风能利用 meaning in English
wind energy application
wind power utilization
Examples
- Wind firms ' worries echo those in the solar - power business , which is also booming but where a shortage of polysilicon has hampered growth
风力公司担心像太阳能利用时因为缺少多晶硅以致阻碍发展那样会出现导致不利于风能利用发展的情况。 - Despite spectacular global and national wind energy growth , the australian industry is now facing an investment cliff due to the stagnation of government support for market development
尽管国内外对风能利用大增，却因政府减少支持市场的开发，风能业者正走上投资绝境。 - High speed : high efficiency and low resistance moment , under the same conditions , the generator speed can reach at 1 . 5 or 3 times of the normal generator ' s , so it can be make good use of
转的快：电机轻快高效，阻力矩极小，同等条件下，转速是其它电机转速的1 . 5到3倍，风叶的风能利用系数更高，可以发更多的电。 - Compared with fix - pitch wind turbine , the variable - pitch wind turbine has the virtue : stable output power over rated power , high wind power coefficient , holding rated power at high wind speed , good starting and shut - off etc .
变桨距风力发电机组与定桨距风力发电机组相比，在额定功率点以上输出功率平稳、具有较高的风能利用系数、能够确保高风速段的额定功率、起动性能与制动性能好等特点。 - Secondly , to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing . the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator . thirdly , it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow . the author constructed reliable and integrated experimental system and did a series of experimental study including no - load , cutting - in network and power generation at , below and above the synchronous speed
论文首先分析了风机运行特性及其最佳风能利用原理，通过仿真及实验验证了采用直流电机的输出特性模拟风力机的最大输出功率曲线的可行性，并给出了模拟系统的硬件结构；然后为了实现交流励磁发电机有功、无功功率独立调节机理，分析了交流励磁双馈发电机的数学模型和在追踪最大风能捕获变速恒频风力发电时必需的定子磁链定向矢量控制策略；针对双馈发电机转子能量双向流动的要求，提出并设计了具有能量双向流动能力的双pwm交流励磁用变频器；最后为实现从理论到实践的全面研究，研制出了一套小功率完整的双pwm变频器交流励磁的双馈风力发电机实验系统，进行了空载、并网、同步速及上、下的发电运行等一系列的运行实验；所完成的仿真和实验研究均验证了理论、模型和控制策略的正确性、可行性。