The alternating current voltage adjustment and speed adjustment energy sparing technique is introduced. 并且简单分析了异步电动机的损耗和交流调压、调速节能技术。
An electric transformer changes the alternating voltage applied to it in proportion to the numbers of turns in its primary and secondary windings. 变压器其交变电压的改变与初级线圈及其次级线圈的匝数成正比。
Individual brain processes generate 'waves' of alternating voltage which can be measured on the scalp by an electro-encephalograph. 个体大脑运动过程中产生的交叉电压微波可在头皮上被脑电图仪测量。
It is common for the direct current circuit to be interfered by alternating current voltage. 直流回路受到交流电压干扰,是控制回路中容易产生的现象。
As the control rod is withdrawn, the coding bars move in the center of the coils respectively, while the constant alternating current passes the coils and makes them to create inductance alternating voltage signals. 当K根编码棒随控制棒在K个测量线圈中央轴向运动时,导致线圈的感抗发生变化,线圈输入的交变恒流信号在测量线圈上产生随感抗发生变化的电压信号。
This paper puts emphasis on the principle of using microprocessor to control SCR for the adjustment of alternating voltage, and on the hardware system and the flowchart. 本文着重阐述采用微处理器控制SCR交流调压的工作原理,系统的硬件组成及程序框图。
The method is easy to use, with which the service Period of the solution is long and the quality of treated wire is good. A Photoelectrochemical investigation has been carried out on 304 stainless steel alternating voltage ( A.V.) 此法简单易行,硼砂溶液使用期长,处理钢丝的质量高。采用光电化学方法研究了304不锈钢载波钝化膜在硼酸/硼砂溶液中的光电化学性质。
The article deals with the functions of DC AC series intelligent power inverters, software PWM technology and alternating voltage output modulation technology. 介绍了DCAC系列智能电源逆变器的功能,软件PWM技术及其交流电压输出调制技术。
On the improvement of electronic alternating voltage stabilizer for 614 series 614系列电子交流稳压器的改进
On the brushless compensation high-power alternating current voltage regulator power supply for ships 舰船用无碳刷补偿型大功率交流稳压电源的探讨碳刷强度测试仪
Effect of alternating voltage modulation on the features of the passive film on 321 stainless steel 交变电场对321不锈钢钝化膜性质的影响
The device can not only be used to measure alternating voltage, current, power factor, active power and inactive power, but also provide many functions, such as power load and power factor control, voltage quality statistics, lost phase protection, and printing out. 该装置能同时测量交流电压、交流电流、功率因数、有功功率、无功功率等各种参数,且具有负荷、功率因数自动控制、统计电压质量、缺相保护、报警及报表打印输出功能。
The virtual multimeter based on ISA bus is divided into computer and ISA bus board. It is composed of A/ D conversion, alternating voltage measurement, resistance measurement and interface circuit. 基于ISA总线的虚拟万用表,分计算机和ISA总线板卡两部分,由A/D转换、交变电压测量、电阻测量及接口电路组成。
Study of RL Circuitry Transient Response Under the Driver of Simple Sinusoidal Alternating Voltage Source 正弦交流电压激励下RL电路瞬态响应的研究
A Quick Responsive Alternating Stable Voltage Power 一种快速响应的交流稳压电源的设计
Saber Emulation and Control of the Three-phase Induction Motor in Alternating Current Voltage Regulation Circuit 三相异步电机交流调压电路Saber仿真与控制
Study on the properties of Colored Film Formed on Stainless Steel by Using Alternating Voltage Passivation 不锈钢载波钝化着色膜性质的研究
Under the action of the internal actuating forces generated by the active members driven by the alternating voltage, a dynamic test of the structure can be carried out. 主动构件在外电场作用下,产生结构的内部激励力,可以对桁架结构进行动态测试。
A new coloring method, alternating voltage passivation, was originated to obtain color films on stainless steel in Cr-free sulfuric acid solution. 提出了一种新的不锈钢着色方法&载波钝化着色,即在无铬的硫酸溶液中用载波钝化的电化学方法得到各种色彩的不锈钢表面。
The response of RL first-order circuity switching on simple sinusoidal alternating voltage source is discussed. The conditions of RL circuitry directly accessing stationary response and the reason why the excess current and excess voltage generate are also analysied. 分析了一阶RL电路在正弦交流电压源激励下,电路直接进入稳态响应的条件和产生过流、过压的原因。
This paper states a measuring circuit which applies the temperature sensor to transfer directly the alternating current voltage to the virtual value. It can accurately measure every waveform at a very wide range of voltage and frequency. 利用温度传感器把交流电压直接转换为有效值,由此构成的交流电压测量电路能在很宽的电平和频率范围内对任意波形进行精确测量。
The purpose lies in supplying reliable stabilized alternating voltage for the district with more voltage fluctuation in the network and the users of electric appliances which need a stable voltage. 研究的目的在于给电网电压波动较大地区和要求电源电压稳定的用电器提供可靠的交流稳压电源。
The new control system for alternating voltage adjusting and Practice 新型交流调压控制系统及应用
The advantages of such a connection mode when the system is single-phase ground fault will not form a short circuit, then the location is not a lot of money short-circuit current, and three-phase alternating voltage remains symmetrical, does not affect the power supply to the load. 这种接线方式的优点是当系统出现单相接地故障时,不会形成短路,接地点没有量值很大的短路电流,而且三相相间电压仍保持对称,不影响对负荷的供电。
The detection of partial discharge ( PD) in the GIS under the alternating voltage is one of the important approaches to know the state of the GIS. 交流电压下的局部放电检测是一种重要的检测GIS绝缘状态的手段。
Harmonic analysis of magnetizing current is performed to observe the effect of DC bias and alternating voltage on each harmonic component. 2. 对励磁电流进行谐波分析,研究了直流偏置量和交流电压对各次谐波分量的影响。
Inverter is a DC/ AC converter of outputting alternating current voltage and stability frequency. The technology of inverter is the modern power electronics. 逆变电源是一种将直流电转化成输出电压和频率稳定交流电的DC/AC转换器,其核心技术为现代电力电子学。