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Dongfang Wind Power assists Huachuang in upgrading its low-efficiency wind turbines, generating a 38.3% increase in power generation compared with the feasibility study data!

On October 21, the first Huachuang CCWE2000/103.D direct drive wind turbine, which was systematically upgraded and upgraded by Dongfang Wind Power, has been operating stably for 7 months in a wind farm in Shanxi, with a cumulative power generation of 3.6 million kWh. The utilization rate exceeds 99.5%, and it is estimated that the annual equivalent power generation hours is about 3085h, which is 38.3% higher than the feasibility study data. It marks that Dongfang Wind Power has achieved significant results in the transformation and upgrading of Huachuang wind turbines, and has provided an important demonstration for solving the problem of other low-efficiency wind turbines.


Huachuang 2.0MW direct-drive wind turbine generator, main control system, pitch system, hydraulic station and other components have many problems. Among them, the generator problem is the most serious, the safety risk is high, the unit is almost stopped, which causes a huge economy for the wind farm loss.

Dongfang Wind Power has carefully formulated a systematic solution through a series of measures such as on-site inspection and generator return to the factory for dismantling and testing, so as to retain the original components of the wind turbine to the greatest extent and ensure the optimal cost-effectiveness of the solution.


1) Survey and map the original wind turbine components and establish a three-dimensional model;

2) Recalculate the load of the wind turbine;

3) Check the strength of key components such as wheel hub, frame, tower tube, bearing, etc.;

4) Use Dongfang mature direct-drive generator to replace the original fan malfunction generator;

5) Use Oriental mature direct drive algorithm logic, combined with the original master control system configuration, to customize the development of the master control program;

6) Customized design and partial replacement of the original pitch system;

7) Software upgrade and parameter adjustment of the original inverter;

8) Transform the original generator cooling system, engine room cover, slip ring bracket, hydraulic station, etc.

Dongfang Wind Power has overcome the adverse effects of the industry's rush for installation, rain and snow weather, and through scientific organization of construction, rational deployment of resources, and strengthening of technical reform supervision, it completed the transformation, hoisting and commissioning of the prototype within two weeks, ensuring the unit's grid connection on schedule. After the renovation, the wind turbine rejuvenated its vitality, and withstood the test of strong wind, rain and snow, and continued stable operation, which strongly proved the reliability and effectiveness of the renovation plan.



In the entire transformation process of the wind turbine, Beijing Jianheng Certification Center participated in the whole process as a third-party organization, and provided objective and professional judgments on the collection of unit problems, the disassembly of the generator, and the evaluation of the transformation plan. The assessment considered that the technical plan was feasible and capable Solve the problems existing in the fan.


Dongfang Wind Power will continue to exert its professional capabilities in the transformation and upgrading of wind turbines. Through the overall solution of high safety, high reliability, and optimal cost performance, through fast and efficient construction, more Huachuang wind turbines will be given new vigor and vitality. , To help more new energy companies optimize asset efficiency and achieve higher power generation revenue.

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