doubly-fed造句
例句与造句
- The author firstly analyzed the mathematic model of the cascaded brushless doubly - fed machine ( cbdfm ) on the dq and mt coordinate rotating at rotor speed and synchronous speed seperatly , and the equivalent circuit of steady state . the author also analyzed the stator power winding flux oriented vector control strategy of the cbdfm as vscf wind power generator and validated the validity of the model and strategy by the simulation analysis
此外，本文还首次详尽地分析了级联式无刷双馈电机在转子机械速dq坐标系、定子同步速mt坐标系下的数学模型，稳态等效电路及作变速恒频风力发电机运行时的定子功率绕组磁链定向矢量控制策略，通过仿真分析验证了模型和策略的正确性。 - University of posts and telecommunications , chongqing , 400065 , china abstract : based on the principles of electrical machine design and brushless doubly - fed machines ( bdfm ) , the power relations and electromagnetic loads for bdfm are analyzed and discussed in this paper , then the computational capacity and electromagnetic loads are achieved . this is usefull for the determination of the basic sizes of bdfm
从传统电机的设计原则和无刷双馈电动机的基本原理出发，对无刷双馈电动机的功率关系及电磁负荷作了详细的分析和讨论，导出了该电动机计算功率、电磁负荷的选取要点，从而确立了无刷双馈电动机主要尺寸确定的主要依据。 - 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。 - In the paper , the technical approach of vscf wind power generation using a . c excited doubly - fed induction generator was comprehensively investigated from theory to practice , from simulation to experiment . this paper firstly analyzed the performance characteristic and the operation principle of optimum utilization of wind - energy
本文采用交流励磁双馈发电机的技术方案，从仿真到试验、从理论到实践全面介绍了双馈发电机交流励磁变速恒频风电系统中的关键技术。 - Abstract : university of posts and telecommunications , chongqing , 400065 , china abstract : based on the principles of electrical machine design and brushless doubly - fed machines ( bdfm ) , the power relations and electromagnetic loads for bdfm are analyzed and discussed in this paper , then the computational capacity and electromagnetic loads are achieved . this is usefull for the determination of the basic sizes of bdfm
文摘:从传统电机的设计原则和无刷双馈电动机的基本原理出发，对无刷双馈电动机的功率关系及电磁负荷作了详细的分析和讨论，导出了该电动机计算功率、电磁负荷的选取要点，从而确立了无刷双馈电动机主要尺寸确定的主要依据。 - It's difficult to find doubly-fed in a sentence. 用doubly-fed造句挺难的
- The paper puts forward a new control strategy which integrates chopping and doubly - fed adjusting based on the intel 80c196mc single - chip - computer . the output initialization method of inverter is derived . the control strategy and the control arithmetic can achieve multi - state conversion and realize smooth transition below or above the synchronous speed
提出了基于80c196mc单片机控制的将斩波与双馈相结合的新控制策略，推导出了变流器输出初值的控制算法，实现了低于同步速、同步速和高于同步速运行状态的可靠转换和平滑过渡。 - After analyzing the mathematical model of wind turbine and doubly - fed induction generator , a schematic is given about the power flow in the wind turbine and generator and a static equivalent circuit is shown as well . then , through the reference frame transform , the electromagnetic equation , dynamic equivalent circuit , and vectorgraph of doubly - fed generator can be gotten in the dq reference frame . in virtue of the general dynamic equivalent circuit , it produces a asymmetry equivalent
本文在对风力机和双馈电机进行了数学分析后，给出了功率在风力机和双馈电机中的流动过程图解，同时给出了双馈电机的稳态等效电路；然后，经过坐标变换，进一步得出了同步坐标系下双馈电机的基本电磁方程、功率方程、动态等效电路和综合矢量图，并借助通用动态等效电路的形式，得出了便于定子磁链分析的不对称等效电路。
更多例句： 上一页