这个白色的像个砖块似的玩意比一般的交流电压适配器稍大点，任何地方都可以放得下。
The device is a small white brick-just a little bigger than a regular AC adapter-that can fit just about anywhere.
我想生产出高的交流电压，所以我可以连接到一个网格领带这个逆变器。
I want to produce high AC voltages so I can connect this to a grid tie inverter.
开关电源把直流电源或交流电源通过它可以获得一个稳定的直流电压源。
Switching power supply or DC power to AC power through it will be a stable DC voltage source.
交流电路中的有用功率还取决于该电路中的电流和电压。
The useful power in ac circuit also depends on the current and voltage in the circuit.
直流电流源或电压源。可指定交流分量的大小。
DC current or voltage source. Magnitude of AC component can be specified.
信号控制电缆采用能耐交流额定电压500伏以上的铜芯电缆。
Signal control cable applied the copper cored cable which may withstand 500 AC rated voltage.
它具有效率高，输出电压稳定，交流纹波小，体积小和重量轻的许多优点。
It has high efficiency and output voltage stability, exchange ripple small, small size and light weight of the many advantages.
当交流分量的频率增加时，直流仪表的响应就会变得不够快，直到在某一频率时，仪表只能显示出输入电压的平均值。
As the frequency of the AC component increases, the DC meter response decreases, until at some frequency only the average input voltage will be displayed.
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。
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).
使用于交流额定电压450/750V及以下各种移动式电机、钢铁、航空、电厂、石化等高温环境中使用。
Used in AC rated voltage 450/750V and below a variety of mobile motors, steel, aviation, power plants, petrochemical and other high temperature environment.
本文介绍了空间电压矢量脉宽调制(SVPWM)的基本原理，并应用此原理进行了交流光伏水泵系统的设计。
This paper introduces the basic theory of space-vector PWM (SVPWM), and designs the ac photovoltaic water pump system on the basics of this theory.
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。
Step down transformers provide low voltage AC power for lighting, instruments and other circuits that use alternating current at a lower voltage.
详细分析了交流接触器在不同使用条件下的闭合与分断时触点两端电压与回路电流情况，并研究了AC1～AC4工作制下的控制时序。
The conditions of voltage between contactors and current in main circuit under different using types are analyzed in detail, then designed the control sequences with working mode AC1-AC4.
如果输入端的交流电压很大，其一部分信号被整流，于是在被测的直流信号中产生了误差。
If the AC voltage at the input is large, part of this signal is rectified, producing an error in the DC signal being measured.
交流(ac)信号产生的电弧通常在电压通过零点时就会自己熄灭。
An arc due to an AC signal usually quenches itself as soon as the voltage level passes through zero.
该设计可以对交流电压快速准确的变化，满足一些厂家的应用要求。
It can adapt and veracious transform the fast changeable voltage, which can be satisfied special requirements for customers.
对电容式加速度计，为测量其电容的变化，通常需要带直流偏置的交流电压信号来驱动。
For capacitive sensing, driving signal with DC bias voltage and ac voltage is usually necessary for the measurement of capacitance.
购买温度自动调节器：离家之时，用它来降温或者提高交流电压以省电。墦。
Buy ya programmable thermostat. Set it to lower the heat or raise the AC when you're not home.
对于交流电压测量﹐利用有效值转换电路或精密整流器电路将交流信号转换成直流电压。
For AC voltage measurement, an RMS converter circuit or a precision rectifier circuit convert the AC signal into a DC voltage.
针对GJB152A- 97交流供电cs 101试验中存在的问题，提出了一种新的干扰电压的注入和监测方法。
According to some problems occurred eventually in GJB152A-97 CS101 test of AC power supply, a new method of injecting and checking the disturbance voltage is presented in this paper.
为了对比一个已知直流参考的未知交流信号热效应，计量人员可以确定在一段时间内直流的交流有效值(电压或电流)。
By comparing the heating effect of an unknown AC signal to that from a known DC reference, metrologists can determine the RMS AC quantity (voltage or current) in terms of the DC quantity.
可在交流或直流电压。
在连接交流电源之前，请验证交流电压、相位和频率是否与控制装置外壳门参数板上的相应数据相同。
Verify ac line voltage phase and frequency with the controller data plate on the enclosure door prior to connecting ac power.
交流供电的源通常具有很高电平的电源频率共模电压(常常有几伏)。
An AC powered source usually has a significant level (often several volts) of line frequency common mode voltage.
我们设计了一套航空用交流励磁发电机系统，以保证输出电压恒频恒压。
We design a suit of aviation AC excitation generator system, it insures the output voltage is constant frequency and constant 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。
It is common for the direct current circuit to be interfered by alternating current voltage.
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.
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。
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.
该方法就是在恒定交流鼠笼异步电动机之间接入晶闸管作为交流电压控制器。
The method is in a constant exchange between the squirrel cage induction motor access SCR as AC voltage controller.
交流电流源或电压源。可指定直流偏移。
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