Automatic exchange for DC and AC supply.
直流电源与交流供电能自动转换。
Remove the AC supply lead before servicing or cleaning heads, rollers etc.
切断交流电源才能维修、清洗磁头、压轮等部件。
Selector Setting should be checked to see that it conforms to the local AC supply voltage.
必须查看本机交流电压选择器之预调状态是否符合本地交流电压。
The voltage Selector Setting should be checked to see that it conforms to the local AC supply voltage.
必须查看本机交流电压选择器之预调状态是否符合本地交流电压。
A three phase full resonant cyclo-converter suitable for converting a three phase AC supply to a DC output.
一种适用于将三相ac电源转换为DC输出的三相全谐振环形转换器。
This paper presented a thyristor controlled single-phase to three-phase converter suitable for driving an induction motor with a single-phase AC supply.
提出一种单相电源供电时适用于异步电机传动的单相–三相变换器。
In the paper, it is concluded that the stable and safe Sinusoidal ac Supply selecting UPS is supplied to network center and control center in the packaging industry.
分析表明，选用UPS能够对包装行业中的网络中心、控制中心提供稳定、安全的交流电源。
In partnership with the Finlay Institute in Cuba, Bio-Manguinhos is working with WHO to ensure a supply of up to 10 million doses of bivalent ac meningitis vaccine by the next epidemic season.
与古巴的芬莱研究所合作，Bio - Manguinhos正在与世卫组织合作，确保在下一个流行季节之前供应多达1000万剂二价AC群脑膜炎疫苗。
Switching power supply or DC power to AC power through it will be a stable DC voltage source.
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。
The result suggested that the designed rectangular pulse AC power supply could satisfy the requirements above.
结果表明，所设计的矩形波脉冲交流电源能够满足以上要求。
The electronic equipment is widely applied to aircraft electric power system, so power quality problems in AC main power supply system cause more and more attention.
在飞机电气系统中，随着电力电子装置的广泛应用，交流供电系统的电能质量问题受到越来越多的关注。
In this article take two-phase pure sine power supply for example, introducing the construction, principle, characteristics and experiment result of a kind of two roads ac power supply.
文章以两相的纯净正弦电源为例，介绍一种两路交流电源的结构、原理、特点和实验结果。
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。
Heat meters designed to operate from an ac mains supply shall be wired in accordance with wiring regulations applicable.
温度传感器由AC交流电源供应，配备的电线符合电线规章。
Professional supply schneider LC1D ac contactor. Low consumption, long life, safe and reliable, energy saving, high quality silver contact, high fusion welding and electrical wear resistant ability.
专业供应施耐德lc1d交流接触器。功耗小、寿命长、安全可靠、节能、优质银触点、高抗熔焊及耐电磨损能力。
The normal type of drive power supply with multiple isolated outputs including the dominance and weakness are introduced, focusing on the type based on current AC-bus.
介绍了现有常用高压隔离驱动电源的类型及其优缺点，重点介绍基于电流型交流母线的高压隔离驱动电源。
In the paper, an electrical power system of base station is introduced in detail, including AC power supply system, DC power supply system and earthing system.
文中介绍了通信基站的电源系统，包括交流供电系统、直流供电系统和接地系统，论述了等电位在基站建设中的重要性。
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。
In the first chapter, studying the structure and running performance include the DC traction power supply and ac power supply system.
本篇论文第一章研究了城市铁路供电系统(包括直流牵引供电系统和交流供电系统)的构成和运行方式。
The power supply for traditional network equipment all need local AC power source, which increases the cost of network base construction and may affect the network equipment once the power is cut off.
传统网络设备的供电都需要本地交流电源来提供电能，不但增加了网络基础建设的成本，而且网络设备还可能受到电网掉电的影响。
It is a convenient and high efficiency power converter that gives a solution for AC power supply in the cars.
解决了车上的交流供电问题，是一种高效方便的电源转换设备。
Based on the introduction of components and principle of work of frequency modulation system of constant frequency AC power supply, math model of frequency modulation system is established.
在介绍某型恒频交流电源频率调节系统的组成和工作原理的基础上，建立频率调节系统的数学模型。
However, when the hi terminal of the electrometer is connected to the low impedance power supply, this AC current (I) flows through the electrometer (im), as illustrated in Figure 2-41.
然而，如果静电计的HI端连到电源的低阻端，则该交流电流(i)就流过静电计(IM)，如图2 - 41所示。
Because the AC asynchronous motor 'synchronous speed is determined by the frequency, we can control the AC asynchronous motor' speed by changing the supply power's frequency.
交流变频调速系统是利用异步交流电动机的同步转速随频率变化的特性，通过改变电机的供电频率而进行调速。
On the other hand, since traction power supply network is a AC-DC network, its running modes are complicated.
另一方面，地铁牵引供电网络是一个交直流混合的网络，运行方式较为复杂。
Based on the need to develop and test the products, a single phase DSPbasedprogrammable AC power supply is designed.
基于产品研发和测试的需要，本课题设计了一种单相可编程交流电源。
To assure a steady power supply, this instrument must be configured with AC purified regulated power.
仪器应配有交流净化稳压电源，以保证电压稳定。
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.
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。
In this paper, an aeronautic test AC power supply based on DSP is proposed.
介绍了一种基于DSP的航空测试交流电源。
In this paper, an aeronautic test AC power supply based on DSP is proposed.
介绍了一种基于DSP的航空测试交流电源。
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