电源电压

Do not supply power voltage higher than the rating voltage, which may cause fire or systematic damage.

不要使用高于额定工作电压的电源，使用高于本产品额定电源可能会引起火灾或系统损毁。

An analog control, in accordance with corresponding changes in the load modulation transistor gate of the base or bias, to achieve the output transistor switching power supply or transistor turn-on time of change in this way can the power supply output voltage in the workplace Conditions of constant change.

一种模拟控制方式，根据相应载荷的变化来调制晶体管栅极或基极的偏置，来实现开关稳压电源输出晶体管或晶体管导通时间的改变，这种方式能使电源的输出电压在工作条件变化时保持恒定。

Because a bulk smoothing capacitor is usually installed on the DC side of many AC to DC converters, the characteristics of harmonic loads will be influenced by this capacitor. Nowadays, shunt active power filters can't reduce harmonics effectively for this voltage type harmonic-producing load. Therefore, a series active power filter is designed to meet the requirements of voltage-sourced harmonic loads. Both source current and load voltage are detected in order to reach the compensation voltage for the SAPF.

由於许多交直流电源转换器均在直流端并联一直流电容以作为稳压之用，此大电容将造成负载谐波特性的改变；此类谐波源负载，如果使用现今常见的并联型主动式电力滤波器并不能很有效解决此类谐波问题；因此本文将采用串联型主动式电力滤波器，并配合同时量测电源电流及负载电压的混合式控制模式，即可有效解决此类谐波问题。

A state variable feedback based system control approach, which indirectly controls load voltage by means of controlling the supply current, is proposed, thus the problem that the undamped DC transient component of supply current, which is caused by the linking inductance between power supply and power loads under PI control mode, is solved.

分析了仅由1套逆变器构成的并联型综合电能质量调节器的结构特点和控制目标，提出了一种基于状态变量反馈的系统控制方法，通过控制电源电流来间接控制负载电压，很好地解决了常规比例–积分控制时电源和负载间的连接电感所导致的供电电流直流暂态分量不衰减的问题。

A DC-to-DC converter includes a pulse width modulation circuit cooperating with at least one power switch for supplying power from a source to a load over a range between a lower limit and an upper limit to thereby control an output voltage for the load.

一种直流-直流转换器，包括一个与至少一个的电源开关协作，以在一个上限和下限的范围内由电源向负载供电，从而为负载控制输出电压的脉宽调制电路。

Power system is an essential component of the Automotive electronic, voltage regulator of is the key component and the higher levels of technology in power supply system.

电源系统是汽车电子中不可或缺的重要组成部分，而电压调整器又是电源系统中技术含量较高的关键部件。

The result of experiment manifests switching mode voltage stabilizer have the quality of higher frequency response and higher regulation of voltage and burden,it is a switching mode voltage stabilizer with better performance.

实验结果表明，该开关稳压电源具有频响快、电压调整率和负载调整率高的特点，是一种性能较好的开关稳压电源。

Vacuum rectifiers were made for very high voltages, such as the high voltage power supply for the 电视接收器中的阴极射线管, and the kenotron used for power supply in X射线 equipment.

真空整流器所做的如在电视接收器中的阴极射线管，和 X射线设备中电源用的 kenotron 高压电源的高电压。

It compared with traditional manostat with easy operation, high stability of power and its output voltage size using digital display characteristics.

它与传统的稳压电源相比具有操作方便，电源稳定性高以及其输出电压大小采用数码显示的特点。

The power circuit passes through the live pressure, the rectification, after the filter, after three end integration manostat 7805 output stable 5V DC voltage, takes program timer's main power source.

电源电路经变压，整流，滤波后经三端集成稳压器7805输出稳定的5V直流电压，作为程序控制器的主电源。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷