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转子电流的英文

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"转子电流"怎么读用"转子电流"造句

英文翻译手机手机版

  • rotor current

例句与用法

  • Locked rotor current
    锁定转子电流
  • Computation is eased by the law as the rotor current observer is needless under this way
    该控制律无需对转子电流进行观测,减少了计算量。
  • Second , the forecasting model for the field current based on the fuzzy system is discussed
    其次,本文介绍了基于模糊系统的转子电流预测原理。
  • The paper gives the vector control speed system of the double - fed machine on the rotor current orientation
    在进行定子磁场定向后,保持转子电流与定子磁链相垂直,进行转子电流定向。
  • In this paper , a direct method based on fixing the rotor current is proposed . by the experiment , we can prove that the method is correct
    本论文提出了转子电流定向的速度辨识方法,并且通过仿真、实验研究验证了本方法的正确性及实际的可行性。
  • In this paper the predictive system of field current is studied using takagi - sugeno fuzzy system . the input parameters are drawn from the turbo - generator ' s stator
    因此,本文利用基于神经网络集成的高木一关野模糊系统来建立发电机正常运行时转子电流的预测模型。
  • Based on the analysis of the control theory of the dtc of doubly fed induction machines , in this paper , two control schemes are proposed : the least mode of rotor current and the stator power factor adjustable mode . in the first control scheme , we may make the rotor voltage the same or opposite phase with the rotor current by throwing suitable rotor voltage vector
    在第一种控制方案中,通过施加转子电压矢量,使转子电流与转子磁链垂直,转子励磁全靠定子电流,即可保证转子电流和转子电压同相或反相,从而实现了转子侧功率因数为1 ,可减小转子侧变频器的容量。
  • Simulations for these two conditions prove validity of theoretical analysis . on the basis of this scheme , a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given . it introduces the closed - loop of stator excitation current to the system , which increases two adjustment channels : speed and excitation adjustment
    经理论分析可知,该方案中,由于转子电流与磁链无法实现完全解耦,故仅在亚同步工况下有效,在超同步时则会因为调速系统不能自动校正转子磁链幅值变化引起的横向电流而使系统失去控制,无法达到稳定状态。
  • The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control , a unit power factor of rotor control scheme is proposed . in the doubly fed adjustment system , in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux . it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed , but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization
    而传统的无速度传感器双馈调速矢量控制系统,由于采用磁链定向方法,在同步速附近存在较大的工作死区,针对上述问题,本文做了如下的研究工作:本文从双馈电机的数学模型出发,根据矢量控制的基本原理,提出了一种转子侧功率因数为1的双馈电机矢量控制方案的设想,即在双馈调速时采用转子电流定向的方法,并控制外加转子电压与转子电流始终反相,以保持了转子电流与转子磁链矢量垂直,通过控制转子电流的大小来达到控制电机电磁转矩的要求。
  • In this paper , several scheme of vscf is compared firstly , of which gets doubly - fed generating mode . doubly - fed vscf wind power generating system uses a doubly - fed induction generator , which rotate speed can be able to change with wind turbine , and it ensures a constant - frequency output , by controlling the frequency of current input into rotor windings . in vector trans control system , the control of stator active power and the control of stator reactive power can be essentially decoupled , and the former is via torque component and the latter is via exciting component of stator current
    本文首先比较了几种变速恒频方案,从中选择了双馈式变速恒频方案;它运用双馈电机的工作原理,允许发电机转速变化,而在电机转子侧接入低频励磁电流,通过控制该电流的频率,保证双馈电机定子输出的频率恒定;再结合矢量控制技术,通过调节转子电流来控制定子电流的转矩分量和励磁分量,相应独立地控制发电机输出的有功功率和无功功率。
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