English translation for "harmonic cancellation"
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- 谐波消除
Related Translations:
harmonic: n.1.【音乐】泛音；和声。2.〔 pl.〕【数学】谐函数，调和函数。3.【物理学】谐波，谐音。adj.1.和睦的，融洽的。2.【数学】调和的。3.【音乐】和声的，悦耳的。4.【物理学】谐波的。adj.-ical ,-ically adv.
- Example Sentences:
| 1. | In chapter 3 , a new method for real - time harmonics cancellation based on frequency shifting principle is deduced
第三章提出了一种基于移频思想的实时谐波消去算法。 | | 2. | 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。 | | 3. | Fault feature in stator current is extracted by singularity detection of signals with half - complex wavelet transform and it can be helpful to the real - time detection of motor fault . harmonics caused by the fault of motor is detected accurately with real - time harmonics cancellation method . steady state current and starting current in stator are analyzed with real - time harmonics cancellation method and the improved harmonic wavelet separately , after that the feature component of rotor fault can be detected successfully
采用半复小波变换对电机定子电流进行奇异性检测，提取故障突变信号，有助于电机故障的实时诊断；通过实时谐波消去法检测定子故障引起的高次谐波电流；采用改进的实时谐波消去法精确提取电机稳态电流中的转子断条故障特征分量；为了进一步提高转子断条故障诊断精度，利用改进的谐波小波对电机起动电流进行时频分析，提取转子断条故障特征。 |
- Similar Words：
- "harmonic biota" English translation, "harmonic blocking relay" English translation, "harmonic boundary" English translation, "harmonic bunching" English translation, "harmonic cam" English translation, "harmonic center" English translation, "harmonic chainmail" English translation, "harmonic characteristic" English translation, "harmonic choke" English translation, "harmonic chromatic scale" English translation
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