TWM562492U - Multi-type battery set and energy storage system using the same - Google Patents

Multi-type battery set and energy storage system using the same Download PDF

Info

Publication number
TWM562492U
TWM562492U TW107203059U TW107203059U TWM562492U TW M562492 U TWM562492 U TW M562492U TW 107203059 U TW107203059 U TW 107203059U TW 107203059 U TW107203059 U TW 107203059U TW M562492 U TWM562492 U TW M562492U
Authority
TW
Taiwan
Prior art keywords
battery
batteries
energy storage
storage system
battery pack
Prior art date
Application number
TW107203059U
Other languages
Chinese (zh)
Inventor
guo-quan Zhu
Yao-Ding Zhu
Original Assignee
Zhu Guo Quan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhu Guo Quan filed Critical Zhu Guo Quan
Priority to TW107203059U priority Critical patent/TWM562492U/en
Publication of TWM562492U publication Critical patent/TWM562492U/en

Links

Abstract

本創作為一種多類型電池組及其所應用之儲能系統,該多類型電池組包括:複數個電池,該複數個電池中至少有兩個電池具有不同之放電特性;以及複數電池連接件,設置於該複數個電池之正極與負極,使該複數個電池彼此相互串聯或並聯。該儲能系統包括至少一該多類型電池組;以及至少一電池管理系統,係電性連接該多類型電池組。本創作之多類型電池組及其所應用之儲能系統進一步回收與再利用汰役電池,以達成節約資源與優化電能利用的效率。 The present invention is a multi-type battery pack and an energy storage system applied thereto, the multi-type battery pack comprising: a plurality of batteries, at least two of the plurality of batteries having different discharge characteristics; and a plurality of battery connectors, The positive electrode and the negative electrode of the plurality of batteries are disposed such that the plurality of batteries are connected to each other in series or in parallel. The energy storage system includes at least one of the plurality of types of battery packs; and at least one battery management system electrically connected to the plurality of types of battery packs. The multi-type battery pack of the present invention and the energy storage system applied thereto further recover and reuse the service battery to achieve the efficiency of saving resources and optimizing power utilization.

Description

多類型電池組及其所應用之儲能系統 Multi-type battery pack and its applied energy storage system

本創作係關於一種電池組及一儲能系統,特別指一種多類型電池組以及其所應用之儲能系統。 The present invention relates to a battery pack and an energy storage system, and more particularly to a multi-type battery pack and an energy storage system to which the same applies.

電池作為一種移動式的電源,舉凡手機、平板、筆電等行動裝置、以及部分國家政府開始以國家政策推動,將逐漸成為主流趨勢的電動車之中,電池都是不可缺少的元件。 As a mobile power source, batteries, such as mobile phones, tablets, notebooks and other mobile devices, and some national governments began to promote by national policies, will gradually become the mainstream trend of electric vehicles, batteries are indispensable components.

由於電池的容量與性能會隨著循環的充放電而逐漸劣化,以電動車來說,當電池的電容量下降至低於一門檻值(約為80%的起始容量)時,續航里程會明顯減少,即會將該電池進行淘汰更換。 Since the capacity and performance of the battery will gradually deteriorate with the charging and discharging of the cycle, in the case of an electric vehicle, when the battery capacity drops below a threshold (about 80% of the initial capacity), the cruising range will be Significantly reduced, the battery will be replaced and replaced.

可預期地,在未來汰役電池的總電容量將漸漸成長為可觀的規模。又,此類汰役電池的放電特性與剩餘壽命依該電池汰役前的使用情況不同而存有個別差異,並且依照其剩餘的性能而有不同的商業價值。因此,從經濟與環保的角度來看,拓展汰役電池的再利用可能性是一個不可忽視的議題。 It is expected that the total capacity of the battery in the future will gradually grow to a considerable scale. Moreover, the discharge characteristics and remaining life of such a battery are different depending on the usage before the battery is used, and have different commercial value depending on the remaining performance. Therefore, from the perspective of economy and environmental protection, expanding the possibility of recycling of the battery is a topic that cannot be ignored.

因此,有必要提出一種裝置,能夠有效利用該些 具有不同放電特性的汰役電池。 Therefore, it is necessary to propose a device that can effectively utilize these A battery with different discharge characteristics.

本創作為解決先前技術之問題所採用之技術手段為提供一種多類型電池組,包括:複數個電池,該複數個電池中至少有兩個電池具有不同之放電特性;以及複數電池連接件,設置於該複數個電池之正極與負極,使該複數個電池彼此相互串聯或並聯。 The technical means adopted by the present invention to solve the problems of the prior art is to provide a multi-type battery pack comprising: a plurality of batteries, at least two of the plurality of batteries having different discharge characteristics; and a plurality of battery connectors, setting The positive electrodes and the negative electrodes of the plurality of batteries are connected to each other in series or in parallel.

在本創作的一實施例中係提供一種多類型電池組,其中該複數個電池中至少有兩個電池具有不同之型號或種類。 In one embodiment of the present disclosure, a multi-type battery pack is provided wherein at least two of the plurality of batteries have different models or types.

在本創作的一實施例中係提供一種多類型電池組,其中該複數個電池具有相同之型號或種類。 In one embodiment of the present disclosure, a multi-type battery pack is provided in which the plurality of batteries have the same type or type.

在本創作的一實施例中係提供一種多類型電池組,其中該複數個電池包括乾電池、燃料電池、鋰離子電池、鎳氫電池、鎳鎘電池及/或鉛酸電池。 In one embodiment of the present disclosure, a multi-type battery pack is provided, wherein the plurality of batteries includes a dry battery, a fuel cell, a lithium ion battery, a nickel hydrogen battery, a nickel cadmium battery, and/or a lead acid battery.

本創作亦提供一種儲能系統,包括:一如前述之多類型電池組;以及一電池管理系統(BMS),係電性連接該多類型電池組。 The present invention also provides an energy storage system comprising: a multi-type battery pack as described above; and a battery management system (BMS) electrically connected to the multi-type battery pack.

在本創作的一實施例中係提供一種儲能系統,更包括一光伏逆變器,該光伏逆變器係連接該多類型電池組以及一太陽能發電模組。 In an embodiment of the present invention, an energy storage system is provided, further comprising a photovoltaic inverter connected to the multi-type battery pack and a solar power generation module.

在本創作的一實施例中係提供一種儲能系統,該儲能系統係連接至一電網。 In an embodiment of the present disclosure, an energy storage system is provided that is coupled to a power grid.

在本創作的一實施例中係提供一種儲能系統,該儲能系統係與一能源管理系統(EMS)連接。 In an embodiment of the present disclosure, an energy storage system is provided that is coupled to an energy management system (EMS).

透過本創作之技術手段,提供一種多類型電池組,該多類型電池組包括不同放電特性的電池,並依據各電池的放電特性分配放電量。該多類型電池組可包括相互組合的汰役電池,亦可包括汰役電池與新電池的組合。本創作亦提出一種該多類型電池組應用的儲能系統,該儲能系統可連接至一太陽能發電模組與一電網,並透過一能源管理系統收集供電端、儲電端及用電端的數據資訊,進行電力分配。本創作之多類型電池組及其所應用之儲能系統可將汰役電池進一步回收與再利用,在逐漸以再生能源及分散式能源為主的趨勢中,進一步節約資源與與優化電能利用的效率。 Through the technical means of the present invention, a multi-type battery pack is provided, which includes batteries having different discharge characteristics, and the discharge amount is allocated according to the discharge characteristics of each battery. The multi-type battery pack may include a combination battery that is combined with each other, and may also include a combination of a service battery and a new battery. The present invention also proposes an energy storage system for the multi-type battery pack application, the energy storage system can be connected to a solar power generation module and a power grid, and collect data of the power supply end, the storage end and the power end through an energy management system. Information, power distribution. The multi-type battery pack of the present invention and the energy storage system applied thereto can further recover and reuse the battery, and further save resources and optimize power utilization in the trend of gradually adopting renewable energy and decentralized energy. effectiveness.

綜上所述,本案較習用物品增進上述多項功效,應已充分符合新穎性及進步性之法定新型專利要件,爰依法提出申請,懇請 貴局核准本件新型專利申請案,以勵創作,至感德便。 In summary, this case enhances the above-mentioned multiple functions compared with the conventional items, and should fully comply with the statutory new patent requirements of novelty and progressiveness. If you apply in accordance with the law, you are requested to approve the new patent application case for your creation. Debian.

100‧‧‧儲能系統 100‧‧‧ energy storage system

1‧‧‧電池組 1‧‧‧Battery Pack

11‧‧‧電池 11‧‧‧Battery

12‧‧‧電池連接件 12‧‧‧Battery connector

2‧‧‧電池管理系統 2‧‧‧Battery Management System

3‧‧‧光伏逆變器 3‧‧‧Photovoltaic inverter

PV‧‧‧太陽能發電模組 PV‧‧‧Solar Power Module

G‧‧‧電網 G‧‧‧ grid

E‧‧‧能源管理系統 E‧‧‧Energy Management System

L‧‧‧負載 L‧‧‧load

第1圖為本創作之多類型電池組之示意圖。 Figure 1 is a schematic diagram of a multi-type battery pack of the present invention.

第2圖為本創作之多類型電池組之外觀示意圖。 Figure 2 is a schematic view of the appearance of the multi-type battery pack of the present invention.

第3圖為本創作之儲能系統之示意圖。 Figure 3 is a schematic diagram of the energy storage system of the creation.

第4圖為本創作之儲能系統之連接示意圖。 Figure 4 is a schematic diagram of the connection of the energy storage system of the creation.

為令大眾能夠更清楚明瞭本創作,以下以第1圖至第4圖,說明本創作的實施方式。 In order to make the creation of the creation more clear to the public, the implementation of the creation will be described below with reference to Figs. 1 to 4 .

第1圖中揭露了一種多類型電池組1,係包括:複 數個電池11以及複數個電池連接件12。 Figure 1 discloses a multi-type battery pack 1 comprising: A plurality of batteries 11 and a plurality of battery connectors 12 are provided.

該複數個電池11中至少有兩個電池具有不同之放電特性。該兩個電池可為經歷不同的使用時間而於不同的階段汰役,具有不同的放電特性的電池。該兩個電池11可為同個廠牌或者不同廠牌。 At least two of the plurality of batteries 11 have different discharge characteristics. The two batteries can be batteries that have different discharge characteristics at different stages that have undergone different usage times. The two batteries 11 can be the same label or different labels.

在一個實施例中,該複數個電池11彼此可為不同的型號。以乾電池為例,其可為1號電池、2號電池、AA、AAA、9伏特電池等不同型號之電池相互組合。 In one embodiment, the plurality of batteries 11 can be of different models from each other. Taking a dry battery as an example, it can be a combination of batteries of different types such as No. 1 battery, No. 2 battery, AA, AAA, and 9 volt battery.

在一個實施例中,該複數個電池11彼此可為不同的種類。例如:鹼性電池、燃料電池、鋰離子電池、鎳氫電池、鎳鎘電池及/或鉛酸電池等,但不限於此。 In one embodiment, the plurality of batteries 11 can be of different types from each other. For example, an alkaline battery, a fuel cell, a lithium ion battery, a nickel hydrogen battery, a nickel cadmium battery, and/or a lead acid battery, etc., but are not limited thereto.

該複數個電池連接件12係設置於該複數個電池11之正極與負極,使該些電池11彼此相互串聯或並聯。該複數個電池11可以焊接或插接的方式與該複數個電池連接件12連接。該複數個電池11經由檢測後,依據其各自的放電特性做匹配組合,該複數個電池11可均為汰役電池或是依需要為汰役電池與新電池的相互組合。該複數個電池11組合成電池組1後,依照其現存之放電特性,使其以不同的放電C數工作。 The plurality of battery connectors 12 are disposed on the positive and negative electrodes of the plurality of batteries 11 such that the batteries 11 are connected to each other in series or in parallel. The plurality of batteries 11 can be connected to the plurality of battery connectors 12 in a soldered or plugged manner. After the plurality of batteries 11 are tested, they are matched and matched according to their respective discharge characteristics. The plurality of batteries 11 may be both a battery or a combination of a battery and a new battery as needed. After the plurality of batteries 11 are combined into the battery pack 1, they are operated at different discharge C numbers in accordance with their existing discharge characteristics.

如第2圖所示,該些電池11與該電池連接件12組合之該電池組1可封入一殼體之中而與外部之裝置電性連接或者彼此串聯或並聯。 As shown in FIG. 2, the battery pack 1 in combination with the battery connector 12 can be enclosed in a casing to be electrically connected to an external device or connected in series or in parallel with each other.

請參閱第3圖與第4圖,本創作亦提出一種儲能系統100,包括:複數個前述之多類型電池組1以及一電池管理系統2。 Referring to FIGS. 3 and 4, the present application also proposes an energy storage system 100 comprising: a plurality of the aforementioned plurality of types of battery packs 1 and a battery management system 2.

該電池管理系統(battery management system,BMS)2係電性連接該多類型電池組1,用以分配調節該多類型電池組1中各電池之放電速率,並進行電壓量測、溫度量測、充放電電流監測、電荷狀態(state of charge,SOC)與健康狀態(state of health,SOH)估測。該電池管理系統2可製作於一電路板上,包括電流感測電阻器、處理器、磁阻感測器等元件,並進行溫度保護、數據傳輸等工作。 The battery management system (BMS) 2 is electrically connected to the multi-type battery pack 1 for distributing and adjusting the discharge rate of each battery in the multi-type battery pack 1, and performing voltage measurement, temperature measurement, Charge and discharge current monitoring, state of charge (SOC) and state of health (SOH) estimation. The battery management system 2 can be fabricated on a circuit board, including a current sensing resistor, a processor, a magnetoresistive sensor, and the like, and performs temperature protection, data transmission, and the like.

在一個實施例中,該儲能系統100包括一光伏逆變器(photovoltaic inverter)3,該儲能系統100透過該光伏逆變器3連接至一太陽能發電模組PV。該光伏逆變器3又稱功率調節系統(power conditioning system,PCS),具有將該太陽能發電模組產生之直流電轉換為交流電,或者將直流電轉換為直流電的功能。該光伏逆變器3可為雙向(bi-directional),可將該電池組充電或使該電池組放電。 In one embodiment, the energy storage system 100 includes a photovoltaic inverter 3 through which the energy storage system 100 is connected to a solar power module PV. The photovoltaic inverter 3 is also called a power conditioning system (PCS), and has the function of converting direct current generated by the solar power generation module into alternating current power or converting direct current power into direct current power. The photovoltaic inverter 3 can be bi-directional to charge or discharge the battery pack.

除連接至該太陽能發電模組PV外,該儲能系統100也可連接至一風力發電模組,或者傳統之石化燃料發電、水力發電、核能發電等模組。 In addition to being connected to the solar power module PV, the energy storage system 100 can also be connected to a wind power generation module, or a conventional module for petrochemical fuel power generation, hydroelectric power generation, nuclear power generation, and the like.

該儲能系統100的運用範圍包括電網型,工業用戶、家庭用戶、商業用戶等。該儲能系統100可連結至一電網(power grid)G或微電網,該電網G上可連接有其他負載L,如電動車充電樁、家庭用電、工商業用電等。該儲能系統100可成組地設置於一貨櫃中並機動地運送至有電力需求的地點。該儲能系統100亦可設置於一較小之箱體,安裝於一般家庭、辦公大樓、電廠,並連接至該區域之微電網。該儲能系統100可自行運轉,或者以與其他儲能系統100相結合的方式運轉。 The scope of application of the energy storage system 100 includes grid type, industrial users, home users, business users, and the like. The energy storage system 100 can be coupled to a power grid G or a microgrid to which other loads L can be connected, such as electric vehicle charging piles, household electricity, industrial and commercial power, and the like. The energy storage system 100 can be placed in a group in a container and transported to a location where there is a need for power. The energy storage system 100 can also be placed in a smaller cabinet, installed in a general home, office building, power plant, and connected to the microgrid in the area. The energy storage system 100 can operate on its own or in combination with other energy storage systems 100.

在一個實施例中,該儲能系統100以及其他連結至該電網G上的發電模組、負載L可藉由一通訊網路連接至一能源管理系統(energy management system,EMS)E,該能源管理系統E可將該儲能系統100、該發電模組以及該負載L之運轉資料予以收集運算,進行配電以提高用電效能。對於該儲能系統100內的該複數個多類型電池組1,該能源管理系統E可調配該些電池組1的充放電工作,在該些多類型電池組1的電荷狀態超過一許可範圍時,將進行充電工作中的多類型電池組1轉為放電工作,或將進行放電工作中的多類型電池組1轉為充電工作。 In one embodiment, the energy storage system 100 and other power generation modules and loads L connected to the power grid G can be connected to an energy management system (EMS) E through a communication network. The system E can collect and calculate the operation data of the energy storage system 100, the power generation module, and the load L, and perform power distribution to improve power consumption performance. For the plurality of types of battery packs 1 in the energy storage system 100, the energy management system E can adjust the charging and discharging operations of the battery packs 1 when the charge states of the plurality of types of battery packs 1 exceed a permitted range. The multi-type battery pack 1 in the charging operation is turned into a discharge operation, or the multi-type battery pack 1 in the discharge operation is turned into a charging operation.

綜合上述實施方式,本創作之多類型電池組包括不同放電特性、不同種類的電池,並針對其放電特性而加以匹配組合。本創作之多類型電池組包括汰役電池之間的組合,或是汰役電池與新電池的組合。本創作之多類型電池組所應用之儲能系統,可連結至一電網,作為電力過剩或缺乏時的調節裝置,對電力作最有效率的使用。因此,本創作之多類型電池組及所應用之儲能系統可有效地利用各類不同汰役電池,在再生能源將逐漸成主流的未來,更加地節約能源與環保。 In combination with the above embodiments, the multi-type battery pack of the present invention includes different discharge characteristics, different types of batteries, and matched combinations for their discharge characteristics. The multi-type battery pack of this creation includes a combination between the battery of the demise, or a combination of a battery and a new battery. The energy storage system used in the multi-type battery pack of the present invention can be connected to a power grid, and is used as an adjustment device for excess power or lack of power, and the most efficient use of power. Therefore, the multi-type battery pack and the applied energy storage system of the present invention can effectively utilize various types of different types of service batteries, and save energy and environmental protection in the future where renewable energy will gradually become mainstream.

以上所述僅為本創作之較佳可行實施例,非因此即侷限本創作之專利範圍,舉凡運用本創作說明書及圖式內容所為之等效結構變化,均理同包含於本創作之範圍內,合予陳明。 The above description is only a preferred and feasible embodiment of the present invention, and thus does not limit the scope of the patents of the present invention. The equivalent structural changes that are made by using the present specification and the contents of the drawings are all included in the scope of the present creation. , combined with Chen Ming.

Claims (9)

一種多類型電池組,包括:複數個電池,該複數個電池中至少有兩個電池具有不同之放電特性;以及複數電池連接件,設置於該複數個電池之正極與負極,使該複數個電池彼此相互串聯或並聯。 A multi-type battery pack comprising: a plurality of batteries, at least two of the plurality of batteries having different discharge characteristics; and a plurality of battery connectors disposed on the positive and negative poles of the plurality of batteries to enable the plurality of batteries Connected to each other in series or in parallel. 如申請專利範圍第1項所述之多類型電池組,其中該複數個電池中至少有兩個電池具有不同之型號或種類。 The multi-type battery pack of claim 1, wherein at least two of the plurality of batteries have different models or types. 如申請專利範圍第2項所述之多類型電池組,其中該複數個電池包括乾電池、燃料電池、鋰離子電池、鎳氫電池、鎳鎘電池及/或鉛酸電池。 The multi-type battery pack of claim 2, wherein the plurality of batteries comprises a dry battery, a fuel cell, a lithium ion battery, a nickel hydrogen battery, a nickel cadmium battery, and/or a lead acid battery. 如申請專利範圍第1項所述之多類型電池組,其中該複數個電池具有相同之型號或種類。 The multi-type battery pack of claim 1, wherein the plurality of batteries have the same type or type. 如申請專利範圍第4項所述之多類型電池組,其中該複數個電池包括乾電池、燃料電池、鋰離子電池、鎳氫電池、鎳鎘電池及/或鉛酸電池。 The multi-type battery pack of claim 4, wherein the plurality of batteries comprises a dry battery, a fuel cell, a lithium ion battery, a nickel hydrogen battery, a nickel cadmium battery, and/or a lead acid battery. 一種儲能系統,包括:至少一如申請專利範圍第1至5項中任一項所述之多類型電池組;以及至少一電池管理系統(BMS),係電性連接該多類型電池組。 An energy storage system comprising: a multi-type battery pack according to any one of claims 1 to 5; and at least one battery management system (BMS) electrically connected to the multi-type battery pack. 如申請專利範圍第6項所述之儲能系統,更包括一光伏逆變器,該光伏逆變器係連接該多類型電池組以及一太陽能發電模組。 The energy storage system of claim 6, further comprising a photovoltaic inverter connected to the multi-type battery pack and a solar power generation module. 如申請專利範圍第6項所述之儲能系統,其中該儲能系統係 連接至一電網。 An energy storage system as described in claim 6 wherein the energy storage system is Connected to a power grid. 如申請專利範圍第6項所述之儲能系統,其中該儲能系統係與一能源管理系統(EMS)連接。 The energy storage system of claim 6, wherein the energy storage system is coupled to an energy management system (EMS).
TW107203059U 2018-03-09 2018-03-09 Multi-type battery set and energy storage system using the same TWM562492U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW107203059U TWM562492U (en) 2018-03-09 2018-03-09 Multi-type battery set and energy storage system using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW107203059U TWM562492U (en) 2018-03-09 2018-03-09 Multi-type battery set and energy storage system using the same

Publications (1)

Publication Number Publication Date
TWM562492U true TWM562492U (en) 2018-06-21

Family

ID=63257188

Family Applications (1)

Application Number Title Priority Date Filing Date
TW107203059U TWM562492U (en) 2018-03-09 2018-03-09 Multi-type battery set and energy storage system using the same

Country Status (1)

Country Link
TW (1) TWM562492U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI669678B (en) * 2018-11-30 2019-08-21 旭隼科技股份有限公司 Intelligent energy management off-grid solar inverter energy storage system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI669678B (en) * 2018-11-30 2019-08-21 旭隼科技股份有限公司 Intelligent energy management off-grid solar inverter energy storage system

Similar Documents

Publication Publication Date Title
Jaiswal Lithium-ion battery based renewable energy solution for off-grid electricity: A techno-economic analysis
Subburaj et al. Overview of grid connected renewable energy based battery projects in USA
Ogunniyi et al. Overview of battery energy storage system advancement for renewable (photovoltaic) energy applications
Jallouli et al. Sizing, techno-economic and generation management analysis of a stand alone photovoltaic power unit including storage devices
Zubi et al. Techno-economic assessment of an off-grid PV system for developing regions to provide electricity for basic domestic needs: A 2020–2040 scenario
CN103248064A (en) Composite energy charging energy storage system and method thereof
CN103168406A (en) Battery pack, method for charging/discharging same, and power consumption device
Olaofe et al. Energy storage technologies for small scale wind conversion system
Fares et al. Combining a dynamic battery model with high-resolution smart grid data to assess microgrid islanding lifetime
Martinez Modeling and characterization of energy storage devices
Subburaj et al. Analysis and review of grid connected battery in wind applications
JP2013215045A (en) Power storage system, cartridge
Salkuti Comparative analysis of electrochemical energy storage technologies for smart grid
Ananda-Rao et al. Battery energy storage system assessment in a designed battery controller for load leveling and peak shaving applications
Rose et al. Performance testing of zinc-bromine flow batteries for remote telecom sites
Kim et al. Computer-aided design and optimization of hybrid energy storage systems
Parlikar et al. Topology and efficiency analysis of utility-scale battery energy storage systems
TWM562492U (en) Multi-type battery set and energy storage system using the same
CN204835716U (en) Modular energy storage system
Tong et al. Second life battery pack as stationary energy storage for smart grid
CN208045651U (en) Polymorphic type battery pack and its energy-storage system applied
Bhukya et al. Designing of Lithium-Ion Battery Pack Rechargeable on a Hybrid System with Battery Management System (BMS) for DC Loads of Low Power Applications–A Prototype Model
CN105656172A (en) Battery management system based on wind-solar complementation
CN214154120U (en) Photovoltaic UPS lithium battery energy storage system
CN105186548A (en) Electric network terminal energy storage system