励磁电压 meaning in English
excitation voltage
exciting voltage
field voltage
Examples
- The approximate computation method is used in float point computation of system ' s control algorithms after comparing several methods in respect of running time and program space involved , which attains quick computation besides high precision and implements excitation voltage with low harmonic and high control precision of frequency
通过从运行时间和占用空间等方面比较实现浮点数运算的几种方法，并选择了近似计算法作为系统控制算法浮点数运算的方法，在保证足够计算精度的前提下达到计算的快速性，实现低谐波和频率控制精度高的励磁电压。 - Thus , it is difficult to find the voltage reference for the harmonic analysis . since acem are always operated near to the synchronous speed , the frequency of the excited voltage is very low , even to zero . therefore , this is the power harmonic suppression study of a complicated power supply system , in which the about harmonic general theories and methods are all inapplicable
现代交流励磁电机( acem )采用电力电子变流器作为励磁装置，其励磁电压谐波含量丰富，难于获得谐波分析所需的电压基准，同时交流励磁电机经常工作在同步转速附近，致使励磁电压频率极低甚至为直流，通常的谐波检测方法和理论都无法适用，因而这是一种目前尚未深入探讨过的复杂供用电系统电力谐波抑制问题的研究。 - The modulating signals of firing delay angle at the rectifier and firing lead angle at the inverter , and the excitation voltage are chosen to be control variables . the offset of the current of dc line and the extinction angle and the power angle of generator are chosen to be control outputs . then a nonlinear controller is designed for the system under study according to direct feedback linearization theory
以整流侧触发延迟角的调节信号、逆变侧触发超前角的调节信号以及发电机励磁电压作为控制变量,以直流线路电流、逆变侧关断角以及发电机功角的偏移量作为目标输出,用直接反馈线性化方法设计了系统的非线性控制器。 - The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter . the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled , so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled . therefore , acegs have superior performances by contrast with conventional synchronous generators and induction generators , such as upstanding stability , power generation of variable speed constant frequency ( vscf ) , adjusting active power and reactive power independently , and absorbing lag reactive power deeply
交流励磁发电机的基本结构与绕线式异步电机相同，其定子侧接电网，转子上采用三相对称分布的励磁绕组，由变频器提供对称交流电励磁，且励磁电压的幅值大小、频率、相位、相序都可根据要求加以控制，从而可以控制发电机励磁磁场大小、相对于转子的位置和电机的转速，使得交流励磁发电机具有良好的稳定性及转速适应能力、独立的有功与无功调节能力和较强的进相运行能力，性能超越传统同步发电机和感应发电机，因而有着广阔的应用前景。