系统谐振 meaning in Chinese
system resonance
Examples
- Probe and elimination of resonance in gise ' s 35kv system
系统谐振现象的探讨与排除 - Mechanism of resonances in a motor - elastic linkage mechanism system
弹性连杆机构系统谐振机理研究 - The experimental results show that the amplitude of vibration decreases and the resonance peak moves to higher frequency as the strength of electric field increases
实验表明，随外加电场强度增加，结构振动幅值减小，系统谐振峰向高频方向移动。 - In the next place , by studying the change of the resonant frequency of the whole system , this paper designs the circuit to track the resonant frequency of the system by cd4046 mainly . at the same time , in order to improve the efficiency and get better dynamic capability of the converter , we choose pll and fuzzy control after comparing the pll circuit , fuzzy circuit and pll ? fuzzy control circuit . in the end , this paper brings forward the control blue print to realize the drive control circuit of the high frequency converter , using the dsp chip as the key part to realize four routes of pwm drive pulses with dead band of the control system
其次，通过对整个系统谐振频率变化的分析和研究，设计了以锁相环cd4046为核心的锁相环控制电路，同时，在综合比较锁相环控制、模糊控制以及模糊控制和锁相环复合控制三种控制算法的基础上，进行了系统仿真，得出采用复合控制可使跟踪电路既具有锁相环路较好的稳态性能，又拥有模糊控制较好的动态性能，系统鲁棒性能好，同时也提高了逆变器的效率。 - Through theoretic reckoning and simulating analyzing , several control strategies for shunt apf were compared and chose ip - iq arithmetic of the instantaneous reactive power theory control strategy as the right scheme to produce the instructing current . based on it , some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage . two topologies of main circuit were compared and chose the three - phase voltage - source converter with a split - capacitor as its main circuit structure
通过理论计算和仿真分析，比较了并联型apf的几种控制策略的优点和缺点，从中选择瞬时无功理论控制策略i _ p - i _ q计算方式为指令电流产生的算法，并在此基础上增加了抑制系统谐振和平衡直流侧电容电压的控制；比较了并联型apf主电路的两种常见形式，从中选择了三相电压型变流器的主电路形式；算出适合该apf的直流侧电容和出线电感的参数；设计出能有效消除apf产生的高次谐波的高通滤波器。