科大国创智能能源系统解决方案 - 电子画册在线预览、各类电子画册在线制作-云展网平台

C Intelligent Energy age System Solution 智慧储能系统解决方案 科大国创

Deliver Ability CNAS Detection capability 15-34P Intelligent Energy Storage System Solutions Liquid-cooled containerized energy storage system GCE Power-3440-2H-L Distributed air-cooled energy storage system GCE Power Cube-250F Distributed liquid-cooled energy storage system GCE Power Cube-215L Residential Energy Storage System Energy Storage BMS Energy Storage BEMS Energy Storage Inverter PCS-125K Intelligent Energy Storage Controller Energy Internet Intelligent Control Platform 35-39P Project Applications 目录 CONTENTS 01-04P Company Profile Company History 05- 14P R&D Strength Design Concept Product Value

Originated from the University of Science and Technology of China (USTC), KDGC is a leading hi-tech listed company from China in data intelligence products and services (stock code: 300520). After more than 20 years of hard work, the company has become a national team in big data R&D and application, a leader in data intelligence and high trustworthy software, and a pioneer in smart grid + smart energy storage. Centralized wind power人人Wind power intelligent operation system Virtual Power Station Centralized PV Energy storage C e l l 、 BMS、 BEMS、 EMS、Energy storage power station Intelligent operation and maintenance supervision platform RESS PV intelligent operation system Virtual power station operation system Controllable loads Power consumption mornitoring system Intelligent Operation and Maintenance Supervision Platform Microgrid Smart Microgrid System Virtual Power Station Virtual power plant digital intelligence management platform Virtual power plant operation system, data intelligence system Virtual power plant operation system Regional New Energy Centralized Control Regional new energy intelligent control platform Regional photovoltaic intelligent control platform Regional wind power intelligent control platform Group new energy centralized control Group-level New Energy Intelligent Control Platform + Group-level Big Data Intelligent Platform GuoChuang Software Co.,LTD Gro u p R e gin al Statio n Photovoltaics, wind power, energy storage, controllable loads, charging piles, microgrids PowerLine Communication Line Company Profile \/ About us Battery cell, BMS, BEMS, EMS, Energy storage station Virtual Power Station Operation System PV intelligent operation system . . . Distributed PV Industrial commercial energy storage Virtual Power StationN Charging Pile Grid . . . Seizing the new opportunities in the development of new energy vehicles and intelligent energy storage, KDGC gives full play to its software advantage and independently researches and develops a series of digitalized new energy products and technologies, such as BMS\/BEMS, PACK, intelligent energy storage system, optical storage and charging microgrid brain, storage power station monitoring and operation and management system, virtual power plant, etc., and obtains the market recognition. Forming the new digitalized energy products matrix,from the battery module-PACK- battery cluster-energy storage system-energy storage power station-Energy Storage Power Station Monitoring and Operation Maintenance Platform-Regional Monitoring Platform-Group New Energy Control Platform. KDGC has strong ability to build digital new energy products integrating hardware and software. KDGC Blueprint of Digital Energy Business Scenario

20+Years Precipitation of Expertise 70+ Accumulated Patent Applications 100 Million CNY Registered Capital 8GWh Battery PACK annual capacity 40%+ Percentage of R&D staff 10GWh+ Service & Shipment (BMS+Systems) ● 01 02 ● GuoChuang Renewable Technology Co.,LTD 【Guochuang（300520） Wholly-owned subsidiary】 Guochuang Rewnable Energy Technology Co.,ltd is a wholly-owned subsidiary of Guochuang Software Co.,ltd (300520), referred to as \"GC New Energy\", with a registered capital of 100 million RMB. The company R&D and manufactures products which highly integrated intelligent hardware and software. We has strong technical advantages in intelligent battery management system, power source system, intelligent energy storage system, etc. The products are widely used in new energy vehicles and new energy storage fields, and it is committed to becoming a respected high-end manufacturing enterprise in the new energy industry.

l Successfully researched and developed power BMS, and determined the direction of new energy development with BMS as the core. ·l Layout of energy storage business and formation of team; - l Accumulated shipment of 100,000 sets of BMS; l Commencement of construction of industrial park; l Completion of reorganization with KDGC l Tewl Spstsutol Identification of DC cascade energy storage as the main technology direction; l Commissioning of the first phase of the industrial park . 2014 2020 2018 History l Company found 2012

R&D Strength 研发实力 Create Professional Integration Based on Core Components KDGC has an energy storage R&D team of nearly 200 people, including power electronics technology team, energy storage BMS technology team, energy storage EMS technology team, energy storage integration design team, etc. The company has formed a battery PACK, BMS, PCS, EMS product R&D capability and distributed and centralized energy storage system integration capability. The company has formed the R&D capability of battery PACK, BMS, PCS, EMS products adistributed and centralized energy storage system integration capability. The BEMS developed by tcompany can support active equalization of kilowatt level between battery packs, independent control of clusters, inhibition of circulating current between clusters, resolution of series-parallel mismatch, and support for mixing of old and new battery packs, thus enhancing the availability of power in the energy storage system, improving safety, and simplifying operation and maintenance.Battery Energy Management system（BEMS） Local Energy Management System（EMS） Module Design Power Conversion System（PCS） Battery Management System（BMS） Pack and Energy Storage System Integration Design 科大国创

and the . Utility model patent certificate 60+ Computer Softwriting Certificate69+ High-tech Enterprise Certificat Quality Management System Certificate Invention Patent Certificate15+ Product test report ● 05 06 ●

l ImWl Esal Lsl Weak Grid Adaptation, Grid Construction for Grid l Security Efficient Vector Algorithms to Improve System Efficiency Design Concept 设计理念 The energy storage system is definitely not a simple patchwork, but a close integration of various components. KDGC adopts the design concepof “building professional integration based on core components”, devotes itself to the refinement and deep integration of BMS, PCS and EMand adopts the innovative architecture based on BEMS, combined with specialized electrical, safety and thermal management integration design form a high safety, high efficiency and easy to operate and maintain energstorage system. l Maximum 10A active equalization between packs l Independent power control between clusters l Mixed use of old and new battery packs l Enhance the available capacity of the system and improve safety, l Simplify operation and maintenance l High-precision sampling calculation presents the real state of the system l Multi-dimensional composite protection enjoys the system security experience l Multi-level fault control escorts the stable operation of the product l Multi-programs converge to provide the optimal price options BEMS PCS BMS am

Integration of tertiary BMS, energy management EMS and local HMI or Web; Efficient energy management strategies to optimize energy allocation; Local data safety analysis, proactive safety warning ● 07 08 ● pt MS, to gy l PACK level independent fire protection, inter-cluster loop current suppression, faulty battery cluster on-line switching EMS Safety Thermal Manage- ment GUCUAnG l High-efficiency intelligent temperature control, multiple equalization measures, long service life.

Product Value 产品价值 l Maximum 10A active equalization between PACKs, no fear of barrel effect . l Maximum 35kW or 30A active equalization between clusters, no fear of parallel mismatch. Safety Efficiency l BEMS inter-cluster loop current suppression. l Online switching of faulty battery clusters. l PACK-level BMS linkage fire protection.

● 09 10 ● l Strong and weak network adaptation l Grid structure technology l Supports fast FM and inertia control l 50ms grid scheduling response l Multi-level topology, low grid harmonics Easy O&M Grid adaptation l Supports mixing of old and new battery packs l Support SOC automatic calibration l Supports automatic capacity calibration l All-round digital monitoring

模组自动焊接 Delivery Capacity 交付能力 Intelligent Manufacturing Center is equipped with automatic SMT high-speed placement line, automatic three-proof coating line, aging room, wiring harness manufacturing workshop, fully automated module production line, flexible module production line, the whole package assembly line, continuous process innovation, digitalization, automation to improve product quality, to create a demostration factory for the new energy industry. First-tier Brand Customers Class 100,000 clean room Power and storage battery system production capacity 8GWh\/Year 2 Million Sets\/Year SMT production capacity Long-term and stable cooperation with Constant temperature and humidity brands such as BYD, KDNT, etc.

电芯OCV测试系统组装 ● 11 12 ● MES System On-line high temperature aging 电性能测试精密制造部产线 Product Lifecycle Management Protecting the performance of products in various fields ESD Anti-Static Monitoring System High Precision FCT Function Test Installation of aging room to ensure product quality Full anti-static protection

Energy Storage High Voltage Test Platform CNAS Detection Capacity CNAS 检测能力 The Experiment Center covers an area of 2,000 square meters, with 12 test areas, providing multi-dimensional testing and verification scope such as software function test, environmental performance test, mechanical load test, electrical performance test, etc., and has the ability of more than 60 comprehensive testing projects, and provides third-party testing technology services. Scope of Testing Services (CNAS National Laboratory Accreditation) Energy storage 10kV test rig System Assemblies Maximum test power of 2.5 MW with 690 V and 400 V AC connectors Power battery systems, energy storage battery systems, small power supply systems, high voltage distribution systems, etc.

HIL Test Equipent Charge and Discharge Test Equipment Electrical Performance Test Equipment Automotive Electronic Controller Electrical and electronic components ● 13 14 ● Vehicle controller, battery management system, body controller, intelligent driving, automotive gateway, etc. Circuit boards, electronic components, automotive sensors, copper wire, product housings, etc.

● 15 16 ● Intelligent ESS Solution 智能储能方案 Centralized Intelligent Energy Storage System Dispatch Center Mornitor system Energy Managent system Application Scenarios： Communication Cable Power Cables AC DC Commercial and industrial energy storage Emergency energy storage Residential Energy Storage Smart micro-grid Transmission and distribution side Power supply side Grid Distributed Intelligent Energy Storage System Photovoltaic system Loder system

Safe and Reliable • Independent control of single clusters, active suppression of loop current between clusters • Comprehensive DC safety management, short-circuit fast disconnection and arc extinguishing protection. • PACK-level active fire protection, and BMS linkage control, to ensure timely and effective fire protection • Faulty battery clusters are removed online, ensuring both safety and efficiency. Simple operation and maintenance • Support for mixing new and old battery packs, instant replacement • Support for automatic calibration of SOC and battery capacity software, free of manual labor. Cost-saving and efficient • 10A active equalization between PACKs, maximum 35kW or 30A active equalization between clusters, no fear of system series-parallel mismatch. • More than 95% charging and discharging depth, fully exploiting the battery capacity. • Multiple equalization technology, average annual system degradation is less than 1.5%. Smart and High adaptability • Integrated energy storage system, easy to transport and install. • All-round digital monitoring, automatic fault identification and localization. Liquid cooled container energy storage systemGCE Power-3440-2H-L L液冷集装箱储能系统GCE- 3 4 4 0 - 2H- L

Product Model GCE Power-3440-2H-L Cell Type LiFePO4 Rated Capacity 2800Ah Combination Method 10P384S Rated Power 3440kWh Rated Voltage 1228.8V Operation Voltage Range 1075.2~1382.4V Rated charge\/discharge ratio 0.5C Charging working Temp. -30℃~60℃ Disharging working Temp. -30℃~60℃ Storage Temp. Short（In a Month） -30℃~60℃ Long（In a Year） 0℃~35℃ Storage humidity ≤95% Altitude 2000m Dimension（L*W*H） 6200*2700*2896mm Weight 35,000KG Waterproof level IP54 Cycle 6000次 Charge&Discharge Efficiency ≥93% Cooling Method Liquid-cooling Coolant Ethylene glycol: aqueous solution（50%v:50%v） Fire protection system Heptafluoropropane or perfluorohexanone + water flooding Detector type Temperature sensing, smoke sensing, CO, H2, VOC, combustible gas * Subject to actual product delivery ● 17 18 ●

Distributed air-cooled energy storage system GCE Power Cube-250F 分布式风冷储能系统 GCE Power Cube-250F • Active equalization of large currents between packages without fear of the barrel effect. • Intelligent air-cooled design for longer system lifetime. • Integrated design of fire protection, BMS, PCS, EMS to ensure safe and reliable operation of the system Simple operation and maintenance Cost-saving & Efficient Smart and High adaptability Safe and Reliable • Supports mixing of old and new battery packs, ready to use. • Automatic calibration of system SOC and capacity without manual calibration. • Single cabinet standard modular design, flexible expansion, convenient transportation and installation • Built-in EMS, multiple operation modes, flexible adaptation to various scenarios. • Digital platform, monitoring to each battery cell,realization of unmanned operation.

Product Model GCE Power Cube-250F Energy storage cabinet capacity 200kWh 225kWh 250kWh DC Battery Parameter Cell Type LFP 280Ah Battery Pack Configuration 25.08kWh\/1P28S Battery System Configuration 200.7kWh\/1P224S 225.7kWh\/1P252S 250.8kWh\/1P280S Battery Voltage Scope 605~817.6V 680~919V 756~1022V AC Side Parameters AC Rated Power 100kW 125kW AC Current Distortion Rate ≤3% Grid Voltage Scope 380\/400V Wire Method Three-phase three-wire\/three-phase four-wire Power Factor -1~1 Rated Grid Frequency 50Hz System Parameters Charge\/Discharge Ratio ≤0.5C Depth of Discharge 95%DOD Number of Cycles >6000 Charge\/Discharge Switching Time <100ms Communication interface Ethernet\/CAN\/RS485 Protection Level IP54 Cooling Method Air-cooled air conditioning Operation Temp. -20~60℃ Relative Humidity 5~95%RH，Condensationless Noise <70dB Altitude <2000m Fire protection system Perfluorohexanone, Active alarm Dimension 1600(W)*2280(H)*1200(D) ● 19 20 ● * Subject to actual product delivery

Distributed liquid cooled energy storage system GCE Power Cube-215L 分布式液冷储能系统 GCE Power Cube-215L Simple operation and maintenance Cost-saving & Efficient Smart and High adaptability Safe and Reliable • Integrated design of fire protection, BMS, PCS, EMS to ensure safe and reliable operation of the system • Active equalization of large currents between packages without fear of the barrel effect. • Intelligent air-cooled design for longer system lifetime. • Supports mixing of old and new battery packs, ready to use. • Automatic calibration of system SOC and capacity without manual calibration. • Single cabinet standard modular design, flexible expansion, convenient transportation and installation • Built-in EMS, multiple operation modes, flexible adaptation to various scenarios. • Digital platform, monitoring to each battery cell,realization of unmanned operation. 科大国创

Product Model GCE Power Cube-215L Energy storage cabinet capacity 215kWh DC Battery Parameter Cell Type LFP 280Ah Battery Pack Configuration 43kWh\/1P48S Battery System Configuration 215kWh\/1P240S Battery Voltage Scope 600~876V AC Side Parameters AC Rated Power 100kW AC Current Distortion Rate ≤3% Grid Voltage Scope 380\/400V Wire Method Three-phase three-wire\/three-phase four-wire Power Factor -1~1 Rated Grid Frequency 50Hz System Parameters Charge\/Discharge Ratio ≤0.5C Depth of Discharge 95%DOD Number of Cycles >6000 Charge\/Discharge Switching Time <100ms Communication interface Ethernet\/CAN\/RS485 Protection Level IP54 Cooling Method Liquid cooled Operation Temp. -20~60℃ Relative Humidity 5~95%RH，Condensationless Noise <70dB Altitude <2000m Fire protection system Perfluorohexanone, Active alarm Dimension 1100(W)*2500(H)*1400(D) ● 21 22 ● * Subject to actual product delivery

• Supports automatic switching between parallel and off-grid, with uninterruptible power supply function. • Passed the global mainstream certification, in line with international standards. • Battery modular design for easy maintenance and capacity expansion. • Battery + Inverter + PV MPPT distributed design • Three-level protection mechanism BMS, IP55 rating • With short-circuit, over-under- voltage, overload, leakage and other protection • LiFePO4 cell, maximum 0.5C charging and discharging capacity • LFP battery, guaranteed for more than 10 years of service life. Household energy storage system 户用储能系统 Flexible Configuration Safe&Reliable High efficiency and long life Complete certification

System main parameter PV Parameter Number of MPPT paths 2 Max. Input Power 6000W Max. Input Voltage 580V Max. Input Current 13A Battery Module Cell Type LPF Cell Capacity 100Ah Power Capacity 15~40kWh Nominal Voltage 51.2V AC Output（ OFF\/ON Grid） Nominal Output Power 8000W Rate Output Vol.[V]＆Grid Frequency[Hz] 110\/230＆ 50\/60±5 Power Factor（On-Grid） ±0.8 Protection Anti-islanding\/overcurrent\/overload\/over- undervoltage\/short-circuit, etc. — Other Protection Level IP55 Communication RS485\/CAN\/Ethernet Noise ≤60dB Working Temp. Range -20~55℃ Humidity Range 5%~95% Photovoltaic battery energy storage system ● 23 24 ● PV Loads Grid WIFI APP\/Web 4G Typical Solutions * Subject to actual product delivery

The product can be flexibly adapted to secondary and tertiary energy storage systems; it supports core, pack, cluster and stack battery data acquisition, SOX estimation and inter-cell equalization control; and it can realize real-time monitoring and display of the battery system, parameter issuance, fault diagnosis, insulation monitoring, alarm processing, and data recording and storage. • The BMU supports up to 56 strings. • Completely covers all types of solutions for 1500V systems • Realization of up to 4 levels of fault protection system. • Support for real-time monitoring of battery data, fault diagnosis and other functions • Compatible with Tier 2 and Tier 3 energy storage systems. • For commercial, industrial and residential applications. Energy Storage BMS 储能 BMS Cost reduction and efficiency gains Flexible Configuration Smart and High adaptability Primary slave BMU (12-60 strings) Secondary cluster control BCU Three levels of master control BAU Safe&Reliable • Extremely low-cost all-in-one control solution.

PACKn BMUn Volt. collect Temp. collect Equalization PACK1 BMU1 Cluster n Product Type Energy Storage BMS Function Parameter Range Note Supply Power Voltage 12~36V Single Cell Volt. Number of channels 12~56 Series BMU Voltage 0~5V Inaccuracies ±5mV Temp. collect Channel Num. 6~36 path Temp. range -40~125℃ Inaccuracies ±1℃ Passive equilibrium Equalization current value 100mA Total DC Volt. sample Voltage 1500Max V 0.5%FS Total DC Current sample Current ±300A 0.5%FS Cluster Insulation Monitor Resister 0~20MΩ 10%accurate DI\/DO Channel 5\/10 path Communications interface BAU Type RS485\/LAN\/CAN\/4G Channel Num. 4\/1\/2\/2\/1 path Data storage Capacity 128G Online upgrade Support ⸺ HMI touchscreen 10.1 inch “-”contactor BCUn CAN2 Busbar Volt. detect Busbar current detect PACKn BMUn ● 25 26 ● System Topology Diagram H-Vol. Box 1 “-”contactor BCU1 CAN2 Busbar Volt. detect Busbar current detect Cluster 1 PACK1 BMU1 PCS a“+”contactor Hall\/Shunt BAU CAN RS485\/CAN\/WLAN HMI AC\/DC energy meters Temp.&Humidity Air conditioner Fire protection RS485\/WLAN N cell clusters inparallel 4G\/WLAN N battery packs in series Pre-Charge Relay RS485 Ambient Temp. Detection H-Vol. Box n I n s u l a tio n D e t e c CAN CAN CAN1 CAN1 * Subject to actual product delivery Ambient Temp. Detection a“+”contactor Fuse Fuse Hall\/Shunt I n s u l a tio n D e t e c Pre-Charge Relay N battery packs in series Volt. collect State detect State detect I\/O control I\/O control Temp. collect Equalization Equalization Volt. collect State detect I\/O control Temp. collect Equalization Volt. collect State detect I\/O control Temp. collect Equalization

The product integrates power electronics technology and energy storage BMS technology, which not only possesses all the functions of energy storage BMS, but also realizes the independent control of voltage, current and power of individual battery packs and clusters, thus solving the problems of traditional energy storage systems, such as inter-cluster circulating current, barrel effect, and mixing of old and new batteries. Energy Storage BEMS 储能 BEMS Safe&Reliable Simple Operation and Maintenance Highly Efficient Conversion • Realization of on-line faulty cell cluster removal • Inter-cluster loop current suppression. • 10A active equalization between packets, no fear of barrel effect. • Independent control of power between clusters, no fear of parallel mismatch. • Supports automatic calibration of battery pack SOC and capacity without manual calibration. • Supports mixing of old and new battery packs. BEMU (Battery Module Energy Manager) BAU（Battery Array Unit） BECU (Battery Cluster Energy Manager)

Busbar Positive UBUS+ The first cluster CAN CAN CAN CAN CAN Product parameter Energy Storage BEMS Part Function Parameter Range BEMU（ Battery Module Energy Manager） Supply Power Voltage 16VDC~32VDC Single Cell Voltage Channel Num. 40~56 Series Voltage 0~5V Erro ±5mV Temp. Collect Collect Channel Num. 20~28Path Collect Range -40℃~125℃ Collect Accurate -40℃~-30℃, Erroe：±2℃ -30℃~+60℃, Error：±1℃ +60℃~+125℃, Error：±2℃ Inter-module Equalization Current Max. Equalization current 10A Collect Accurate 1% Inter-module Equalization Power Power value 2.0kW BECU（ Battery Cluster Energy Manager） System Volt. Collect Collect Channel Num. 3 Collect Range 0~1600VDC Collect Accurate ＜500V ≤5 ≥500V ≤1% System Current Collect Collect Channel Num. 1 Collect Range 0~300A Collect Accurate ＜200A ≤2A ≥200A ≤1% Inter-cluster Equalization Capability Max. Equalization Power\/Current 35kW\/30A Inter-cluster voltage compensation 0~20V CAN\/RS485\/DI\/DO Channel Num. 2 BAU (Battery Array Unit） CAN Channel Num. 2 RS485 Channel Num. 4 DI\/DO Channel Num. 11 LAN Channel Num. 2 Data storage Capacity 128G PACK(1) The N cluster CAN CAN CAN CAN CAN ● 27 28 ● System Topology Diagram PCS BECU 1 BEMU 11 BEMU 12 BEMU 1(N-1) BEMU 1N BEMU N1 BEMU N2 BEMU NN BEMU N(N-1) r c BECU N Backstage Data HMI BAU PACK(N) PACK(N-1) PACK(N-1) PACK(N) PACK(2) PACK(1) PACK(2) Negative Busbar UBUSRS485\/ETH RS485 CAN ETH * Subject to actual product delivery

· The product is capable of realizing two-way power flow between grid and battery, charging and discharging the battery according to real-time scheduling instructions and regulating the active and reactive power of the grid, featuring fast response speed, high grid-friendliness and high energy density. Energy storage inverter PCS-125K 储能变流器 PCS-125K Efficient operation Highly expandable High-adapt to Grid • Multi-level topology + efficient vector control for high operating efficiency • Adaptation to strong and weak networks. • Grid structure technology. • Support for fast FM and inertia control. • 50ms grid scheduling response. • Multi-level topology, low grid harmonics. • Modular design, supports parallel connection of multiple machines, capable of combining different power levels, wide range of applications.

Product Model PCS-125K DC Side Parameter System Parameter DC Volt. Range 650~1000V System Max. Efficiency >98% Max. DC Current 220A System Voltage Format TN380 Max. DC Power 137.5KW Charge\/Discharge Switch Time <100ms AC Side Parameter Communication interface CAN\/RS485\/Ethernet AC Rated Power 125KW Protection Level IP20 AC Max. Power 137.5KW Cooling Method Smart air-cooled AC current distortion rate <3% Working Temp. -20~55 DC component 0.50% Relative Humidity 0~95%RH Rated Voltage 380\/400V Noise <70dB Power Factor -1~1 SystemDimension（L*W*G） 550*220*750mm ● 29 30 ● System Topology Diagram I-NPC Control System DSP+FPGA+ARM AC EMI DC EMI A A CAN WLAN RS485 Fuse Relay DC+ DC- A B C Relay A * Subject to actual product delivery

• High-performance ARM quad-core main control chip ensures reliable and stable operation. • Support 32 clusters of information gathering, calculation and SDD storage, high data security and reliability. Smart energy storage controller 智慧储能控制器 The product not only integrates BMS master control, BEMS master control, local EMS, communication management and other functional modules, but also has HMI or Web human-computer interaction, local big data calculation and analysis, energy optimization and distribution, active safety warning, intelligent operation and maintenance, etc. The product is powerful and small in size, and it is suitable for data acquisition and communication, energy management and monitoring of energy storage power stations of various capacities. ESCU100 ESCU200 ESCU300 Efficient Management Safe&Reliable Proactive Warning Simple operation and maintenance• Multi-port energy consumption monitoring and data analysis to optimize energy distribution and achieve efficient energy management ; • Diversified control strategies and adaptive dynamic adjustment strategies to maximize benefits. • Multi-dimensional diagnostic strategy and multi-level security protection strategy based on the monomer level, realizing the abnormal safety warning of the electric core. • Multi-directional environment monitoring, equipment monitoring and data analysis, realizing all-round safety warning of energy storage system. • Local HMI, Web display, easy to configure, easy to operate. • Support local and remote software upgrade and code backup. • Regular battery auto-maintenance, auto-calibration reminder, one-key auto-calibration;

Mode ESCU100 ESCU200 ESCU300 Supply Power Rated 24V, support wide voltage DC9~36V, with reverse connection protection, over-current protection CPU M4 single core， 200M Cortex-A7，800MHz quad-core Cortex-A55， 1.8GHz DI 13 Path 6 Path 8 Path DO 9 Path（passive） 6 Path 8 Path 2 Path（active） RS485 Port 4 Path 4 Path 6 Path RS232 Port 1 Path 2 Path 2 Path Ethernet Port 4 Path 2 Path 2 Path100M\/1000M 2 Path 10M\/100M CAN 2 Path 2 Path 2 Path 4G Support Support Support WiFi \/ Support Support Display Mode 10.1 inch touch screen Web+touch screen （option） Web+touch screen （option） Type of statute Modbus CAN Modbus CAN Modbus CAN MQTT IEC101\/103\/104 MQTT IEC104 MQTT IEC101\/103\/104 IEC61850 Working Temp. -20℃~50℃ -25℃~85℃ -25℃~85℃ Working humidity 5%～90% Storage Temp. -40~85℃ IP Level IP20 Dimension 271*213.5*40.2 150*110*45 220*140*45 Install Method Recessed Recessed\/Wall-mounted Recessed\/Wall-mounted ● 31 32 ● * Subject to actual product delivery e

The product can realize intelligent operation and maintenance of energy storage system, integrated collaborative control of source, network, load and storage, carbon asset management, and energy panoramic sensing and linkage, helping enterprises to use energy in a fine and scientific way and realize energy saving and carbon reduction. • Receive third-party EMS system scheduling; • Support carbon asset management to achieve carbon emission reduction and carbon revenue calculation; • Integrated energy management to achieve optimal application of energy in a district or a local area; • Multi-level monitoring and display of information on battery stacks, clusters, packs and cores; • Battery health diagnosis of the whole life cycle of the storage system and optimization of the storage system's operation strategy; • Forecasting the use of photovoltaic power generation and loads to form a realtime source-network-load-storage linkage. By predicting the use of photovoltaic power generation and load, it forms a real-time source, network, load and storage linkage control strategy, which helps to improve the level of new energy consumption, smooth power output, and help enterprises realize energy saving and carbon reduction. Energy Internet Intelligent Control Platform 能源互联网智能控制平台

Operation Management Management Cockpit, PV Forecasting, Load Forecasting, Operations Overview Energy Management Comprehensive energy analysis, energy consumption forecasting, real-time equipment operation monitoring, energy consumption ratio, linkage strategy Carbon Management Carbon inventory management, carbon asset management, carbon emission monitoring, carbon neutral pathway demonstration, carbon emission forecasting IOT Management Device registration, device ledger, device measurement points, protocol configuration, edge computing models Intelligent Backend Users and permissions, IOT configuration, reporting platform, data analysis model, data integration ● 33 34 ● Networking Topology Diagram PV Charging Pile Energy Storage Water Meter Air Conditioning Alarm Smoke Web Sever Data Sever Client 1 Client 2 Smart Energy Storage Controller Local Monitoring 4G router Wideband TechnicalParameter 4G Web Client Side Mobile Monitoring Internet Electricity Meter Temp. and Humidity

Project application 项目应用 Highlights: A typical “light storage and charging” integrated microgrid system, which makes full use of green energy technologies such as photovoltaic and energy storage, and reduces local investment in the distribution network. Highlights: Enhance the flexibility of grid operation and peak-adjustment capacity, increase the financial income of the host region, and promote local economic development. Grid-side energy storage County A shared energy storage plant Commercial & Industrial Energy Storage Overseas mixed-use projects

● 35 36 ● Highlights: Introducing new equipment and technologies such as photovoltaic and energy storage to reduce the consumption of non-renewable energy resources and realize sustainable development, energy saving and carbon reduction. Highlights: A typical “light storage and charging” integrated microgrid system, fully utilizing green energy technologies such as photovoltaic and energy storage to achieve energy saving and emission reduction as well as the goal of an intelligent low-carbon park. 皖能低碳园区综合能源项目 Commercial & Industrial Energy Storage Anhui Energy Low-Carbon Park Integrated Energy Project Lu'an Wastewater Treatment Plant Energy Storage Project Commercial & Industrial Energy Storage

Highlights: Self-generation and self-consumption, storage of surplus electricity, improved utilization of photovoltaic, effective regulation of electricity load, increased utilization of distributed renewable energy, energy saving and emission reduction. Highlights: Modular energy storage system design, flexible application in small-scale industrial and commercial, PV charging station and small-scale microgrid, improve power quality and increase operational efficiency. Project Application 项目应用 Commercial & Industrial Energy Storage Commercial & Industrial Energy Storage Anhui Hefei Low Carbon Park Project Air-cooled standard energy storage project in a park

Highlights: Relieve the pressure of peak electricity consumption, reduce the load on the power system, save energy costs, and promote the application and development of renewable energy in the park. Highlight: Shaving peaks and filling valleys, effectively regulating the electricity load, increasing the utilization rate of renewable energy resources, and realizing energy conservation and emission reduction in the park.。 37 38 ● Commercial & Industrial Energy Storage Commercial & Industrial Energy Storage Inner Mongolia Project Site Project site in Hefei, Anhui Province

Highlights: The company has built plant-level big data platforms in conjunction with a number of power stations and power plants, and has built a big data platform for Guodian Power at its headquarters, which carries out data governance for Guodian Power's headquarters and subordinate power plants. The Guodian Power Headquarters schedules and synchronizes data through the data transmission system, and the analyzed data is synchronized to the plant-level big data platforms. Highlights: Based on the IOT management platform, it builds a “cloud-network-edge-end” energy industry Internet architecture, realizes the supply and demand connection among “energy service demand customers, energy service supply customers, and triple-network integration customers”, and forms a new ecosystem of intelligent energy services. National Energy Group Guodian Power Big Data Intelligence platform State Power Investment Group Tianshu Cloud ● 39 P ● roject Application 项目应用

KDGCStora科大国创智GuoChuang Renewable Energy Technology Co.,LTD 0551-62589979 www.gcxn.com.cn No.584 Mingzhu Avenue, Gaoxin District, Hefei City, China

0551-6258997 GuoChuang Renewable Energy Technology Co.,LT GuoChuang Intelligent Energy Storage System Solution D 9 www.gcxn.com.cn No.584 Mingzhu Avenue, Gaoxin District, Hefei City, China 科大国创

01-04P Company Profile Company Histor 39-44P Project Applications CONTENTS y 05- 14P R&D Strength Design Concept Product Value Deliver Ability CNAS Detection capability 15-38P Intelligent Energy Storage System Solutions Liquid-cooled containerized energy storage system GCE Power-3440-2H-L Liquid-cooled containerized energy storage system GCE Power-5.0-2H-L Distributed air-cooled energy storage system GCE Power Cube-250F Distributed liquid-cooled energy storage system GCE Power Cube-215L Distributed liquid-cooled energy storage system GCE Power Cube-261L Residential Energy Storage System Energy Storage BMS Energy Storage BEMS Energy Storage Inverter PCS-125K Intelligent Energy Storage Controller Energy Internet Intelligent Control Platform

20+Years Precipitation of Expertise Accumulated Patent Application 200+ s 100 Million CNY Registered Capital 8GWh Battery PACK annual capacity 40%+ Percentage of R&D staff 10GWh+ Service & Shipment (BMS+Systems) ● 01 02 ● GuoChuang Renewable Energy Technology Co.,LTD 【Guochuang（300520） Wholly-owned subsidiary】 Guochuang Software Co.,ltd (300520), referred to as \"GC New Energy\", with a registered capital of 100 million RMB. The company R&D and manufactures products which highly integrated intelligent hardware and software. We has strong technical advantages in intelligent battery management system, power source system, intelligent energy storage system, etc. The products are widely used in new energy vehicles and new energy storage fields, and it is committed to becoming a respected high-end manufacturing enterprise in the new energy industry Guochuang Renewable Energy Technology Co.,ltd is a wholly-owned subsidiary of . Centralized wind power人人Wind power intelligent operation system Virtual Power Station Centralized PV Energy storage C e l l 、 BMS、 BEMS、 EMS、Energy storage power station Intelligent operation and maintenance supervision platform RESS PV intelligent operation system Virtual power station operation system Controllable loads Power consumption mornitoring system Intelligent Operation and Maintenance Supervision Platform Microgrid Smart Microgrid System Virtual Power Station Virtual power plant digital intelligence management platform Virtual power plant operation system, data intelligence system Virtual power plant operation system Regional New Energy Centralized Control Regional new energy intelligent control platform Regional photovoltaic intelligent control platform Regional wind power intelligent control platform Group new energy centralized control Group-level New Energy Intelligent Control Platform + Group-level Big Data Intelligent Platform GuoChuang Software Co.,LTD Gro u p R e gin al Statio n Photovoltaics, wind power, energy storage, controllable loads, charging piles, microgrids PowerLine Communication Line Company Profile \/ About us Battery cell, BMS, BEMS, EMS, Energy storage station Virtual Power Station Operation System PV intelligent operation system . . . Distributed PV Industrial commercial energy storage Virtual Power StationN Charging Pile Grid . . . Seizing the new opportunities in the development of new energy vehicles and intelligent energy storage, KDGC gives full play to its software advantage and independently researches and develops a series of digitalized new energy products and technologies, such as BMS\/BEMS, PACK, intelligent energy storage system, optical storage and charging microgrid brain, storage power station monitoring and operation and management system, virtual power plant, etc., and obtains the market recognition. Forming the new digitalized energy products matrix,from the battery module-PACKbattery cluster-energy storage system-energy storage power station-Energy Storage Power Station Monitoring and Operation Maintenance Platform-Regional Monitoring Platform-Group New Energy Control Platform. KDGC has strong ability to build digital new energy products integrating hardware and software. Guo Chuang Blueprint of Digital Energy Business Scenario Originated from the University of Science and Technology of China (USTC), GuoChuang is a leading hi-tech listed company from China in data intelligence products and services . After more than 20 years of hard work the company has become a nationalteam in big data R& D and application, a leader in data intelligence and high trustworthysoftware, and a pioneer in smart grid + smart energy storage.

l Signing of the first 200MWh shared energy storage power station project; l Signing of the first 120MWh user-side energy storage project; l Expansion of the PACK line to an annual production capacity of 8GWh; l Second-generation BMSsecond-generation BEMSEMSPCS and other core components on line; l On line of the air- cooled\/liquid-cooled energy storage system based on the core components. l The second phase of the industrial park was put into operation; l The annual sales 202 revenue of Guo Chuang exceeded 10 billion by the end of the 14th Five-Year Plan. 3 l Successfully researched and developed power BMS, and determined the direction of new energy development with BMS as the core. l Three flexible PACK lines were put into operation; l Determined the layout of the energy storage industry “based on core components, to build professional integration”; l Accumulated shipment of 1 million sets of BMS. ·l Layout of energy storage business and formation of team; - l Accumulated shipment of 100,000 sets of BMS; l Commencement of construction of industrial park; l Completion of reorganization l The first DC cascad with Guo Chuang e energy storage system was created; - l Several demonstration projects of energy storage systems were successfully connected to the grid. l Identification of DC cascade energy storage as the main technology direction; l Commissioning of the first phase of the industrial park . Five-year Plan 2014 2020 2022 2018 2021 History l Company found ● 03 04 ● 2012

R&D Strength Create Professional Integration Based on Core Components GuoChuang has an energy storage R&D team of nearly 200 people including power electronics technology team, energy storage BMS technology team, energy storage EMS technology team, energy storage integration design team, etc. The company has formed a battery PACK, BMS, PCS, EMS product R&D capability and distributed and centralized energy storage system integration capability. The company has formed the R&D capability of battery PACK, BMS, PCS, EMS products and distributed and centralized energy storage system integration capability. The BEMS developed by the company can support active equalization of kilowatt level between battery packs, independent control of clusters, inhibition of circulating current between clusters, resolution of series-parallel mismatch, and support for mixing of old and new battery packs, thus enhancing the availability of power in the energy storage system, improving safety, and simplifying operation and maintenance. Local Energy Management System（EMS Battery Energy Management System（BEMS） ） Module Design Power Conversion System（PCS） Pack and Energy Storage System Integration Desig Battery Management System（BMS） n Utility model patent certificate 60+ Computer Softwriting Certificate69+ High-tech Enterprise Certificat Quality Management System Certificate Invention Patent Certificate15+ Product test report 科大国创 ● 05 06 ●

l Integration of tertiary BMS, energy management EMS and local HMI or Web; l Efficient energy management strategies to optimize energy allocation; l Local data safety analysis, proactive safety warning l Weak Grid Adaptation, Grid Construction for Grid l Security Efficient Vector Algorithms to Improve System Efficiency ● 07 08 ● Design Concept The energy storage system is definitely not a simple patchwork, but a l PACK level independent fir close integration of various componentsGuoChuang adopts the design conc ept of “building professional integration based on core components”, devotes itself to the refinement and deep integration of BMS, PCS and EMS, and adopts the innovative architecture based on BEMS, combined with specialized electrical, safety and thermal management integration design to form a high safety, high efficiency and easy to operate and maintain energy storage system. e protection, inter-cluster loop current suppression, faulty battery cluster on-line switching equalization between pack l Maximum 15A active s l Independent power control between clusters l Mixed use of old and new battery packs l Enhance the available capacity of the system and improve safety, l Simplify operation and maintenance l High-precision sampling calculation presents the real state of the system l Multi-dimensional composite protection enjoys the system security experience l Multi-level fault control escorts the stable operation of the product l Multi-programs converge to provide the optimal price options EMS BEMS Safety PCS BMS Thermal Manage- ment am l High-efficiency intelligent temperature control, multiple equalization measures, long service life.

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