查询词典 motor-driven

In the power supply lines in intercourse of 50HZ, 3300V, start or end, the main motor of comprehensive explorer, scrap –block transporter, reship, crusher on the floor, motor of oil pump, cool the motor of Fan, start, end, double exchange and control the tape adhesive spread and tighten motor, it can also protect the electromotor and power supply lines.

KJZ3-1550/1140Z 矿用隔爆兼本质安全型智能真空组合开关适用于含有甲烷混合气体、具有煤尘爆炸危险的煤矿井下。在交流50HZ ，电压3300V 的供电线路中，对综采工作面采煤机、刮板运输机、转载机、破碎机起动、停止及双速切换、主、从顺序进行控制，并能对电动机及供电线路进行保护。

Based on accurate step motor system parameters, the state equations describing step motor dynamic characteristics are set up. The operation of the self synchronization closed loop control system is simulated on computer. In the research the principle analysis and system design have been done about self synchronization closed loop operation. The relation between rotating EMF and the rotor position of the step motor is discussed. Through detecting the zero value of rotating EMF the rotor position of the step motor is indirectly obtained.

在得到准确的步进电动机系统参数的基础上，建立了描述步进电动机动态特性的状态方程，并对自同步闭环系统的动态特性进行了计算机仿真在论文的研究中，分析了旋转电势与电机位置的对应关系，通过旋转电势的过零检测间接得到转子位置信号，利用这种"间接传感器"方法实现了步进电动机的自同步闭环控制，论文从原理分析和系统设计两方面进行了研究。

In this thesis, soft starter equipment realized by thyristors power transform circuit is studied. To improve equipment performance, we apply variable reactance technique to AC motor soft starter study. The high voltage AC working winding of reactance is in series with motor winding, while low voltage control winding and thyristors groupware with intelligent controller constitute close loop circuit. We adopt thyristor phase control voltage-regulator mode to control low voltage winding, then control the reactance of high voltage winding, and then arrive at the goal-control the current and voltage of motor AC to realize motor soft starting.

本文研究由晶闸管功率变换电路实现的软起动器装置，为了提高装置的性能，将可变电抗技术应用于交流电机软起动研究中，电抗器的高压交流工作绕组与电动机绕组串接，低压控制绕组与带智能控制器的晶闸管组件组成闭合回路，采用晶闸管相控方式控制低压绕组，从而控制高压绕组的阻抗，以达到对电机电流与电压的控制，最终实现电机软起动的目的。

In the power supply circuits in intercourse of 50HZ, 1140V, start or end the main motor of adhesive tape transportation, motor of oil pump, cool the motor of Fan, start or end of tape adhesive spread and tighten motor, take-up reel, control in order or double exchange, excavate coal machine and also protect the electromotor and power supply lines.

KJZ2-1550/1140Z 矿用隔爆兼本质安全型智能真空组合开关适用于含有甲烷混合气体、具有煤尘爆炸危险的煤矿井下。在交流50HZ ，电压1140V 的供电线路中，对胶带输送机主电机、油泵电机、冷却风扇电机及胶带张紧电机、卷带电机进行起动、停止控制，并能对电动机及供电线路进行保护。

In the power supply circuits in intercourse of 50HZ, 1140V, start or end the main motor of adhesive tape transportation, motor of oil pump, cool the motor of Fan, start or end of tape adhesive spread and tighten motor, take-up reel, control in order or double exchange, excavate coal machine and also protectthe electromotor and power supply lines. CTS control and display discreteness can be set inside.

在交流50HZ，电压1140V的供电线路中，对胶带输送机主电机、油泵电机、冷却风扇电机及胶带张紧电机、卷带电机进行起动、停止控制，并能对电动机及供电线路进行保护。

In the electric motor soft start question, uses the crystal thyratron intelligence module which controls by the singlechip to change the electric motor the initial firing current, the realization soft start; In the protection question, uses the singlechip to monitor the electric motor the movement, to lacks the breakdown implementation to separate the electrical machinery movement immediately, according to certain algorithm judgment electric motor whether crosses the class, like tallies has flowed the condition is the separation electrical machinery movement.

在电动机软起动问题上，采用由单片机控制的晶闸管智能模块改变电动机的起动电流，实现软起动；在保护问题上，采用单片机监视电动机的运行，对缺相故障实行立即断开电机运行，根据一定算法判断电动机是否过流，如符合过流条件即断开电机运行。

The blushless DC motor has been developed intensly in the latest years. This kind of motors have the merits of both the DC motor and the AC motor, including the high power density and small volume. But it needs a complex and expensive control system, which becomes the biggest obstucle for the blushless motor to be further used.

电气传动域中的无刷直流电机近年来得到了飞速的发展，该电机将交流电机和直流电机的优点相结合，并且具有较高的功率密度和较小的体积，但是其控制系统复杂，代价大，这些都困扰着它在民用领域的进一步应用。

MIRDC is engaged in the research to develop the coin type blushless motor since 2005. Additionally MIRDC collaborates with Motor Center of National Cheng Kung University to develop the coin type motor under the considerations of basic motor theories and mass production technology.

本研究与成功大学马达中心合作，自基础学理出发，并纳入量产技术的考量，并在94、95年度，分别成功地开发出采用轴向气隙、轴向磁通设计的ψ17mm x t3mm、ψ15mm x t2.5mm扁薄型直流无刷马达。96年度的研发重点在突破国际现有技术水准，预定开发出ψ12mm x t2.5mm的直流无刷扁薄型马达。

As the main conversional device of mechanical energy to electrical energy, the motor has mainly three types, such as,the DC motor, the synchronous motor, the asynchronous motor .

电动机作为机电能量转换的主要装置，其主要类型有直流电动机、异步电动机和同步电动机三种。

The appearance of brushless DC motor brought the development of EPS a new opportunity. BLDCM does not only possess almost all the advantages of a DC motor, but also has a series unique advantage. The way of taking the place of DC motor by a permanent magnet coreless brushless DC motor gives a totally new method for the development of EPS in the future.

无刷直流电机的出现为电动助力转向的发展带来了新的机遇，它不仅具有几乎直流电机的全部优点，同时还具有一系列无可比拟的优势，特别是采用无铁心永磁无刷直流电机代替普通直流电机，不失为今后电动助力转向发展的一种全新思路。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。