查询词典 contactor

The control of contactor with a new type of permanent magnet actuator is studied in this thesis.

本文对一种新型永磁机构接触器的控制进行了研究。

Especially the high performance of permanent alnico magnet, with its high coercive force and stability, lower coefficient of Br and excellent temperature stability, can be used in aviation and space flight that need relay, short circuiter, contactor, etc.

特别是高性能的永久磁铁磁钢，其高矫顽力和稳定性，降低系数的Br和良好的温度稳定性，可用于航空和航天飞行需要中继，短期circuiter ，接触器等

Since the lotus root decompression for the box to start the counter protective structure, there are auto-transformers, AC contactor, smart motor protectors digital display components, etc., and below 75 kilowatts for the products, the Department of the use of automatic control mode, and more than 80 kilowatts of products, with two automatic control mode manually, by the change-over switch to switch, smart motor protectors digital display of 0 ~ 240 seconds can be automatically adjusted to control start-up time, prepared autotransformer 60 percent have a rated voltage (65%) and 80% tap two groups, then the factory in 60%(65%) on tap, if you need a larger starting torque, which can be accessed by 80% in the tap, and there are overload, and loss of pressure off the protection.

自藕减压启动柜为箱式防护结构，有自耦变压器、交流接触器、智能数显电机保护器(时间继电器、时间继电器)等元件组成，对于75千瓦及以下的产品，系采用自动控制方式，80千瓦及以上的产品，具有手动自动两种控制方式，由转换开关进行切换，智能数显电机保护器在0～240秒内可以自动调节控制起动时间，自耦变压器备有额定电压60％（65％）及80％二组抽头，出厂时接在60％（65％）抽头上，如果用户需要用较大的起动转矩，可接在80％抽头上，并有过载、断相及失压保护。

The direction of electric machinery is the two inverting contactor that outside passing, receives, in control unit control falls, direction of switch of 0 electric current, won't produce alternate with circumfluent.

电机的方向是通过外接的两个换向接触器，在控制单元的控制下，零电流切换方向，不会产生相间环流。

The directional changeover of electric machinery is the two inverting contactor that outside passing, receives, in control unit control falls, switch way leaves in 0 electric current, won't produce alternate with circumfluent.

电机的方向转换是通过外接的两个换向接触器，在控制单元的控制下，在零电流下切换方向，不会产生相间环流。

Control system is an important part of contactor with permanent magnet actuator and it will influence the characteristic of contactor.

控制系统是永磁机构接触器的重要组成部分，其控制方案的优劣直接影响到整个接触器的性能。

Simulation and experiment results show that the mathematical model of AC contactor is correct; the testing system not only can fulfill its functions, but also can provide reference for AC contactor's design or manufacture and popularize to other equipments power quality susceptivity test.

仿真和试验所得结果可以为交流接触器在生产过程中的测试提供参考，并能推广到对其它用电设备进行电能质量敏感度测试。

A new technology of controllable dynamic hybrid DC contactor was developed based on the functional advantages of fully-controlled power electronic switch and DC contactor.

基于全控型电力电子开关与直流接触器的性能优势互补，开发了一种动态行为可控的混合型直流接触器新技术。

After the reason that contactor often mangled before certain master hook control system was alternated was analyzed,SDMK1 switch replacing contactor was presented.

分析了某主钩控制系统改造前时接触器经常损坏的原因，提出用SDMK l开关取代接触器进行天车控制系统改造。

That this dissertation is designed is 63A three pole AC Contactor,The base draing lessons from external sames produce design idea and the analysis prototype of a machine being living is geted off ,The magnetic field that the three dimensions finites element baseded on were analysed electromagnetism system inside distributes , and adopts the ANSYS software to the exchange contactor electromagnetic iron to have carried on optimization and design ,Selecing the most splendid design scheme design .

摘 要：本次论文设计的是63A三极交流接触器，在借鉴国外同类产品的设计思想和分析样机的基础下，基于三维有限元分析了电磁系统内部的磁场分布，采用ANSYS软件对交流接触器电磁铁进行了优化设计，选取最优的设计方案进行设计。

I can't say anything hurtful about anyone.

我不能说任何伤害人左右。

She was a short fat woman , garbed in a very tight , very gaudy red dress .

大冬天的，我们穿两件毛衣她却穿件短袖，不停地扇扇子，一个劲叫热。