Silicon controlled static frequency convectors are used as medium frequency power source for this series of furnaces.
本系列电炉采用可控硅静止变频为中频电源进行感应加热。
The static frequency converter used in pumped storage units generally adopts common thyristor as the rectifying inverting bridge.
用于抽水蓄能机组起动的静止变频器，其整流逆变桥通常采用普通晶闸管。
Equipped with high speed and high power electric spindle powered by static frequency convertor, featuring low energy consumption and low noise.
采用高速大功率电动砂轮轴，由静止变频器供电，能耗低、噪声小。
In this paper, a mathematical model of static frequency converter starting with current and frequency closed-loop control for pumped storage units is established.
本文建立了抽水蓄能机组静止变频器在电流、频率闭环控制下的数学模型。
By using finite element method (FEM) and by simulating the dynamic and static frequency, the reasons of vibration are clear and then the servo structure is optimized.
通过对直线运动平台的有限元分析和动静态频率仿真，确定了刀架振动的原因，并优化了刀架的结构。
This paper presents the structure, characteristics and parameters of the static frequency convertor(SFC) in GPSPS. The operation and common faults of SFC are described.
文章介绍该电厂的静止变频器的结构、设计参数、运行情况及常见故障。
The static frequency modulation characteristic of electric network is the foundation of frequency stability of the electric network that determined by frequency modulation.
由一次调频决定的电网静态调频特性，则是电网频率稳定性的基础。
When such fields do not vary with time they are referred to as static and have a frequency of 0 Hz.
当这种磁场不随着时间而发生变化时它们被称为静态，所具有的频率为0赫兹。
There could be several variations to support - frequency of changes to label information, number of words, language, data formatting, mixture of static and dynamic messages that make up a label, etc.
可能的几个需要支持的变化是：标签信息改变的频率，文字数量，语言，数据格式，组成标签的静态信息和动态信息等。
When a number of certain static images, such as geometric figures, for example, interchange with a specified frequency, it creates something like a motion picture effect.
当一组特定的静态图像，例如几何图形，以指定的频率切换，便会产生某种动态图片的效果。
Based on the static characteristics of induction motor, this paper analyzes the braking function of general voltage vector controlled frequency converter.
本文从感应电机的静态特性出发，分析了通用电压矢量控制变频调速器的制动功能。
Utilizing ANSYS, the static deformation and natural frequency for the spindle of the nc boring-milling machine are analyzed.
利用有限元分析软件ANSYS计算数控镗铣钻床主轴的静态变形与一阶固有频率。
Static performance and frequency response test curves of the servo valve are given.
文中还给出了该阀的实验静态性能及动态频率特性曲线。
The topological optimization model of continuum structure that minimizes weight and subjects to static displacement and frequency constraints is established by ICM method.
用ICM方法建立了静位移及频率约束下、重量最小为目标的连续体结构拓扑优化模型。
The FEA(finite elements analysis) model is established for coach monocoque frame. The analysis on static, mode, frequency response and fatigue life are carried on.
建立全承载客车骨架的有限元壳单元模型，分析其静力、模态、频率响应和疲劳寿命。
Calculations of static properties are dealt with transfer functions at zero frequency.
静态特性计算运用零频率的传递函数。
The frequency response of human hearing system can be classified two categories: "static" and "dynamic".
本文认为人类听觉系统的频响有“静态”和“动态”之分。
A discrete frequency control method is proposed for thyristorized static switch.
介绍了用于感应电机起动的离散频率控制方法。
The effect of alternating magnetic field frequency on the meniscus, microstructure and element distribution of the static formed ingots of minitype square billet of 7050 aluminium alloy.
研究了在交变磁场作用下磁场频率变化对7050铝合金小型方坯静态成型铸坯熔体的弯液面、显微组织以及元素分布的影响。
In practice, choosing the static height of the bed layer and the frequency of the gas pulsation properly can increase the heat transfer coefficient.
在实际操作过程中，选择合理的床层静止高度和气流脉动频率对提高传热系数有利。
The energy optimization control of asynchronous machine often uses the permanent slip frequency control according to the electrical machinery static model.
感应电机能量优化控制常根据电机静态模型采用恒转差频率控制。
The paper introduces the hard ware composition and soft ware design of computer control system of spark frequency of high pressure static dust extractor.
本文介绍了高压静电收尘器火花频度计算机控制系统的硬件组成和软件设计。
If your receiver isn't precisely tuned to the frequency of the signal, the static interferes with the subtleties of whatever is being transmitted.
如果你的接受器没有准确地调到那个信号的频率，所传递的讯号细节就会受到杂音的干扰。
Static and dynamic frequency and dynamic stress are analyzed by using the modal analysis method and the transient dynamics method.
通过模态分析、瞬态动力学的方法，分析了叶片的动频、动应力。
The pass band of this mode is from static to plasma frequency, and does not depend on structure dimension.
这一模式的通带从零到等离子体频率，而且不依赖于结构尺寸。
A hydraulic vibratory system is developed for vibratory pile pressing. It can produce variable pressure with a specified frequency in hydraulic circuit for hydraulic static pile pressing machine.
为液压静力沉桩机液压系统的压桩油路中产生一定频率压力变化，实现振动压桩而研发了一套液压振动系统。
A mathematical model of the servo-mechanism based on classical control theory is established. Estimation of its static and dynamic characteristics, namely step response and frequency response is made.
本文根据古典控制理论，建立了伺服机构的数学模型，并对其静态特性和动态特性——阶跃响应和频率响应特性进行了估算。
The alternate test of static load and dynamic load on RC beam serves the study of the frequency change disciplinarian from integrity to destroy of RC beam.
通过对钢筋混凝土梁进行不同荷载等级下静载和动载的交替实验，得到混凝土梁从完整到破坏的频率变化规律。
For system of single freedom-degree, the relationship of its static stiffness and square of natural frequency is direct ratio.
对单自由度系统，其静刚度与固有频率的平方有正比关系。
The static permeability and resonance frequency decrease with the drop of temperature.
共振频率和准静态磁导率随温度降低而减少；
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