It designs and makes a constant current power supply equipment used in measurement.
介绍一种计量用恒流电源装置的设计和制作过程。
There are two problems concerning the current power supply pattern of urban rail transit.
目前的城轨交通供电模式存在两个问题。
During choose the direct current power supply, pay attention to the negative and positive.
选用直流供电时，注意正负极标识。
The direct current power supply system controlled by power-electronics converters will be used widely.
变换器控制的直流供电系统的应用将越来越广。
At present, iontophoresis apparatus is a method that direct current power supply, or pulse electric current power supply.
目前，电离子导入仪主要采用的是直流电激励导入，或是脉冲电导入的方法。
MPS700 series dc voltage constant-current power supply, is designed by using linear series MOSFET control mode of the ac input dc output power.
MPS700系列直流稳压稳流电源，是采用MOSFE T线性串联调整方式设计的交流输入直流输出电源。
This experiment has designed take monolithic integrated circuit 89C51 as the basic control core simple numerical control direct-current power supply.
本实验设计了一个以单片机89C51为基本控制核心的简易电流电压信号发生器。
Further, direct current power supply is utilized to recharge the batteries in parallel connection, thereby increasing the efficiency of balancing voltage.
本发明还利用直流电源对并联电池进行充电，进一步提高了电压平衡的效率。
It introduces circuit structure, operating principle and solves problems of temperature shift and dc constant-current power supply quality effect on measuring accuracy.
文章介绍了电路结构和工作原理以及消除引线电阻、电阻应变片的温度漂移和直流稳流电源供电质量对测量准确度的影响等问题。
Finally, we can learn by experiments that the limited efficiency improvements can be achieved by using synchronous rectification in a low voltage, high current power supply.
最后通过实验得出结论，同步整流是低压、大电流电源中提高效率的有效方法。
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。
Firstly, this paper describes an overview of enterprise safety evaluation from aims, contents, methods and meanings, as well as the status of China's current power supply enterprises.
本文首先从评价目的、内容、方法、意义等方面描述了供电企业安全性评价的概况以及我国目前供电企业安全性的现状。
DC constant current power supply circuit based on current closed-loop feedback control is brought (forward) in this paper and how to design the circuit is also emphatically introduced.
开发了一种基于电流闭环反馈控制的数控直流恒流源，介绍了该电路的设计思路。
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。
It stands to lose over 70 percent of its current electricity supply when South Africa, recently beset by power shortages, halts energy exports to Botswana by 2013.
如果最近遭遇了电力短缺的南非在2013年停止向博茨瓦纳出口能源的话，它将失去目前电力供应的70%以上。
The geography of solar power is obviously different from the nation's current supply scheme.
太阳能发电站的地理位置与国家电流供应计划是明显不同的。
The primary power supply is powered from the mains supply and energizes a lumped coil; the current ranges anywhere from 5 to125 amps.
主要的电力供给是来自市电电源并通过一个集合线圈激发；电流范围从5到125安培。
The power supply is well regulated to minimize ripples as well to deliver a steady predictable current, under varying loads such as those found in plating tanks.
很好地调节电源使波动最小化并在载荷变化情况(如同电镀容器中看到的那样)下提供稳定的可预知电流。
Lower source impedance to the switching power supply under test, thus it can deliver higher peak current.
对测试中开关电源提供更低的源阻抗﹐因此它会传送更高的峰值电流。
It and reversing current different is not to be, but with a anode intermittently stop, because the intermittent power supply current interrupted, cathode potential with time periodically change.
它与换向电流所不同的是不把镀件作阳极，而是间歇地停止供电，由于间歇中断电流，阴极电位随时间周期性地变化。
The quantities are usually a voltage or current in switching power supply testing.
这个电量通常是指开关电源测试中的电压或电流。
The load current is calculated from the supply voltage and the load power.
负载电流的计算应该根据工作电压和负载的功率计算。
What's the maximum power the dock can supply? Is there any source of direct current?
这个船坞能供电的最大功率是多少？有直流电源吗？
The stability of voltage and current output from HV DC power supply is very important for generating a stable HV electric field.
直流高压电源输出电压和电流的稳定性，对产生稳定的电晕电场极为重要。
The stability of voltage and current output from HV DC power supply is very important for generating a stable HV electric field.
直流高压电源输出电压和电流的稳定性 ，对产生稳定的电晕电场极为重要。
The load is chosen to emulate the current draw the power supply undergoes in its intended application.
所选的负载要能够模拟电源在实际应用中的电流。
AC source may not deliver current to blow the fuse in a power supply, it is not suitable for abnormal test.
交流源不会提供足以烧断电源保险丝的电流﹐因此不适合非正常测试。
On the railway of electrization, power supply mode is requested to be the single-phase alternating current.
在铁道电气化牵引区段，牵引供电网采用单相工频交流电供电方式。
The transient state of the transient event also includes LED switching on the power supply, or transient transient current when the plug is connected.
形成瞬态过流事情的状况还包括LED接通电源，或是带电插拔时的瞬态过电流。
The transient state of the transient event also includes LED switching on the power supply, or transient transient current when the plug is connected.
形成瞬态过流事情的状况还包括LED接通电源，或是带电插拔时的瞬态过电流。
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