●  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

More

All rights reserved:www.relectric.cn/

Website technical support:Tianjin WenShuai Technology Co., Ltd.