In the application of above 24V fort current voltage grade control circuit, Voltage Alternating and resonant wave interference of input model for Programmable Logic Controllers must be resolved.
可编程控制器在高于24V的直流电压等级控制回路中应用时需解决输入模块的电压变换和谐波干扰等问题。
This bar naturally vibrates at 3.145 MHz, but apply an alternating voltage and it vibrates more quickly or slowly.
这种硅条自然的震动于3.145MHz的频率，不过当施加一个交变电流的时候，它的震动会变快或变慢。
Step down transformers provide low voltage AC power for lighting, instruments and other circuits that use alternating current at a lower voltage.
降压变压器低压AC电源提供照明，仪器仪表和其他使用交流电在一个较低的电压的电路。
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。
A sine wave alternating voltage signal is generated synchronously in the presence of gear teeth made of carbon steel, magnetic stainless steel, or iron (ferrous metal).
阿正弦波交流电压产生的同步信号中的齿轮碳钢，不锈钢磁性，或铁(黑色金属)提出的存在。
This section details how to make surface and volume resistivity measurements with these test fixtures, as well as the Alternating Polarity and Alternating Voltage techniques for measuring resistivity.
本节详细介绍如何使用这些测试夹具来进行表面电阻率和体电阻率的测量，以及测量电阻率时使用的变换极性和变换电压的技术。
The product of the effective values of the voltage and current with the cosine of the phase Angle between current and voltage in an alternating-current circuit.
伏特量交流电路中电压与电流的有效值以及电流与电压之间相位角的余弦之乘积。
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。
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。
Using an alternating high- and low-bias voltage, we have formed hydrogen-free multilayers of hard and soft diamond-like carbon films.
本文采用交替施加高偏压和低偏压的方法，合成出了具有软膜和硬膜结构的无氢类金刚石多层膜。
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。
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。
When using mesh, closed circuit voltage equation groups will be more exquisite, direct complex circuit is the special case of alternating complex circuit.
通过交、直流电路在使用基尔霍夫方程组解题的分析讨论，可知回路电压方程采用网孔法比较准确，不易出错。
High power factor stabilized voltage supply is a kind of high performance alternating current power supply which can not only steady the output voltage but also enhance the input power factor.
高功率因数稳压电源是一种既能起到稳压作用又可以提高电源输入端功率因数的高性能交流电源。
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。
SANO intelligent servo transformer is a super-small size servo transformer, specifically developed for the non-compatibility voltage between the China Electrical and the alternating servo motor.
SANO三相智能型伺服变压器是专门针对中国电网与交流伺服电机所需电压不匹配而设计的超小体积三相伺服变压器。
MSP430F449 has abundant internal resource, but itself 12 b A/DC negative pole reference voltage can′t be lower than 0V. It has brought the difficulty in measuring alternating current signal.
MSP430F449单片机内部资源丰富，但是他本身自带的12位A/DC参考电压中的负极最低不能小于0V电压，对于交流信号的测量带来了困难。
Power supply or circuit capable of regulating either alternating or direct current within 5% of desired value, and limiting the open circuit (source) voltage to 20 millivolts maximum.
电源及能调节交流或直流电流在期望值的5%之内的，控制开路电压到最大20毫伏的路。
The test on three phase alternating voltage has shown that this system has good reliable performances and can afford evidence for finalizing the design of power supply system made in our country.
通过对三相交流电压的测试试验，验证了该系统的可靠性，可为国产电源系统的设计定型提供依据。
As early as the end of 19th century, people had discovered the distortion problem of voltage and current existing in the distribution system when the alternating current arisen as a newly motive form.
早在19世纪末，当交流电以一种新兴的动力形式出现时，人们就发现了系统中电压、电流存在畸变的问题。
A rectifier converts the power from alternating to direct form, a regulator ensures that the output voltage is properly matched to the battery voltage as engine speed varies.
整流器把电力从交流变为直流形式，调节器在引擎转速不同时确保输出电压与电池电压配合妥当。
The lamp is loaded with an alternating voltage, which has the igniting frequency.
最 终将具有该点火频率的交流电压施加给灯。
The controller case includes stepping motor, self-coupling voltage regulator, alternating-current contactor, relay and micro-transformer.
控制柜主要包括步进电机、自耦调压器、交流接触器、继电器以及微型互感器等。
Transient and surge are the instant aberrance of the voltage and electric current on the simple alternating current wave circuit. surge and harmonic wave are the main manifestation.
瞬变和浪涌是正弦交流波电路上电压与电流的一种瞬时态的畸变。浪涌、谐波为主要的表现形式。
The first voltage and the second voltage are predefined alternating voltages.
第一电压和第二电压是预定的交流电压。
The method on surveying the short point of power cable caused by high voltage using alternating and direct bridge is discussed.
介绍了利用交直流电桥测量电力电缆高压短路点的方法。
Because inorganic thin film EL has no blue color component and must work in alternating current with high voltage up to 100V, fabrication of color super-thin displays will be difficult;
由于无机薄膜EL缺乏高亮度蓝基色成分以及驱动电压是1 0 0V左右的交流，难于制成低压彩色超薄显示器；
The modified types will not be equipped with commutation transformer and the three-phase alternating current power supply directly acquires DC voltage through bridge type rectifier.
改进型不配整流变压器，将三相交流电源直接由桥式整流获得直流电压。
The invention relates to synchronizing an inverter with an alternating voltage source.
本发明涉及使逆变器与交流电压源同步。
Waxes for Capacitor Encapsulation : Applied as encapsulation insulator for metalized capacitor such as self-healing type low voltage power capacitor , alternating motor startup capacitor.
电容器灌封蜡 ：主要用于低压自愈式电力电容器，交流马达启动电容器等金属化电容器的绝缘灌封。
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