table speed meaning in Chinese
工作台速度
Examples
- Analysis of capture band of testing - table speed - rate system
转台速率系统捕捉带的分析 - The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed , which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system , and simulator program of dynamic and steady condition is established , which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system , a comparison is made between predicted and experimental characteristics , experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion , harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched , which cancelled the low harmonic and improve the system performance
通过对电机的kron变换和对称分量变换，建立了系统较精确的数学模型，编制了系统动态及稳态运行的仿真计算程序分别计算系统的动态和稳态性能。通过对系统的具体参数进行了仿真运算和实验研究，实验和仿真结果进行比较，说明实验和理论较为一致，并从系统效率、转矩脉动及两相逆变器电容的影响等方面与各种逆变器和单相异步电动机组成的变频调速系统加以比较。在此基础上，对两相逆变器供电-异步电动机系统使用谐波抑制pwm控制进行了研究，由于减少了低次谐波，改善了系统性能。