件，所述主控制器其中一个的输出端口处连接有大容量电池组，所述大容量电池组充电端口和放电端口均与储能变流器连接，所述储能变流器的端口处分别连接有市级电网和交直流负载，所述主控制器其中另一个的输出端口和大容量电池组的连接口均与中央控制系统连接，所述储能变流器、大容量电池组和中央控制系统均与设有的运行维护模块连接，所述大容量电池组与设有的电池能量管理系统连接。
作为本发明的一种优选技术方案，所述电池能量管理系统包括电池诊断模块、电池参数模块、温度测量模块和警报模块，所述电池诊断模块、电池参数模块、温度测量模块均与警报模块电性连接，且所述电池诊断模块由剩余容量和健康状态组成。
作为本发明的一种优选技术方案，所述中央控制系统集成有算法控制模块、通讯控制模块和驱动控制模块。
作为本发明的一种优选技术方案，所述运行维护模块包括储能电池本体维护、功率转换系统维护、中央控制系统维护，所述储能电池本体维护、功率转换系统维护、中央控制系统维护分别与大容量电池组、储能变流器和中央控制系统连接。
作为本发明的一种优选技术方案，所述研制方法为权利要求1-4任意一项所述的一种大规模集成储能系统，包括以下方法；
S1：建立电池能量管理系统：电池能量管理系统参与电池箱内电池模块的监控工作，使储能系统的运行、充电等功能与电池的相关参数(电流、电压、内阻、容量)紧密相连和协调工作，电池能量管理系统起到对电池性能的保护、防止个别电池的早期损坏、有利于电池的运行，并具有各种警告功能等，建立精确测量电池的剩余电量(SOC)和健康状态(SOH)，通过对单体电池的温度、电流及电压的监测来掌握电池的健康情况，必要时对大容量电池组内部的单个电池进行动态均衡。
S2：建立中央控制系统：通过友好的人机界面，实时检测各种物理量并通过GPRS、WIFI、以太网等多种方式实现数据上传，输入命令控制电池能量管理系统和储能变流器的运行。
S3：建立运行维护模块：主要包括运行过程中的注意事项、巡检和定期维护保养项目及运行过程中发生的常见故障的排除方法等内容，有利于保持各项性能和提高使用寿命。
与现有技术相比，本发明的有益效果是：
1.本发明一种大规模集成储能系统及研制方法，通过设有的电池能量管理系统、中央控制系统以及运行维护模块，电池能量管理系统的正常工作会使大容量电池组的性能得以充分发挥，减少电池模块故障，延长电池模块的使用寿命；中央控制系统可以让人们进行集群监测和管理，无需到现场逐台设备查看状况，更有利于进行数据汇总、生成曲线、数据分析，网络监控更加便于人们进行远程管理，第一时间发现问题，并通过远程查看数据来判断问题的原因；运行维护模块在日常的运行过程中，对其进行定期的维护和保养，有利于保持其各项性能和提高其使用寿命。
附图说明
图1为本发明的储能系统模块示意图；
图2为本发明中电池能量管理系统的模块示意图；
图3为本发明中中央控制系统的模块示意图；
图4为本发明中运行维护模块的模块示意图。
具体实施方式
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实施例，而不是全部的实施例。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，都属于本发明保护的范围。
请参阅图1-4，本发明提供了一种大规模集成储能系统及研制方法的技术方案：
根据图1-4所示，包括主控制器、大容量电池组、储能变流器和中央控制系统，所述主控制器的两个输入端口分别连接有光伏发电组件和风力发电组件，所述主控制器其中一个的输出端口处连接有大容量电池组，所述大容量电池组充电端口和放电端口均与储能变流器连接，所述储能变流器的端口处分别连接有市级电网和交直流负载，所述主控制器其中另一个的输出端口和大容量电池组的连接口均与中央控制系统连接，所述储能变流器、大容量电池组和中央控制系统均与设有的运行维护模块连接，所述大容量电池组与设有的电池能量管理系统连接。
根据图2、图3和图4所示，电池能量管理系统包括电池诊断模块、电池参数模块、温度测量模块和警报模块，所述电池诊断模块、电池参数模块、温度测量模块均与警报模块电性连接，且所述电池诊断模块由剩余容量和健康状态组成，电池能量管理系统的正常工作会使大容量电池组的性能得以充分发挥，减少电池模块故障，延长电池模块的使用寿命，中央控制系统集成有算法控制模块、通讯控制模块和驱动控制模块，中央控制系统可以让人们进行集群监测和管理，无需到现场逐台设备查看状况，更有利于进行数据汇总、生成曲线、数据分析，网络监控更加便于人们进行远程管理，第一时间发现问题，并通过远程查看数据来判断问题的原因，运行维护模块包括储能电池本体维护、功率转换系统维护、中央控制系统维护，所述储能电池本体维护、功率转换系统维护、中央控制系统维护分别与大容量电池组、储能变流器和中央控制系统连接，运行维护模块在日常的运行过程中，对其进行定期的维护和保养，有利于保持其各项性能和提高其使用寿命。
具体使用时，本发明一种大规模集成储能系统及研制方法，首先建立起电池能量管理系统，通过电池能量管理系统参与电池箱内电池模块的监控工作，使储能系统的运行、充电等功能与电池的相关参数(电流、电压、内阻、容量)紧密相连和协调工作，电池能量管理系统起到对电池性能的保护、防止个别电池的早期损坏、有利于电池的运行，并具有各种警告功能等，建立精确测量电池的剩余电量(SOC)和健康状态(SOH)，通过对单体电池的温度、电流及电压的监测来掌握电池的健康情况，必要时对大容量电池组内部的单个电池进行动态均衡；
再者建立起中央控制系统，通过中央控制系统所配套的友好的人机界面，实时检测大规模集成储能系统中的各种物理量，并通过GPRS、WIFI、以太网等多种方式实现数据上传，并通过上位机输入命令，可控制电池能量管理系统和储能变流器的运行；
最后建立起运行维护模块，对储能系统运行过程中的注意事项、巡检和定期维护保养项目做好记录，以及归纳运行过程中发生的常见故障并提出排除方法，有利于保持大规模集成储能系统的各项性能和提高大规模集成储能系统使用寿命。
在本发明的描述中，需要理解的是，指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明中，除非另有明确的规定和限定，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (5)

1.一种大规模集成储能系统，包括主控制器、大容量电池组、储能变流器和中央控制系统，其特征在于，所述主控制器的两个输入端口分别连接有光伏发电组件和风力发电组件，所述主控制器其中一个的输出端口处连接有大容量电池组，所述大容量电池组充电端口和放电端口均与储能变流器连接，所述储能变流器的端口处分别连接有市级电网和交直流负载，所述主控制器其中另一个的输出端口和大容量电池组的连接口均与中央控制系统连接，所述储能变流器、大容量电池组和中央控制系统均与设有的运行维护模块连接，所述大容量电池组与设有的电池能量管理系统连接。
2.根据权利要求1所述的一种大规模集成储能系统，其特征在于：所述电池能量管理系统包括电池诊断模块、电池参数模块、温度测量模块和警报模块，所述电池诊断模块、电池参数模块、温度测量模块均与警报模块电性连接，且所述电池诊断模块由剩余容量和健康状态组成。
3.根据权利要求1所述的一种大规模集成储能系统，其特征在于：所述中央控制系统集成有算法控制模块、通讯控制模块和驱动控制模块。
4.根据权利要求1所述的一种大规模集成储能系统，其特征在于：所述运行维护模块包括储能电池本体维护、功率转换系统维护、中央控制系统维护，所述储能电池本体维护、功率转换系统维护、中央控制系统维护分别与大容量电池组、储能变流器和中央控制系统连接。
5.一种大规模集成储能系统的研制方法，其特征在于：所述研制方法为权利要求1-4任意一项所述的一种大规模集成储能系统，包括以下方法；
S1：建立电池能量管理系统：电池能量管理系统参与电池箱内电池模块的监控工作，使储能系统的运行、充电等功能与电池的相关参数(电流、电压、内阻、容量)紧密相连和协调工作，电池能量管理系统起到对电池性能的保护、防止个别电池的早期损坏、有利于电池的运行，并具有各种警告功能等，建立精确测量电池的剩余电量(SOC)和健康状态(SOH)，通过对单体电池的温度、电流及电压的监测来掌握电池的健康情况，必要时对大容量电池组内部的单个电池进行动态均衡。
S2：建立中央控制系统：通过友好的人机界面，实时检测各种物理量并通过GPRS、WIFI、以太网等多种方式实现数据上传，输入命令控制电池能量管理系统和储能变流器的运行。
S3：建立运行维护模块：主要包括运行过程中的注意事项、巡检和定期维护保养项目及运行过程中发生的常见故障的排除方法等内容，有利于保持各项性能和提高使用寿命。
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