人们可以通过共同喜爱的作家沟通思想，交流感情，彼此息息相通，并与自己喜欢的作家思想相通，情感相融。
Men can think, feel, and sympathize with each other through their favorite author. They live in him together, and he in them.
人们可以通过共同喜爱的作家沟通思想，交流感情，彼此息息相通，并与自己喜欢的作家思想相通，情感相融。
Men can think, feel and sympathize with each other through their favorite author. They live in him together, and he in them.
采用多回路的分析方法，对建立在相坐标下的交流励磁发电机的动态性能进行了分析。
Using multi loop analysis method, the dynamic characteristics of ac excited generator are analyzed based on phase coordinate.
该方法通过实时检测三相交流输出电流方向得到方向函数，利用该函数选择一个PWM周期内不同电压矢量作用时间来控制中点电流的方向，实现电压平衡。
By getting the direction function from the output AC current, the applied time of voltage vectors in one PWM period was chosen, the direction of central current was controlled for DC voltage balance.
主电力是由两个发动机驱动发电机供应三相，115伏400周期交流电。
Primary electrical power is provided by two engine driven generators which supply three-phase, 115 volt 400 cycle alternating current.
在最佳的磁场参数作用下，无论是直流磁场还是交流磁场，堆焊层中硬质相细小且成“六角形”分布，此时堆焊层金属的硬度和磨损量均达到最佳状态。
Regardless of DC or AC magnetic field, the hard phase in weld metal overlay is fine and distributed "the hexagon" in optimum parameters, then hardness and wear extent in weld metal overlay are higher.
该文深入分析研究了高频脉冲交流环节逆变器稳态原理特性与单极性移相控制策略。
The steady principle of the inverter with a high frequency pulse AC link and the unipolarity phase shifting control strategy are investigated.
文化交流是个互相学习、相借鉴的过程。
The cultural exchange is a process of learning and meriting from each other.
介绍了一种用于制盐业三相交流电机的电流、电压和温度的智能保护系统的设计与实现。
This paper introduces the design and practice of intelligence protection system for the current, voltage and temperature of three-phrase ac motors.
不过，在分析交流电路时，重要的是不仅要考虑相量的幅值，还要考虑相量的方向。
However, when analyzing AC circuit, it is important to consider the magnitude as well as the direction of phasor quantities.
利用电力系统三相交流电压过零点和高速数字频率合成器解决了跳频系统中同步和快速频率合成的两个关键问题。
The zero-crossings of the AC voltage and digital frequency synthesizer are used in solving the two main problems in frequency hopping system-synchronization and fast frequency synthesizing.
简要叙述了三相交流晶闸管智能模块(ITPM)的性能特点、应用情况以及速调管的负载特性。
The characteristic and application conditions of three-phase ac intelligent thyristor power module (ITPM) and load characteristic of klystron are presented.
其中电器类产品有液晶显示计时计数器、平层感应器、断相错相三相交流保护继电器等等。
Electrical products which have LCD time counter, Layer sensor, Three-phase AC fault protection relay and so on.
在交流电网中，常常采用移相电容器补偿无功功率损耗的方法来提高网络的功率因数。
In ac power network, the way of phase-shifting capacitors to compensate reactive power loss is always adopted to raise network power factor.
三相变压器联接组的测定通常采用交流法。
Vsually we measure linking groups of three phase transformer in alternating current method.
为避开三相交流异步电动机和变频器的数学模型，利用飞升曲线法简单近似确定各环节的数学模型。
For avoiding the math models of three-phase AC electromotor and frequency inverter, adopt the simple similarity of ascending curve method to ensure the math models of every loop.
为大功率三相交流电机的无触点控制提供一种方法。
It provides a method for the untouched switch Control for three - phase alternating current motor.
分析了三相交流电机全数字脉宽调制的原理。
The principle of pure digital PWM of the three-phase AC motor is analyzed.
论文首先对三相交流调压电路及基于三相调压电路的三相交流异步电动机的软起动方法进行了分析。
The three phases voltage regulator circuits and three phases asynchronous motor soft starter method based on three phases voltage regulator circuits is analyzed at first.
当交流系统发生三相不对称故障时，忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when unbalanced fault occurs in AC system.
提出并深入研究了高频脉冲交流环节逆变器电路拓扑族及其双极性移相控制策略。
A circuit topology family of inverters with high frequency pulse AC link and a double polarities phase-shifting control strategy are proposed and deeply investigated.
本文首先研究了交流励磁发电机的三相静止坐标系数学模型和两相旋转坐标系数学模型。
In this paper, the mathematical models of ACEG in static three-phase coordinates and in rotary two-phase coordinates are studied.
该晶闸管触发器采用集成运数放大器，移相触发脉冲的形成是根据三相交流电的各相与移相控制电压直接比较原理实现的。
The shift trigger pulse of the thyristor trigger circuit with integration amplifier is generated by comparing directly principle of three-phase AC and shift-phase control voltage.
根据交流感应电动机在两相静止坐标系上的数学模型，采用脉冲电流法、脉冲电压法实现了对交流电动机电气参数的静态测试。
On the basis of the mathematical model of AC induction motor in two phase axis system, the static measurement of electrical parameter for AC motor is completed using pulse voltage and pulse current.
根据交流感应电动机在两相静止坐标系上的数学模型，采用脉冲电流法、脉冲电压法实现了对交流电动机电气参数的静态测试。
On the basis of the mathematical model of AC induction motor in two phase axis system, the static measurement of electrical parameter for AC motor is completed using pulse voltage and pulse current.
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