Huawei Solar Inverter Solution

Transcription

1 HUAWEI TECHNOLOGIES CO., LTD. Huawei Energy, Powering the Future Huawei Solar Inverter Solution

2 Corporate Information Huawei is a leading global ICT solutions provider. Through our dedication to customer-centric innovation and strong partnerships, we have established end-to-end capabilities and strengths across the carrier networks, enterprise, consumer, and cloud computing fields. We are committed to creating maximum value for telecom carriers, enterprises and consumers by providing competitive ICT solutions and services. Our products and solutions have been deployed in over 140 countries, serving more than one third of the world's population. Huawei's vision is to enrich life through communication. By leveraging our experience and expertise in the ICT sector, we help bridge the digital divide by providing opportunities to enjoy broadband services, regardless of geographic location. Contributing to the sustainable development of society, the economy, and the environment, Huawei creates green solutions that enable customers to reduce power consumption, carbon emissions, and resource costs. Our Value Propositions Resonating with the revolutionary changes taking place in the information industry, Huawei continuously innovates to meet customer needs and advance our technology leadership; we openly cooperate with industry partners, focus on building future-proof Smart Information Pipes, and continuously create value for our customers and society at large. Based on these value propositions, Huawei is dedicated to enriching life and improving efficiency through a better connected world. In addition, we strive to be the first choice and best partner of telecom carriers and enterprise customers while also becoming a brand of choice among consumers. Milestones Founded in 1987, Huawei has grown from a USD 5,680 small company to a global company with a sales volume of over USD 20 billion with business presence in over 140 countries thanks to the tireless efforts of its staff and the company's global-mindedness.

3 Huawei Solar Inverter Research and Development In more than 20 years, Huawei has been providing communication equipments and stable power supplies for onethird of global population s communication service, and has accumulated rich experience of R&D and application in the ICT and network energy field. Now there are 9 R&D centers and 550 worldwide patents to Huawei Network Energy on energy and infrastructure field. Shenzhen Developing rapidly with Network Energy business together, Huawei Solar Inverter R&D team has more than 500 people including over 70% Masters, 10% Ph.D and 10% foreign experts. Adhering to the concept of high quality, perfect service, and quick response to customer s demand", based on the leading power and digital control technology platform, Huawei Solar Inverter constantly brings high quality products and services to the world. As one of the world's top 500 enterprises, we are actively promoting the use of clean solar energy by providing a full range of solar inverters and intelligent monitoring solutions. Nuremberg

4 Huawei Energy Powering the Future

5 Contents Always Available for Highest Yields Huawei Solar Inverter Family SUN2000 Series SUN8000 Series Smart Logger imanager NetEco Smart Management High Reliability Global Service

6 Always Available for Highest Yields Higher Yields Higher yields is the constant pursuit of Huawei Solar Inverter. With leading topology and control algorithm technology, Huawei inverters have achieved industry-leading efficiency, and SUN KTL Photon test result is A+/A+ at medium and high irradiation with normal silicon devices. Depend on overload capacity and good performance at low irradiation, as well as more flexible MPPT, Huawei inverters maximize the power yields. High Reliability With 20 years technology accumulation in telecom power, Huawei builds inverter product on the same platform. Huawei inverters have passed the strictest testing above industrial standard level, and approved by the global certification authorities, such as TUV. Smart Local graphic LCD screen, easy and comprehensive operation and maintenance. With Smart Logger and imanager NetEco 1000S, Huawei inverters realize remote management and grid management. Friendly Smaller footprint for space saving Easy to install and maintain with modular design SUN2000 noise emission 29dB, which is as quiet as the library environment 1

7 Huawei Solar Inverter Family SUN2000 8KTL/10KTL/12KTL 15KTL/17KTL/20KTL/23KTL 28KTL SUN8000 SUN KTL SUN IS imanager Smart Management System Smart Logger imanager NetEco 1000S 2

8 SUN2000 Series -8/10/12/15/17/20/23KTL The Solar Power Magazine International Huawei Technologies Sun KTL A % at high irradiation 3/ The Solar Power Magazine International Huawei Technologies Sun KTL A+ 98.0% for medium irradiation 3/ SUN2000-8KTL / 10KTL / 12KTL / 15KTL / 17KTL / 20KTL / 23KTL The maximum efficiency of SUN2000 is up to 98.6%. The performance is good at medium and high irradiation, which helps SUN KTL rank A+/A+ in Photon efficiency test. This series of products supports maximally 3 MPPT for versatile adaption to different module types or quantities built up with different alignments. Natural cooling technology makes SUN2000 more reliable, lower noise emission of 29 db and quiet for people. This series of products meets Germany BDEW MV directive and VDE AR N 4105 LV directive, CE Low Voltage Directive and the Directive for Electromagnetic Compatibility, Italy Enel-GUIDA and CEI 0-21 certification, as well as China Golden Sun certification. It has good environment adaptability and can be used for various scenarios covering from 8kW to Megawatts, either rooftop or ground mounted power plants. 3

9 Higher Yields SUN KTL Photon test result: A+/A+ at medium and high irradiation Maximum efficiency 98.6% European efficiency 98.3% High Reliability With 20 years technology accumulation in telecom power, the same platform building inverter product No need of external fan with natural cooling technology Type II DC and Type III AC surge protection devices integrated Warranty up to 25 years Smart Maximum of 3 MPPT for versatile adaption to different module types or quantities built up with different alignments Up to 6 strings intelligent monitoring and fault detection Local graphic LCD and remote monitoring RS 485 and USB ports for connectivity and data management Friendly 3 48kg@23KW, compact design of 0.08m Easy connection with external waterproof DC / AC and signal terminals Noise 29dB Outdoor application of IP65 Efficiency Curve Circuit Diagram Input EMI MPPT circuit % 99.0% 98.0% Input current DC Switch check circuit Filter MPPT circuit 2 DC-AC converter Out EMI Filter Output isolation relay L1 L2 L3 N PE 97.0% DC SPD LC filter AC SPD Efficiency 96.0% 95.0% 94.0% 93.0% Vin=400V97.6% EU97.3% % Vin=620V98.6% EU98.3% Vmpp 91.0% Vin=800V98.3% EU98.0% 90.0% 0% 20% 40% 60% 80% 100% Eu Eff SUN2000 8KTL/10KTL/12KTL MPPT circuit 1 Input EMI Filter MPPT circuit 2 DC-AC converter Out EMI Filter Output isolation relay L1 L2 L3 N PE Loads MPPT circuit 3 LC filter AC SPD Input current DC check circuit Switch DC SPD SUN KTL/17KTL/20KTL/23KTL 4

10 Technical Specifications Technical Specifications SUN2000-8KTL SUN KTL SUN KTL SUN KTL SUN KTL SUN KTL SUN KTL Efficiency Max. efficiency 98.5% 98.5% 98.5% 98.6% 98.6% 98.6% 98.6% European efficiency 98% 98% 98% 98.3% 98.3% 98.3% 98.3% Max. DC input (cosφ=1) 9,100 W 11,400 W 13,700 W 17,100 W 19,200 W 22,500 W 23,600 W Max. input voltage 1000 V 1000 V 1000 V 1000 V 1000 V 1000 V 1000 V Max. input current per MPPT 18 A 18 A 18 A 18 A 18 A 18 A 18 A Min. operating voltage 200 V 200 V 200 V 200 V 200 V 200 V 200 V Input MPP voltage range 320 V~800 V 320 V~800 V 380 V~800 V 400 V~800 V 400 V~800 V 480 V~800 V 480 V~800 V Rated input voltage 620 V 620 V 620 V 620 V 620 V 620 V 620 V Max. number of inputs Number of MPP trackers Output AC output power (cosφ=1) 8,800 W 11,000 W 13,200 W 16,500 W 18,700 W 22,000 W 23,000 W Rated output voltage 3 230V/400V+N+PE 3 220V/380V+N+PE 3 230V/400V+N+PE 3 220V/380V+N+PE 3 230V/400V+N+PE 3 220V/380V+N+PE 3 230V/400V+N+PE 3 220V/380V+N+PE 3 230V/400V+N+PE 3 220V/380V+N+PE 3 230V/400V+N+PE 3 220V/380V+N+PE 3 230V/400V+N+PE 3 220V/380V+N+PE AC power frequency 50 Hz/60 Hz 50 Hz/60 Hz 50 Hz/60 Hz 50 Hz/60 Hz 50 Hz/60 Hz 50 Hz/60 Hz 50 Hz/60 Hz Max. output current 12.8 A 16 A 19.2 A 24 A 27.2 A 32 A 33.5 A Adjustable power factor 0.8 leading lagging 0.8 leading lagging 0.8 leading lagging 0.8 leading lagging 0.8 leading lagging 0.8 leading lagging 0.8 leading lagging Max. total harmonic distortion <3% <3% <3% <3% <3% <3% <3% Protection Input-side disconnection device Yes Yes Yes Yes Yes Yes Yes Anti-Islanding protection Yes Yes Yes Yes Yes Yes Yes AC over current protection Yes Yes Yes Yes Yes Yes Yes DC reverse-polarity protection Yes Yes Yes Yes Yes Yes Yes PV array string fault monitoring Yes Yes Yes Yes Yes Yes Yes DC surge arresters Type II Type II Type II Type II Type II Type II Type II AC surge arresters Type III Type III Type III Type III Type III Type III Type III Insulation monitoring Yes Yes Yes Yes Yes Yes Yes Residual current detection Yes Yes Yes Yes Yes Yes Yes Display and Communication Display Graphic LCD Graphic LCD Graphic LCD Graphic LCD Graphic LCD Graphic LCD Graphic LCD RS485 Yes Yes Yes Yes Yes Yes Yes USB Yes Yes Yes Yes Yes Yes Yes General Data Dimensions(W/H/D) 520x610x255 mm (20.5 x 24.0 x 10.0 in.) 520x610x255 mm (20.5 x 24.0 x 10.0 in.) 520x610x255 mm (20.5 x 24.0 x 10.0 in.) 520x610x255 mm (20.5 x 24.0 x 10.0 in.) 520x610x255 mm (20.5 x 24.0 x 10.0 in.) 520x610x255 mm (20.5 x 24.0 x 10.0 in.) Weight 40 kg 40 kg 40 kg 48 kg 48 kg 48 kg 48 kg Operating temperature range -25 C to +60 C (-13 F to +140 F) -25 C to +60 C (-13 F to +140 F) -25 C to +60 C (-13 F to +140 F) -25 C to +60 C (-13 F to +140 F) -25 C to +60 C (-13 F to +140 F) -25 C to +60 C (-13 F to +140 F) 520x610x255 mm (20.5 x 24.0 x 10.0 in.) -25 C to +60 C (-13 F to +140 F) Cooling Natural convection Natural convection Natural convection Natural convection Natural convection Natural convection Natural convection Operating altitude 3000 m 3000 m 3000 m 3000 m 3000 m 3000 m 3000 m Relative humidity (non-condensing) 0~100% 0~100% 0~100% 0~100% 0~100% 0~100% 0~100% DC connector Amphenol H4 Amphenol H4 Amphenol H4 Amphenol H4 Amphenol H4 Amphenol H4 Amphenol H4 AC connector Amphenol C16/3 Amphenol C16/3 Amphenol C16/3 Amphenol C16/3 Amphenol C16/3 Amphenol C16/3 Amphenol C16/3 Degree of protection IP65 IP65 IP65 IP65 IP65 IP65 IP65 Self-consumption at night < 1 W < 1 W < 1 W < 1 W < 1 W < 1 W < 1 W Topology Transformerless Transformerless Transformerless Transformerless Transformerless Transformerless Transformerless Noise emission 29dB 29dB 29dB 29dB 29dB 29dB 29dB Warranty Safety/EMC Grid code 5 years 10/15/20/25 years optional 5 years 10/15/20/25 years optional 5 years 10/15/20/25 years optional 5 years 10/15/20/25 years optional 5 years 10/15/20/25 years optional 5 years 10/15/20/25 years optional 5 years 10/15/20/25 years optional Standards Compliance EN , EN , EN , EN , EN , EN , EN/IEC , EN/IEC VDE-AR-N4105, VDE , BDEW 2008, Enel-Guideline, CEI 0-21, G59/2, G83/1-1, AS4777, CGC/GF004: 2011, IEC61727, IEC62116, RD1669 5

11 4MW PV Plant in Songsan Lake, Dongguan, China 100kW Commercial PV Plant in Siegen, Germany 6

12 SUN2000 Series -28KTL SUN KTL The maximum efficiency of SUN KTL is up to 98.7% with T type three level topology. It supports 3 MPPT for versatile adaption to different module types or quantities built up with different alignments. It adopts natural cooling technology without external fan to increase reliability and save maintenance. The output voltage is 480V, which reduces AC cable power loss up to 30%. SUN KTL string inverter is the best solution for large scale PV plant. SUN KTL meets Germany BDEW MV directive and VDE directive, CE Low Voltage Directive and the Directive for Electromagnetic Compatibility, as well as China Golden Sun certification. It has good environment adaptability especially for the large scale medium voltage PV plant with IP65 and fanless design. 7

13 Higher Yields Maximum efficiency 98.7% European efficiency 98.4% Reduce 30% AC cable loss with higher output voltage of 480V Saving AC cable investment up to 20% without N-Line High Reliability With 20 years technology accumulation in telecom power, the same platform building inverter product No need of external fan with natural cooling technology Type II DC and Type III AC surge protection devices integrated Warranty up to 25 years Smart Maximum of 3 MPPT for versatile adaption to different module types or quantities built up with different alignments Up to 6 strings intelligent monitoring and fault detection Local graphic LCD and remote monitoring RS 485 and USB ports for connectivity and data management Friendly 3 48kg@27.5kW, compact design of 0.08m Easy connection with external waterproof DC / AC and signal terminals Noise 29dB Outdoor application of IP65 Efficiency Curve Circuit Diagram 100.0% 99.0% Efficiency 98.0% 97.0% 96.0% 95.0% 94.0% 93.0% Vin=560V98.1% EU97.8% % Vin=720V98.7% EU98.4% Vmpp 91.0% Vin=800V98.5% EU98.3% 90.0% 0% 20% 40% 60% 80% 100% Eu Eff Loads Input current DC check circuit Switch DC SPD Input EMI Filter MPPT circuit 1 MPPT circuit 2 DC-AC converter MPPT circuit 3 SUN KTL Out EMI Filter Output isolation relay LC filter L1 L2 L3 PE AC SPD 8

14 Technical Specifications Technical Specifications Efficiency SUN KTL Protection Max. efficiency 98.7% European efficiency 98.4% Input Input-side disconnection device Anti-Islanding protection AC over current protection Yes Yes Yes Max. DC input (cosφ=1) 28,200 W Max. input voltage 1000 V Max. input current 18 A Min. operating voltage 200 V MPP voltage range 480 V~800 V Rated input voltage 620 V Max. number of inputs 6 Number of MPP trackers 3 Output Rated power 27,500 W Rated output voltage V/480 V+PE AC power frequency 50 Hz/60 Hz Max. output current 33.5 A Adjustable power factor 0.8 leading lagging Max. total harmonic distortion <3% Display and Communication DC reverse-polarity protection PV-array string fault monitoring DC surge arresters AC surge arresters Insulation monitoring Residual current detection Dimensions(W/H/D) Weight Operating temperature range Cooling Operating altitude Yes Yes Type II Type III Yes Yes General Data 520x610x255 mm (20.5 x 24.0 x 10.0 in.) 48 kg -25ºC to +60ºC (-13ºF to +140ºF) Natural convection 3000 m Relative humidity (non-condensing) 0~100% DC connector Amphenol H4 AC connector Amphenol C16/3 Degree of protection Self-consumption at night IP65 < 1 W Display Graphic LCD Topology Transformerless RS485 Yes Noise emission 29dB USB Yes Warranty 5 years (10/15/20/25 years optional) Standards Compliance Safety/EMC EN , EN , EN , EN , EN , EN , EN/IEC , EN/IEC Grid code VDE , BDEW 2008, CGC/GF004:

15 2,129 kwp PV Plant in Hoyerswerda, Germany 9MW PV Plant in Golmud, Western China 10

16 SUN8000 Series -500KTL SUN KTL SUN8000 has leading efficiency up to 98.7% with T type three level topology. The reliability is improved significantly with modular design and intelligent dormancy that also optimizes efficiency at low irradiation. This product series supports two-winding transformer for grid-connection with common-mode current rejection algorithm, which helps to save 5~10% of the transformer investment. SUN8000 is an advanced solution for large-scale PV plant application. This product series meets Germany BDEW MV directive, CEI 0-16 and China Golden Sun certification, fulfills the requirements of LVRT and ZVRT. It has passed the strictest verification tests which ensures SUN8000 s good environment adaptability for applications in the area of high altitude, hot or cold environment. 11

17 Higher Yields Maximum efficiency 98.7%, European efficiency 98.5% Dynamic system efficiency optimization with intelligent dormancy technology Additional harvesting with 20% overload capacity 5~10% saving of medium voltage transformer investment with two-winding transformer instead of double-split transformer Smart Comprehensive local management of system configuration and maintenance with LCD touch screen 0~100% active power continuously adjustable and reactivepower compensation for grid management RS485 and USB ports for data transferring and firmware update (Security protection mechanism support) High Reliability With 20 years technology accumulation in telecom power, the same platform building inverter product No interruption at single point failure with modular power stack design Grid and self-generating switchable design, 1+1 redundancy of system power supply Redundancy design of key circuits including grid voltage and current sampling to improve accuracy and reliability Friendly Good grid adaptability with LVRT and anti-islanding protection High power density, smaller for space saving Easy installation and maintenance with modular design Optional functions of warming and dehumidification, continuous max. power output at the temperature of -30ºC ~ +55ºC 100.0% SUN KTL Efficiency Curve Efficiency 99.0% 98.0% 97.0% 96.0% 95.0% 94.0% 93.0% 92.0% Vin=620V98.4% EU98.3% Vin=500V98.7% EU98.5% Vin=800V98.3% EU98.0% 91.0% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Loads Circuit Diagram DC + - EMC filter DC DC Hall disconnection sensor switch Branch Protection Module DC SPD Ground Tie copper bar fault detection module DC + - EMC filter DC DC Hall disconnection sensor switch Branch Protection Module DC SPD DC-AC converter DC-AC converter AC EMC filter AC Hall sensor LC filter circuit AC EMC filter AC Hall sensor LC filter circuit AC circuit AC breaker contactor AC circuit AC breaker contactor AC EMC filter AC SPD R S T AC disconnection switch SUN KTL 12

18 Technical Specifications Product Type Efficiency Max. efficiency 98.7% European efficiency 98.5% Input Display RS485 USB SUN KTL Display and Communication Touch screen LCD Standard Standard Max. input voltage 1000 V Ethernet Optional Rated input current Min. operating voltage 1000 A 475 V Dimensions (W H D) General Data mm ( in.) MPP voltage range 500 V~850 V Weight 1300 kg Max. number of inputs 8 Operating temperature range -30 C ~ +55 C (-22 F to +131 F) Number of MPP trackers 1~2 (Optional) Cooling Adaptive forced-air cooling Rated power Max. AC output power Rated output voltage AC power frequency Rated output current Max. output current Output 500 kw/500 kva 600 kw/600 kva 3-phase, 320 V 50 Hz/60 Hz 900 A 1080 A Operating altitude 6000 m (Derating above 3000 m) Relative humidity(non-condensing) 0~95% Degree of protection Topology Input-side disconnection device Output-side disconnection protection IP20 Protection Transformerless Yes Yes Power factor 0.8 overexcited 0.8 underexcited DC / AC over current protection DC surge arresters Yes Type II Max. total harmonic distortion <3% AC surge arresters Insulation monitoring Residual current detection Standards Compliance Type II Yes Yes Safety/EMC EN , EN , EN/IEC , EN/IEC Grid code CGC/GF004:2011, Q/GDW

19 4MW PV Plant in Songsan Lake, Dongguan, China 150MW PV Plant in Western of China 14

20 SUN IS MW PV Power Station SUN IS SUN IS MW container is an advanced solution for large-scale and commercial PV plant. The highly Integrated design of a standard 20ft outdoor container involves 2 SUN KTL central inverters, DC power distribution, monitoring system, and security and container system power. The optimized cable layout & easy deployment design helps to reduce system power loss and total system investment. In a word, SUN IS MW container helps operator achieve higher yields, and better ROI. SUN IS achieves an excellent anti-dust performance with IP54 protection level. With high density air inlet filter, aluminum outlet shutters and highly durable coating, it is reliable in salty environment. Moreover, it also has all the Always Available for Highest Yields features of SUN KTL, can work stably in high altitude area, and extremely hot or cold area. 15

21 Higher Yields All-in-one solution for easy deployment Maximum yields obtained with all higher yields features of two SUN KTL combined into 1MW standard unit Integration of inverter and power distribution helps reduce system power loss Separated inverter and cabinet precise cooling helps reduce cooling power loss Smart Saves maintenance costs with comprehensive one-site monitoring of combiner-box, power distribution and inverter Smart synchronized control of container cabinet fans and inverter fans to improve the heat dissipation and antidust features Installation space reserved for system communication cabinet High Reliability Globally HUAWEI s Container Data Center Facility is being widely used, Inverter container solution has been built on the same platform IP54 class protection with high density air inlet filter and aluminum outlet shutters helps in improving anti-dust and waterproof function Extremely reliable in salty environment with highly durable coating Friendly Encompasses all grid management functions Easy to clean and replace air inlet filter Optional functions of warming and dehumidification, continuous max. power output at the temperature of -30ºC ~ +55ºC 20% saving of medium voltage transformer investment realized with use of two-winding transformer instead of double-split transformer SUN IS Diagram DC PDF SUN KTL DC PDF SUN KTL Two-winding transformer Grid 16

22 Technical Specifications Specifications DC Input Max. input voltage 1000 V Rated input current 2000 A Operating voltage range 475 V~900 V MPP voltage range 500 V~850 V Recommended input numbers 16 Number of MPP trackers 2 (4 optional) Output Rated power 1000 kw/1000 kva Max. AC output power 1200 kw/1200 kva Rated output voltage 3-phase, 320 V AC power frequency 50 Hz/60 Hz Rated output current 1800 A Max. output current 2160 A Power factor 0.8 overexcited 0.8 underexcited Max. total harmonic distortion < 3% Installation Installation Floor Cabling Bottom SUN IS Display and communication Display Touch screen LCD RS485 Standard USB Standard Ethernet Optional General Data Dimensions (W H D) mm Weight 6500 kg Operating temperature range -30 C ~ +55 C Cooling Adaptive forced air cooling Operating altitude 6000 m (Derating above 3000 m) Relative humidity (non-condensing) 0 ~ 95% Degree of protection IP54 Protection Input-side disconnection device Yes Output-side disconnection protection Yes DC / AC over current protection Yes DC surge arresters Type II AC surge arresters Type II Insulation monitoring Yes Configuration Item Container SUN KTL Solar Inverter 500kW DC PDF AC power distribution box Cooling system Light Emergency light Smoke sensor Door sensor Container cabinet fan Fire extinguishers Container cabinet power transformer Audible and visual alarm Quantity 1 PCS 2 PCS 2 PCS 1 PCS 1 Set 6 PCS 1 PCS 1 PCS 2 PCS 2 PCS 1 Set 1 PCS (Optional) 1 Set (Optional) 17

23 China Southern Power Grid 3MW PV Plant in Sanshui Industrial Park SUN8000 Container Manufacture Room 18

24 Smart Logger Smart Logger Stable Max. reliable communication range of 1000 m 10 years data storage with external SD card Smart 3.5 inch. LCD screen Web embedded Grid management integrated Simple Up to 60 equipments accessible Easy to install with wall, tabletop and rail mounting USB port for data (Security protection mechanism support) Huawei Smart Logger is the data communication center of photovoltaic power system, which can monitor the operating status of up to 60 photovoltaic power system equipments, and accomplish the tasks of data acquisition, data storage, centralized monitor and maintenance. 19

25 Technical Specifications Smart Logger Device Management Max. number of devices 60 Communication interface Max. Communication range 3 x RS m Display LCD LED Web 3.5 inch. graphic LCD 3 LEDs Embedded Web General Data Power supply 100 V~240 VAC, 50 Hz/60 Hz Power consumption Typ.3 W, max.7 W Memory Language Dimensions(W/H/D) Operating temperature range 32 MB flash memory, expanded to 16 GB with optional SD card English, Chinese, German, Italian, Spaish, French 225 mm x 140 mm x 50 mm (8.9 in. x 5.5 in. x 2.0 in.) -20ºC to +60ºC (-4ºF to +140ºF) Relative humidity (non-condensing) 5-95% Degree of protection Installation options IP20 Wall mounting, Tabletop device, Rail mounting Interface Ethernet RS485 USB 10 / 100 M, Modbus - TCP Modbus - RTU Yes Number of digital inputs 4 Number of analog inputs 2 Number of Relays 3 20

26 imanager NetEco Smart Management imanager NetEco 1000S Stable Hierarchical management Up to 25 years data storage with CSV file Simple Accessing to internet anytime and anywhere Fault alarm with SMS and User-Friendly APP supported Energy flow displaying Chart data and information presentation The system manager and other authorized users can login the imanager NetEco 1000S monitoring system, collect the operating data and alarm information anytime and make remote management. The imanager NetEco 1000S is secured by multi-level access control set by the system manager. 21

27 imanager Structure IE NetEco 1000S , EMS Alarm Grid management center Network SUN2000 SUN8000 Smart Logger Smart Logger RS48S/232 TCP/IP SUN2000 SUN8000 Environment monitor SUN2000 SUN8000 Environment monitor 22

28 High Reliability The Strictest Reliability Test Exceeding Industry Level HALT HTOL THB Thermal Shock High Temp. & Rain Test Open Field Exposure Accelerated lifespan testing to find the shortage of design -60ºC to 110ºC Connect to grid in 50ºC with full loading 1000 hours Max. Temp 85ºC Humidity 85%- 90% 1000 hours -30ºC to 55ºC Full loading 5 cycles, 150m/ cycle IP65 testing with high temp. and raining 85ºC Open field exposure in High temperature, humidity and salt spray 5 cycles 23

29 Rocket Triggered Lightning Tested in Conghua City, Guangdong Province, China A rocket was lunched into the cloud to trigger lightning, to test SUN2000 lightning protection Test result: SUN2000 worked stably under maximum of 38 ka natural lightning surge current 24

30 Global Service GNOC Russia West Europe Germany North America U.S.A. North Latin America Mexico South Latin America Netherland Poland Nigeria Romania Central Asia Turkey Paksitan North Africa Middle East Bahrain India Egypt Saudi West Africa South East Africa Kenya China Shenzhen GNOC, MSCC and R&D Center Southeast Asia Thailand South Pacific Malaysia Brazil ODC, GNOC and MSCC GNOC MSCC R&D Center 15 MS Regional Centers Global Customization Centers Huawei has professional inverter service engineers all over the world and provides local technical support with rapid response speed. Huawei provides customized services that include: 7*24 remote support Software support Active prevention Hardware support Onsite support Others 25

31 Huawei Network Energy Global R&D Team Stockholm Research on Power Topology Nürnberg Inverter product development center Xi an UPS and DC Product Development Chengdu Shenzhen Full-series Energy Product R&D Beijing Nanjing Shanghai Inverter product development center Wuhan 9 R&D Center 550 Patents R&D Engineers, 100+ Ph.D, 60%+ Master Degree 10% of sales revenue is invested in R&D Comprehensive reliability activities in the whole process are essential for the stable operation of millions of Huawei power systems in various severe conditions Reliability design Stress test EMC Safety Reliability verification Manufacturing reliability assurance Aging test Sampling test of thermal shock Thermal simulation Environment Enhanced conformal coating 26

32 Copyright Huawei Technologies Co., Ltd All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. Trademark Notice, HUAWEI, and are trademarks or registered trademarks of Huawei Technologies Co., Ltd. Other trademarks, product, service and company names mentioned are the property of their respective owners. General Disclaimer The information in this document may contain predictive statements including, without limitation, statements regarding the future financial and operating results, future product portfolio, new technology, etc. There are a number of factors that could cause actual results and developments to differ materially from those expressed or implied in the predictive statements. Therefore, such information is provided for reference purpose only and constitutes neither an offer nor an acceptance. Huawei may change the information at any time without notice. HUAWEI TECHNOLOGIES CO., LTD. Huawei Industrial Base Bantian Longgang Shenzhen , P.R. China Tel: Version No.: M C-4.0