查询词典 electric circuit

In this paper,the small signal modeling of the electric rectifier based on limited double poled control scheme is presented,and the control loop circuit is designed.

1引言高频开关电源具有体积小、重量轻、效率高、输出纹波小、动态响应快、控制精度高等特点，广泛应用在大型发电厂、变电站等场合。

DW450 Low Voltage Air Circuit Breaker is a new generation of digitalized and communicative intelligent type ACB jointly by Shanghai Institute of Electric Science and Research Co.

DW450低压万能式断路器是上海电器科学研究所有限公司联合国内有关企业共同开发的新一代数字化可通信智能型低压万能式断路器。

On the base of them, LabVIEW block diagrams and front panels of several main models of electric parameter test are designed.At the same time,the hardware structure of test system is studed,and hardwares such as the data acquisition and signal conditioning circuit and so on are designed.

在此基础上设计出了五个主要电气参数测试模块的虚拟仪器程序框图和前面板，同时研究了测试系统的硬件组成，设计出了数据采集以及信号调理电路等硬件。

Was founded in 1992, is beautiful "paradise" city - Hangzhou, is a commitment to electronic product development, design, manufacturing enterprises, the main development and production of household appliances, electric fans, fans and well-being, Bath Pa, disinfection cabinet, kitchen utensils and all kinds of soot; Lightboxes computer control panel, tools, lights, repair lamps, auto-Re Fengji, multi-functional chargers, car refrigerator, heated storage, all types of vehicles and electronic product development Production; treadmills, screw-board computer, the machine still, Happy Valley and other types of fitness equipment development and production of computer-controller; medical sterilization cabinet, dental curing light, and other medical equipment to some of the development and design circuit boards ; Solar energy product development and design, and so on the development of all types of design and production control.

杭州精一电子有限公司始创于1992年，座落美丽的&天堂&城市——杭州，是一家致力于电子产品的开发、设计、制造企业，主要开发生产家用电器、电风扇、冷暖风机、浴霸、消毒柜、油烟机及各类厨具；灯箱电脑控制板、工具灯、检修灯、车用热风机、多功能充电器、车用冰箱、恒温储存器、车用各类电子产品的开发和生产；跑步机、螺杆机电脑板、踏步机、跑马机等各类健身器材的电脑板控制器开发生产；医用消毒柜、牙科用光固化、及其它的一些医用设备线路板的开发设计；太阳能产品的开发设计等等各类控制的开发设计生产。

To reduce the vibration from blasting and ensure the safety of flood-control wall,the controlled blasting program of non-electric defonation circuit,span-by-span collapse and multilayer delay was adopted.

为减少拆除建筑结构倒塌着地振动，确保近侧防汛墙的安全，采用了非电复式起爆网路，逐跨倒塌或多层爆口延期的控制爆破方案。

A blasting circuit with non-electric bidirectional multi-loop grid is adopted to once-through blast 15 thousand cartridges and 686kg blasting powder, a 3×10^4m^2 workshop is successfully demolished with being fully disjointed, small vibration and a muckpile of 1~3m.

采用非电加强双向多回路网格式爆破网路，一次起爆了1.5万个药包和686kg炸药，成功地爆破拆除了3万平方公尺主厂房。爆破后解体充分，爆破震动小，爆堆高度1~3m，为后期的清运提供了良好的条件。

Axotomized, turn the paper of the cam disconnect switch on the side of the circuit, forcing 3XK press paper cutter and a loss of power, but the operators have not yet had enough time to release the button, turn the paper cutting of the cam over the limit switch 3XK, 4J and 1 c was electric pick-up, gnashing paper cutter does not reset, in this case, a rotating cam on the other side lost your limit switch XM, intermediate relay 5J load-disconnected.

纸张切断后，转动的凸轮一侧断开行程开关3XK的回路，迫使压纸和切纸断电，但是操作者还未来得及松开切纸按钮，转动的凸轮滑过行程开关3XK后，4J和1C仍得电吸合，造成切纸刀不复位，这时，转动的凸轮另一侧断开了行程开关XK，中间继电器5J失电断开。

As is known to all,because of the physical factor,the quality of electric component(such as transformer, generatrix,cable,power capacitor and motor),and the factor of maintenance. The fact of short circuit and abnormal running of the power supply system is inevitable.

众所周知，由于自然条件、电气元件（如变压器、母线、电缆、电力电容器、电动机等）制造质量、运行维护诸方面因素，供电系统发生短路故障或异常运行状态是不可能完全避免的。

The main section of the paper is to design a new type of synthetically protective install for coal electric drill which displays the control of power cut and power transmission to far away ,short circuit,close and leakage of electricity protection.

本论文主要包括设计和开发一种具有远方停送电控制、短路保护和闭锁、漏电保护和闭锁的高可靠的煤电钻综合保护装置。

In this paper,we analysed the problem of the analogue electric control system which was adopted in the shaft hoist in Zhangji coal mine,and put forward the scheme of technical reconstruction by using the digital analogue circuit system.

针对张集煤矿提升机电控系统由模拟电路改造为数字系统，由原有模拟电路所存在的问题入手，分析了其问题所在，并提出了改造方案，从而从根本上解决了原有的问题，数字电控系统具有可靠性高、稳定性好等优点。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐