●  Achieved product design with more than 95% of parts standardized, enabling a better onward and progressive compatibility design.
                ●  Combined modular product design and rapidly customization delivery.
                ●More compact design, better ventilation and smart interface.
                ● Sharing diagnosis expert database among main control, converter, pitch control and SCADA system, optimized troubleshooting outcome and high reliability.



                Solution for Smart WTG



                Main Control System - Advanced Control Strategy



                Wind sensor failure operation, (electric) current compensation, parametric intelligent correction, intelligent lubrication, intelligent anemometry, typhoon mode.
                Technology of wind direction auto-tracking and acquisition under maximum power, technology of interconnected control among WTGs.

                Control Technology Development Based on WTG Simulation


                Optimization and renovation of control strategy, to help customers solve WTGs’ non-compliance




                Improved Control Strategy to Reduce WTG LoadOptimized Control Strategy to Improve WTG Performance
                Converter – Data Diagnostics
                Remote maintenance – parameter download, program updates, failure recording, failure classification and expert diagnosis
                Torque response less than 100ms with WTGs stable operation
                Patented technology of harmonic control, exceeding the national standard, user-friendly grid adaptability helps to improve power generation
                High sensitivity of power deviation, under control of -10kW∽+20kW, better performance than internationally well-known brands



                Figure: Comparison of RENergy Electric’s Unique Harmonic Suppression Technology


                Pitch System - Battery Performance Monitoring


                Segmentation speed control algorithm based on load, to enhance WTG response sensitivity
                Online energy monitoring technology of backup power, to combine automatic charging with manual charging makes the system easy to maintain
                Real-time monitoring, automatic detection and analysis on battery performanceto improve the safety of WTG
                In order to reduce load impact on WTG and improve the lifespan of WTG, emergency feathering and operation are enabled at variable speed.





                Figure: Emergency feathering and operation at variable speed



                SCADA System - Open Source Collaboration


                Data cache mechanism, data playback, and failure-point fast locating;
                Opened up a high degree of source code to the outside, support multiple communication protocols;
                Seamlessly integrated link with wind power prediction system, integrated into substation automation system and power dispatch system to achieve information integration and intelligent scheduling.

                Main Products

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