03 沈健 大型风电齿轮箱关键技术.pdf

1、大型风电齿轮箱关键技术研究Research on Key Technologies ofLarge-Scale Wind Turbine Gearboxes德力佳传动科技（江苏）股份有限公司Delijia Transmission Technology(Jiangsu)Co.,Ltd.汇报时间：2025.12.03汇报人：沈健目 录content发展现状/Current Development Status01技术路线/Technical Approach0203关键技术/Key Technologies04攻关与挑战/Research&Challenges发展现状海上风电增速显著Growth

2、 Rate of Offshore Wind Power is Remarkable全球风电装机容量持续增长，中国占比超40%，陆上风电主导市场，海上风电增速显著，未来五年年均增长率预计达12%。The global installed wind power capacity continues to grow,with China accounting for over 40%.Onshore wind power dominates the market,while offshore wind power is showing significant growth,with an expe

3、cted average annual growth rate of 12%over the next five years.01机组趋于大型化Size unit is becoming larger 大兆瓦机组成为主流，齿轮箱高功率密度设计需求迫切，推动行业降本增效。As large-megawatt units become mainstream,there is an urgent need for high-power-density gearbox designs,driving the industry toward cost reduction and efficiency im

4、provement.02目 录content发展现状/Current Development Status01技术路线/Technical Approach0203关键技术/Key Technologies04攻关与挑战/Research&Challenges技术路线前集成双馈1234SCD传统双馈四点支撑中速全集成中速5Traditional Dual FeedFour-point Support Medium SpeedFully Integrated Medium SpeedPre-integrated dual feedSCD1.SCD(Super Compact Drive)超紧凑风

5、电机组/SCD(Super Compact Drive)super compact wind turbine由明阳智能和德国aerodyn公司联合开发，其传动链由主轴承、行星齿轮和中速发电机组成。结合了传统中速与直驱型机组的传动链布局优势，使得整体设计较其余两种中速机组结构更紧凑。The drive train integrates medium-speed and direct-drive technologies,achieving superior structural compactness through its main bearing+planetary gear+medium-

6、speed generator configuration.技术路线/Technical ApproachSuper Compact Drive技术路线/Technical Approach2.传统双馈机组/Traditional Dual Feed齿轮箱单独一体，与主轴通过锁紧盘或法兰刚性连接，扭力臂通过弹性支撑固定在机舱上，电机与齿轮箱通过联轴器连接。可维护性能好，但机组尺寸长，且高速轴轴承随着机组大型化面临着温度、寿命可靠性挑战。The gearbox connects directly to the main shaft,with a torque arm anchored to th