查询词典 motor-driven

These Procedures are formulated in order to implement the Decision made by the Standing Committee of the Shanghai Municipal Peoples Congress on the Revision of the Regulations of Shanghai Municipality on Road Traffic Administration and to strengthen step by step the administration of motor tricars (including special motor tricars for the disabled, the same below).

为了实施上海市人大常委会《关于修改＜上海市道路交通管理条例＞的决定》有步骤地加强有动力装置的三轮车（包括有动力装置的残疾人专用车，下同）的管理，制定本办法。

The black U-shaped thing on the back of the motor is a rear motor mount I designed and built.

黑色U形的事情后面的汽车是一个后方电机装入本人设计和建造。

This study is done for the first time in domestictOrpedo business, the mathematic model of cowterrotating motor is established andsome sPecial characteristics of torpedos drive cowterrotating DC motor under theload of constant torque or the load of cowterrotating propellers are exposited.

这项研究在国内同行中还是首次进行，它建立了鱼雷双转推进电机的数学模型，揭示了鱼雷双转推进电机在恒力矩负载和对转螺旋桨负载下的一些特殊特性。

All compressors have an oil sump heater with primary external motor temperature protection and internal, secondary motor temperature protection.

所有的压缩机带有一个油箱加热器以及外部主驱动马达和内部二级马达的温度保护装置。

Submersible oil-pumping unit linear synchronous motor, as the name suggests is the linear synchronous motor mounted on the underground pumping unit.

潜油式直线同步电机抽油机，顾名思义就是直线同步电机装在井下的抽油机。

Open-phase protection of motor damage, mostly caused by off-phase operation, and people running off to the motor of what kind of harm, what should be taken to protect the right way, so far there is no more or less the same views.

断相保护电动机损坏，大多数是断相运行造成的，而人们对断相运行给电机造成什么样的危害，应采取什么样的保护方式合适，至今尚没有比较一致的意见。

Through theoretical analysis and calculation current change relations of three common open-phase of a three-phase asynchonous motor are derived in the paper and discusses protective action of bimetallic trip thermorelay in open-phase running of three-phase asynchronous motor according to its basis.

通过理论分析和计算，推导出了三相异步电动机三种常见断相形式的电流变化关系，并以此为依据对双金属片式热继电器在三相异步电动机的断相运行中的保护作用给予评述。

The following functions can be realized: Measuerment:the effective values of three phase current and voltage, power frequency, active power, reactive power, power factor etc. Motor control: direct starting, converse starting, star and triangle starting, self-starting. Protection:thermal overload protection, current leakage protection, open-phase protection, three-phase unbalance protection, over voltage protection, loss voltage protection, low load protection and fault warning and fault dates memory. Communication: communication of the computer in control room and the microcomputer monitor in the spots is realized by the interface of RS-485. The motor is not only controlled in the spots but also in control room. The dates, information and some functions are shared by the spots and control room too.

该电动机监控器以80C196KC单片机为核心，通过采样三相电流﹑电压信号来实现以下功能：三相电流﹑电压有效值，电网频率，有功功率，无功功率及功率因数等的测量；对电动机实现直接、正反转、星三角及自起动控制；对电动机实现热过载、漏电、断相、三相不平衡、过压、欠压及轻载保护，对故障进行报警及数据记忆；通过RS-485串行接口与中央控制室计算机实现通信功能，对电动机既可本地，也可远程控制；实现控制现场与控制室之间数据、信息、功能共享。

The boost converter is a voltage step-up and current step-down converter .the current source is synthesized from a DC voltage source by adding a large value inductor in series .in DC regulated power supply applications ,the voltage sink represents a large value capacitor in parallel with the load resistance .in the application of the DC motor control ,the voltage sink represents the back emf of the DC motor .the switching action produces a pulsating current .the capacitive filter smoothens the pulsating current and provides a DC voltage to the load

升压转换器是一个升压和降流的转换器。电流源是一个直流电压源添加一个大值电感串联合成的。在直流稳压电源的应用，电压降代表一个大值电容并联一个负载电阻。在直流电机的控制应用中，电压降代表反电动势的直流电机。转换行为产生一个脉动电流。一个滤波电容是这个脉动电流平和并且提供直流的电压负荷。

To compare with traditional EVT system, reserved some advantages, such as two rotors can run at different speed, and so on. The innovations of BL-DMPM included:① No brush and slide rings were needed, so simpled the structure of motor, and improved the reliability.② The rated speed of two rotors can be different according to selection of pole numbers, so the proposed motor was more appropriate than the traditional one when it was used in hybrid electrical vehicle, where large torque at low speed was needed.

它保留了传统双机械端口电机的主要优点，如两个机械端口可运行在不同转速和可无极连续变速等，而取消了传统双机械端口电机中的电刷和滑环，简化了电机结构，提高了可靠性，可以设计成使两个机械转子的额定转速相差很大，从而更适用于需要低速大力矩的混合动力汽车等场合。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。