查询词典 power supply

ABSTRACT: With the development of the times, digital electronic technology has been popular in all of our lives, work, research, and all fields. This paper introduces a NC DC power supply, the power consists of analogue power supply, display circuit, control circuit, digital-to-analog converter and circuit amplifier.

随着时代的发展，数字电子技术已经普及到我们生活，工作，科研，各个领域，本文将介绍一种数控稳压电源，本电源由模拟电源、显示电路、控制电路、数模转换电路、放大电路五部分组成。

This paper introduces a NC DC power supply, the power consists of analogue power supply, display circuit, control circuit, digital-to-analog converter and circuit amplifier.

模拟电源提供各个芯片电源、数码管、放大器所需电压；显示电路用于显示电源输出电压的大小。

In order to study the negativesequence influence to regional power grid caused by autotransformer traction power supply system, formulas of NSeq current and threephase voltage imbalance were derived, based on current distribution analysis of AT traction power supply system and singlephase VVconfiguration train substation. Employing the "train diagram" method, the realtime voltageimbalance curve was obtained in a simulation study, as well as the factors that influence NSeq and some measures to restrain it.

为研究自耦变压器牵引供电系统对地区电网造成的负序影响，首先讨论了AT牵引供电系统、单相VV接线牵引变电站的电流分布，推导得出了负序电流、三相电压不平衡度的计算公式；然后结合"列车运行图法"开发了相应的仿真程序；最后通过一个实际算例，得到了实时电压不平衡度曲线，指出了负序大小的影响因素及相应措施。

SHEN ZHEN CASSON TECHNOLOGY CO., LTD. is a trading company specialized in switching power engineering and manufacturing. With extensive experience in Switching Power Supply and Linear Power Supply product, we can provide flexible, efficient and reliable custom-made solutions to meet our customers' needs.

深圳市凯迅科技有限公司是一家专门从事开关电源开发设计、生产、销售与服务的专业厂商，拥有多年的开关电源开发设计、生产、销售与服务经验，能灵活高效地根据客户要求为客户提供全面的电源解决方案。

The millionaire with some state of province pedestal in Zhejiang, the private car after superhighway Tu meeting a stage manners, meeting with accident to turn over a car, the whole body being harm, cellular phone but Mayday to cry for help, thunder-storm handing over to add win Tu remind of friend present of ten thousand using battery, taking out to connect to cry for help escape from danger with cellular phone, harm more look for to me department to requite favors by purchasing a product, sunlight power supply supply use at inshore fisherman's company, the effect be better, and request group everybody of the company be essential ten thousand use power supply, in order to prevent unpredictable of use.

浙江省台州某亿万富翁，私车于高速公路突遇台风，遇险翻车，满身是伤，手机却无电呼救，雷雨交加中突想起友人赠送的万用电池，取出接与手机呼救脱险，伤愈后，寻来我司以购置产品报恩，阳光电源则供应于近海渔民商用，效果较好，并要求集团公司每人必备万用电源，以防不测之用。

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。

And then, they, how to upgrade the technical capability of inverter welding power supply by bringing the dominance of digital control into play fully, and how to realize the soft-switching of power semiconductor devices in the full-load range of inverter welding power supply by making the digital control cooperation with power converter closely, are set forth.

在介绍数字化控制焊接逆变电源内涵和发展历程的基础上，阐述了如何充分发挥数字化控制的优势，全面提升焊接逆变电源的工艺性能，以及如何通过数字化控制和功率变换电路的紧密配合，实现焊接逆变电源的全负载范围功率器件软开关。

Along with the electric power electronic technology's development and the innovation, cause the switching power supply technology to innovate unceasingly, this cost point of inversion to the low output electric power end migration, this has provided the widespread development opportunities day by day for the switching power supply.

随着电力电子技术的发展和创新，使得开关电源技术在不断地创新，这一成本反转点日益向低输出电力端移动，这为开关电源提供了广泛的发展空间。

Along with the electric power electronic technology development and the innovation, causes the switching power supply technology in to innovate unceasingly, this cost point of inversion to the low output electric power end migration, this has provided the widespread development space day by day for the switching power supply.

随着电力电子技术的发展和创新，使得开关电源技术在不断地创新，这一成本反转点日益向低输出电力端移动，这为开关电源提供了广泛的发展空间。

Experimental results showed the full bridge resonant laser power supply reaches the index of high power and efficiency; has the advantages of small volume, light weight and high precision; can make full use of the rated value of power switch and the power supply even more reliable.

实验表明，基于CPLD的全桥谐振式激光电源能够达到大功率，高效率的技术指标；具有体积小，重量轻，精度高的特点；能更充分合理的利用功率管的定额参数，使电源工作运行更加可靠。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。