本文在叠加原理和拉氏变换方法的基础上,分析了感应电机在不同的短路状态下瞬态过程。
On the basis of the superposition principle and Laplace transformation, the process of the transient state under different short circuit states of induction machine is analyzed.
根据专家经验由假设建立一个候选集,每个候选故障的行为都是由与状态相关的瞬态分布征兆序列描述的。
A candidate set is set up with hypothesis according to experts experience, and the behaviors for each candidate fault are described by the temporally distributed symptoms relevant to the state.
针对加速工况,分别对IGBT1导通和截止状态建立了电机驱动系统瞬态数学模型。
Considering various states of IGBT1, transient mathematical models of the electric motor driving system during the acceleration process is built up.
首先介绍利用激波管研究水汽瞬态相变的概况,并介绍一些特殊激波管及实验状态的控制。
In the first, the general situations of research about transient phase transformation used by both ordinary and special shock tubes, including some experimental condition controls, are introduced.
然而,由于开关电源工作在高频状态,其产生的瞬态脉冲包含有能够发射电磁干扰(emi)的的高频谐波。
However, SMPS operate at high switching frequencies, and the associated transient pulses are full of high frequency harmonics that may cause electromagnetic interference (EMI).
利用旋臂式模型机动飞行试验机进行倾转过渡状态下旋翼瞬态拉力的试验研究,试验与理论计算结果表现出很好的相关性。
The experiment of transient rotor thrust during transition flight has been carried out on whirling beam test facility, and the experimental results show excellent agreement with theory.
大多数关于PEMFC数值模拟的研究关注于其在稳定状态下的特征,只有很少的是直接研究瞬态过程的。
Most of the numerical simulations of the research of PEMFC concerned about its characteristics in the state of stability, there are very few studies have focus on the transient process.
大多数关于PEMFC数值模拟的研究关注于其在稳定状态下的特征,只有很少的是直接研究瞬态过程的。
Most of the numerical simulations of the research of PEMFC concerned about its characteristics in the state of stability, there are very few studies have focus on the transient process.
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