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All information contained in this brochure is subject to change at any time. RENergy assumes no liability for any errors or omissions in the content of this brochure, nor does RENergy give any guarantees under it. Any scope of services and supply of products shall be determined exclusively by a formal agreement.

Renewable Energy EfficiencyManagement Experts

REsmart+

0201 0201

Strongly as RENergy can do, smart as it can be

This will be a revolution of energy internet and new energy efficiency management

Good at Control Great at Increments

RENergy • REsmart

Company ProfileRENergy Electric Tianjin Ltd. is a global leading control system solution provider. With the development of energy internet, RENergy has developed the “REsmart+” system to provide the customers in the field of wind power, PV and micro-gridwith professional andfull lifecycle energy efficiency management solutions.

RENergy provides customized “REsmart + wind power”, “REsmart + PV” and “REsmart+micro-grid” solutions with full lifecycle energy efficiency management.

For wind power control systems, RENergy participates in the turbine initial design at customers’ side from the front-end, providing optimal control solution and smart WTG solutions with independent intellectual property rights. We help our customers promote the efficiency and reliability during the lifetime of the WTGs by providing intelligent diagnosis and self-adaptation function to the WTG base on the big data technology. In additional, RENergy provides customized control solutions and full lifecycle energy efficiency management solution for the main control systems, pitch control system and converter. Customer satisfaction is always priority, which has been implemented by our professional technical team and perfect service system. RENergy owns 8 regional service centers in China, and more than18,000+ sets of products are running in more than 260wind farms around the world.

With the mature technology in the field of wind power, RENergy is upgrading its’ business to mainly focus on customized design of “REsmart+” energy efficiency management scheme, new products R&D, as well asO&M services for the micro-grid and distributed PV power station. Currently, the customized “REsmart + micro-grid” design scheme, which has launched independently by RENergy, has been applied to the National 863 Intelligent Micro-grid Demonstration Project, representing are producible and successful mode of the micro-gridproject.

RENergy believes high quality renewable energy and high-quality industrial equipment will change the world. We will continuously create value for our customers with more intelligent technology and reliable products. RENergy aims to be a national brand of the industry of electric system in the field of renewable resources and power electronics, to be a market leader and a respectable world-class company and finally to help people realize the dream of using clean energy more conveniently.

8 Offices Covering 190 Wind Farmslocated 16,000 Sets

0403

RENergy • REsmart

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GL EMCLVRT ZVRT ISLANDET RT

RENergy • REsmart

Milestone2008RENergy Electric Tianjin Ltd. was established by a team of professionals with more than 10 years of control system development experiencesREcon-1500(main control system for the 1.5MW doubly-fed WTG) was launched successfully with complete independent intellectual property rights with mass production

2009Recognized as a National High-Tech EnterpriseREverter-1500D,REpitch-1500 (converter and pitch system for 1.5MW doubly-fed WTG) was launched successfully with complete independent intellectual property rights with mass productionPromoted more sustainable development in China, and obtained the support of the “New Ventures China Program” from the World Resources Institute, as well as the outstanding achievement honor

2010The world’s first high altitude wind farm with elevation over 3500m --- Yunnan Ma’anshan Wind Farm was successfully grid-connectedElectric control systems for 2MW doubly-fed WTGs was independently and successfully developedElectric control systems for 1.5MW、2MW doubly-fed WTGs passed wind farm LVRT testing

2011Electric control systems for 2MW doubly-fed WTGs was applied in bulkREverter-2000D won the “National Key New product” prize

2012Electric control systems for 1.5MW doubly-fed WTGs was applied in the first distribution and generation project in China - Shaanxi Lang’ergou Wind FarmElectric control systems for 1.5MW doubly-fed WTGs passed the CE certification500kW PV inverter was independently and successfully developedElectric control systems for 3MW doubly-fed WTGs was independently and successfully developed

2013The company undertook the national 863 micro-grid demonstration project; and independently developed a high-speed communication protocolElectric control systems for 3MW direct-drive WTGs was independently and successfully developed, creating the most compact converter in China, by volumeThe 5.5kW electric motor was successfully developed and applied in bulkA PV monitoring solution was successfully installed at the Yunnan PV power plant

2014The world’s leading and most advanced WTG control strategy based on nonlinear intelligent control was independently and successfully developed. It was able to increase generating capacity by 7%Electric control system for 2MW direct-drive WTG was applied to the permanent magnet direct-drive generator in bulk10,000 sets of products had been appliedThe postdoctoral research workstation was approved

2015Electric control systems for 1.5MW doubly-fed WTGs was applied at a 50 degree ultrahigh temperature wind farm in IndiaThe REsmart+ unattended intelligent wind farm scheme was independently and successfully developed. It was able to realize a set management and provide early fault warnings over the entire life cycle of productsREcon-2000Dwas customized and designed for a customer which obtained GL design authentication

2016Electric control system for 2MW direct-drive WTG was applied to an electro-magnetic direct-drive generator in bulkKey components for the electric control system were launched successfully with complete independent intellectual property rights with mass production. This was able to save costs for customers while still ensuring reliability of the product.REcon-2000was exported to an European WTG manufacturer

0807

■ Generator performance simulation■ Load management■ Reliability assurance

REsmart+WTG

■ Main control system■ Converter■ Pitch system

REsmart+Electric Control

■ Control system technology reform■ Wind farm monitoring■ Grid connection optimization

REsmart+Operation &Maintenance

■ Big data platform■ Remote diagnosis■ Early fault warning■ Energy efficiency management

REsmart+unattended intelligent wind farm

REsmart+wind power

Based on wind farm energy efficiency management, and proceeding from WTG design through the design of reliable and efficient programs over the entire lifetime, “REsmart+wind power” smart wind farm solutions from RENergy reduce energy loss and help customers realize optimized productivity and higher incomes.

The Overall “REsmart+Wind Power” Program

REsmart + Electric Control“REsmart+electric control”based on the technology of accumulation of intelligent control system, according to customer needs, involvement in the machine simulation modeling, load calculation and other links,independent research and development productsthat adapt to China's climate environment and power grid environment, which meet customers comprehensive requirement of economy, reliability and convenience.

REsmart+Operation &MaintenanceThe “REsmart+operation &maintenance” solution from RENergy Electric improves electric-power output and the overall reliability of WTG. Through technology updates and control strategy optimization, it allows wind farmsto meet the latest operational requirements of electric systems; meanwhile, our match optimal spare parts program allows the customer to save operation and maintenance costs.■ OptimizesWTG components, and reduces self-consuption; ■ Optimizessegment by segmentcontroland uses a distinctive damping technique; ■ Wind farmdispatching and electric power system optimization; ■ Establishes a stable spare parts supply chain, and changes wind power operation maintenance to capital management;■ Spare parts preparation considers the properties and electric-power output of the wind turbine and provides“alternative solutions” for reconditioning in accordance with the operational condition of the complete unit; ■ Creates a complete and unified system, including the components and parts service system, quality management system, as well as operation maintenance personnel qualification,authentication and training.

“REsmart+”Whole Life Cycle Energy Efficiency Management Solution

Wind Farm Modification

■ Remodification of low voltage ride through ■ Adaptability and remodification of the wind turbine generator■ Optimization and remodification of power ■ Spare parts support

Optimization of Main control system

■ Optimization of the control strategy ■ Replacement of the main control system ■ Remodification of low voltage ride through■ Software upgrading (power management, active and reactive power control, communication with SCADA system of wind power station)

Converter Modification

■ Remodification of low voltage ride through (complete transformation, replacing control elements)■ Localization of special program ■ Complete replacement

Pitch System Upgrades

■ Completely replaces the control cabinet (electric motor is able to be saved)■ Adds the overspeed protection module ■ Remodification of the spare power supply

SCADA Increment

■ Adds the SCADA system to unequipped wind farms ■ Gathers different wind power stations' SCADA systems into one display surface■ Combines wind turbine generators from different companies into one wind power station's SCADA system

+230,000Yuan +7%One of the wind farms in Liaoning was able to increase income by RMB 230,000 Yuan + each year after reducing self-consuption

one of the wind farms in Yunnan increased electricpower output by 7% after reducing self consumptionand adjusting its control strategy

RENergy • REsmart

High efficiency:■ The complete product can be trubleshooted at the same time with reduced downtime for troubleshooting;■ Information interaction occurs succinctly between integrally designed components, which makes the start-up and shutdown time is shorter;■ It uniformly arranges control strategy verification and optimization, and reduces compliance evaluation time;■ It also features fast gust response, high computational accuracy, less loss, strong overload capacity, and high generation efficiency over the turbine and helps customers to increase income.

Economical efficiency:■ Customization comes in a full set of electric control products and the general design manages to save costs;■ Simplifies the complexity involved with training to maintenance personnel and decreases the number of spare part numbers required toeffectivelymanage to safe operation &maintenance costs;■ System linkage and remote update features save time and improve maintenance efficiency.

Reliability:■ The focus has been placed onthe whole to provide an optimal solution and to avoid unilateral considerationsfor single products;■ Strong and integrated development, stable system operations and integral grounding and lightning protection provide ideal optimization;■ Abundant operation achievements have been made on several models, such as the doubly-fed generator, permanent-magnet direct-drive generator, and electro-magnetic direct-drive generator.

Convenience:■ A more compact structure occupies smaller internal space within the complete unit. This promotes a more convenient installation and layout;■ The seamless connector and the custom-designed communication mode providing several kinds of communication interface programs;■ The standardized and user-friendly operation interface realizes rapid and skilled operations.

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REsmart + PV

The "REsmart+PV" solution can be customized to meet the customer demands，including the PV inverter system, MPPT system, intelligent confluence and monitoring system, energy storage system, and SCADA system. In addition to energy efficiency improvement based on core technologies utilization, and the solution provides customers with value-added services for the overall operation, as well as upgrading and diagnosis maintenance at the PV power plant.■ Multi-peak knee point effect with the MPPT control strategy uses variable-step power forecasting technology to achieve MPPT and ensure efficient dynamics and a static MPPT effect;■ The control strategy for unbalanced grid voltage will uniformly analyze the current control loop during different failure periods; it adopts control measures to ensure system stability; ■ The Special grid voltage oriented vector control strategy improves on-grid power quality;■ Reactive compensation LVRT capacity;■ PV generation intelligent monitoring. The monitoring network has been constructed based on a single component and it can obtain all assembly performance indexes.

REsmart+Unattended Intelligent Wind FarmThe “REsmart+unattended intelligent wind farm' solution includes wind farm remote monitoring and failure analysis system. It also

includesthe remote maintenance system, asset management system and energy efficiency management system，providing whole

process integrated services from research to on-site operation as well. It also realizes remote diagnosis, early fault warning and energy

efficiency management based on the big data platform forefficient wind farm energy management and helps customers increase profits.■ Advanced expert diagnosis technology for components health status,intelligent diagnosis for non-intelligent components;■ WTG self-learning and self-adaptive control strategy enhances energy efficiency;■ Automatically generates the pre-maintenance program and material demand program for both the WTGs and wind farmbased on largedata;■ Connects with the enterprise's information system to realize after-sales serviceinformatization, spare parts distribution optimization

and product lifecycle management (PLM).

Storage Battery Local Electricity Load

Solar Modules

Distribution Cabinet

Grid

PV Inverter

RENergy • REsmart

Accurate phase synchronism; the power factor is higher than 0.99

Accurate damping control algorithm, the efficiency of the inverter reaches

The total harmonic distortion (THD) of the on-grid current is less than 1.5%, which is much lower than the Chinese national standard

10% power and above 98.7% 1.5%v

Wind FarmSCADA

APP

Comprehensive Diagnosis Platform (Cloud Service, Big Data,

Expert Diagnosis)

SCADA

APPWind Farm

Level Optimized Decision

Remote Online Expert DiagnosisPAD

RemoteMaintenance

Private Database

Enterprise ERPDiagnosis Result

Spare Parts Demands

Main Control PLC

Front End Processor

3G/GPRS

Fiber Optic Network

Fiber Optic Network

Fiber Optic Network

Fiber Optic Network

REsmart+Micro-grid “3+2 Turn-key Project■ Meets customer demands for more flexible application of energy ■ Realizes electric power balance within the micro-grid■ Promotes smooth and seamless switching between grid connection and disconnection ■ Improves power supply and consumption quality and reduces power consumption cost■ Provides clean and stable electric power for islands and remote areas without electricity and power sub stations ■ Improve send-use energy efficiency

■ Demand analysis: make the demand analysis of resource development for the customers' demand;■ Plan and design: Plan, design and calculation of coupling and reliability about operational optimization according to the project area;■ System integration: Provide highly matched photovoltaic and wind power product for the project. And match the systems comprehensively to get the best cost performance from the whole solution.

■ Project construction: selects the optimal construction program to improve safety and construction timeframes;■ Debugging and acceptance: carries out operation and on-grid debugging for the project, and provides smooth operation guarantees.

Micro-grid Communication Management Unit

Quick Switch Cabinet

Micro-grid monitoring workstation

Central Controller

Micro-grid Intelligent Distribution Box

PV On-grid Inverter

Wind Turbine On-grid Inverter

Micro-gridStabilizing Controller

Micro-grid Stabilizing Controller

Micro-grid Stabilizing Controller

JunctionBox

JunctionBox

PV Module Wind Turbines Energy Storage Stored Energy Stored Energy Client

Big Grid

Transformer

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RENergy • REsmart

REsmart + Micro-grid

The "REsmart+micro-grid" solution provides customers with complete turn-key project services, ranging from load side data acquisition,

multi-energy program design, grid side operation optimization, and energy efficiency management based on big data. This solution

realizes integrated planning and optimizes comprehensive energy efficiency and higher customer benefits. It also provides a customized

intelligent micro-grid with wide serviceability with distributed and complimentary multi-energy products, including medium and

small-sized wind turbines, the PV power generation system, energy storage system, and grid control system.

KeyTechnology of REsmart+Micro-grid■ High-speed real-time Ethernet communication technology provides the looped network with a real-time, efficient and friendly

networking mode. Real-time distribution of power, real-time collection of voltage and current data and real-time control to each node

can be fulfilled at the same time. It also realizes rapid dispatching and more efficient utilization of micro-grid energy;■ The micro-grid control system platform was created by adopting the DSP+ARM+FPGA, high speed backplane bus and built-in RT-Linux

operation system. Abundant bus interfaces are available, including EtherCat, EtherNet, RS485, and CanOpen;■ Multi-module parallel technology allows switching between grid connection and disconnection in 10ms and provides the entire

micro-grid system with stable voltage frequency support;■ Power quality improvement technology: our independently developed power quality improvement product APF has an active power

filter. With sampling load current, it separates the harmonic and reactive power , controls and actively outputs the current magnitude,

frequency and phase position. Quick response allows it to counteract any corresponding current in the load and realize dynamic

tracking compensation.

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Service Network Close to Customer■ We are the only electronic control manufacturer in China carrying out regional service coverage accordingto the setup mode of the OEM’s service center;■ 8 offices covering 90% of the area in China have been built to help us stay close to customers and provide high efficiency services;■ Ensuring a12-hour response mechanism and responding to failure feedback rapidly;■ 24-hour technical advisory services.

Talent

RENergywasestablished for a dream of enjoying life from obtaining more benefits bylow-carbon energy development. RENergy cherishes

talents as its most valuable asset. With the HR idea of recognizing, employing, traning and holding talents, thecompany has always been

creating opportunities for employees, guiding people to pursue their dreams, and achieving their goals.

Hereby, more talented people have joined RENergy, who will beencouraged to fully participate in operations and contribute their

creativity and potential to the company.

RENergy not only provides the employees with a healthy and safe working environment, but also fully respects the employees who would

deliver mutual benefit both for the company and the employees.

Abundant Achievements in ApplicationOver 18,000 sets wind energy products have been put into operation at more than 190 wind farms located all across China, Eastern Europe and South Asia.We provide quality services to 40 owners. Our products and programs are suitable for various models, such as doubly fed generators, permanent-magnet direct-drive generators, and electro-magnetic direct-drive generators.We provide highly compatible types of products specifically suitable for plateau, low temperatures, ultra-low temperatures, high temperatures, and coastal environments.

The First Distributed Demonstration Wind Farm in China –The Lang’ergouWind Farm

■ 1600m elevation, 9MW total installed capacity, 1.5MW low temperature type main control system, pitch system and converter.■ It realizes automatic port voltage control; improves power quality at the local distribution network; and avoids the "wind abandoning" phenomenon to the maximum extent possible.

The Highest Elevation Wind Farm in the World –The Yunnan Fenghuashan Wind Farm

■ The altitude 3900m, 139.5MW total installed capacity, 1.5MW

plateau-type main control system, pitch system and converter.

■ Thin air, an unstable wind energy source, high demands associated with

insulation and dehumidification.

Successfully Withstanding a Violent 17-classTyphoon –The Hainan Dongfang Gancheng Wind Farm

■ Coastal-type wind farm project with a total installed capacity of 49.5MW.

■ 1.5MW coastal-type main control system.

■ The anti-typhoon strategy ensures stabilized operation under a 17-class

typhoon environment and effectively protects the safety of the unit.

The Largest Offshore (Intertidal Zone) Wind Farm in China - Jiangsu Rudong Offshore Demonstration Wind Farm

■ The largest offshore wind farm demonstration project in China with a total installed capacity of 150MW.■ 1.5MW coastal type main control system, pitch system, and converter.■ This project has instructive and demonstrative significance for wind resource utilization and operation maintenance for offshore wind farms in China.

Three-level Spare Parts WarehouseRENergy Regional Service Centers

Wulumuqi office

Wuzhong office

长春办事处

HQoffice

Kunming office

Guazhou office

Changchun office

Jining office

Xinyang office

Tianjin HQ

Zhongshan office

C ClassB ClassA Class

12-24hMaterial Turnover Rate < 50%

24-48hMaterial Turnover Rate < 50%

0-12hMaterial Turnover Rate ≥90% 12-24h

50%≤Material Turnover Rate <90%

0-12h50%≤Material Turnover Rate <90%

First class warehouse coverage areaTime effect of wind farm within service area ≥ 24 hours

Second class warehouse coverage areaTime effect of wind farm within service area ≥ 12 hours

Third class warehouse coverage areaTime effect of wind farm within service area ≤ 12 hours

Hebei/Liaoning/Shanxi/Henan/Shandong/Jining/Tongliao/Chifeng…

Heilongjiang/Jilin/Jiangsu/Zhejiang/Fujian/Guangdong/Yunnan/Gansu/Hubei/Hunan/

Guangxi/Jiangxi/Anhui/Qinghai

Jilin/Liaoning/Hebei/Inner Mongolia/Guangdong

/Yunnan/Gansu

Heilongjiang/Xinjiang/Ningxia/Guizhou/Fujian/Jiangsu/

Zhejiang/Hubei/Hunan/Guangxi/Jiangxi/Anhui/Qinghai

All areas

RENergy • REsmart

Talent

Potential

CultureCourage

TeamworkPassion