Because the most torque an electric motor has is at zero speed.
因为电动马达的最大力矩处于零速度。
Ferrari’s experimental 599 has the car’s V12 engine coupled to a seven-speed automated gearbox which also contains an electric motor.
法拉利的实验型599装备了一台12缸的内燃机和一个七档位的自动变速器，同样，它也有一个电动马达。
Article 58 When a motor wheel chair vehicle of a disabled person or an electric bicycle is running within the non-motor vehicle lane, the maximum speed per hour shall not exceed 15 kilometers.
第五十八条残疾人机动轮椅车、电动自行车在非机动车道内行驶时，最高时速不得超过十五公里。
Hyundai USES a 30-kilowatt electric motor between the 169-horsepower, 2.4-liter gasoline engine and a six-speed automatic transmission.
现代在一部2.4升169马力的汽油发动机和一具六档自动变速箱之间装备了一部30千瓦的电动机。
Powerful 600 watt electric motor allows the bike to travel for more than 100 miles on a single charge with top speed of 20 mph.
这种自行车配有强大的600瓦特电瓶，充电一次就可以让自行车以最高时速20mph（32公里每小时）行驶100英里（161公里）以上。
The Tesla's rapid acceleration comes from the ability of an electric motor to deliver its maximum amount of torque at whatever speed the motor is turning.
Tesla的强劲加速力来自一款无论在何种转速下都能释放最大扭矩的电动引擎。
The control part is: control drag balancing machine motor start and stop and speed components, also called electric control box.
电控部分：是控制拖动动平衡机电机的启动和停止及调速的部件，也叫电控箱。
The paper introduces the main performance indexes of double speed three phase asynchronous motor used in electric chain hoist and the problems which occor in the test and manufacture process.
本文介绍了电动环链葫芦用三相双速异步电动机的主要性能指标以及在试制过程中遇到的问题。
This paper presented an optimization design method of Combined PM-Reluctance Motor(CPMR) for extending speed range with constant output power used in electric vehicles.
提出了一种能够在宽调速范围内实现恒功率运行的电动汽车驱动用复合转子结构永磁磁阻（CPMR）电机的最优设计方法。
High torque to weight ratio, high efficiency and wide speed range should be the qualities possessed of by the motor drive systems in Electric Vehicles.
电动汽车中的电机驱动系统应该具有高转矩重量比、高效率以及宽广调速范围等特点。
This grinder use electric spindle which hold by ceramic ball bearing as high-speed spindle system, and use linear motor as precision feed system.
该磨床选用陶瓷球轴承电主轴作为高速主轴系统，利用直线电机作为高速精密进给系统。
The electric drive system consists of motor, fixed speed ratio and differential.
由电动机、固定速比和差速器组成电力驱动系统。
The Electric Beveler EB24R comes with an AC induction motor which offers even cutting speed, longer durability, lower noise and excellent torque characteristics.
EB24R管板两用坡口机带有一个AC感应电机，提供甚至切割速度，较长的耐久性，降低噪音和卓越的转矩特性。
The base speed and maximum speed of traction motor determine the acceleration performance of electric vehicle.
电机基速和最高转速的选择对整车的加速性能起着决定作用。
Systematic composition includes a handcart mainly avoiding blocker sensor part, Electric motor control section, Speed couples back part and ARM implants dyadic system core control section.
小车系统的组成主要包括避障传感器部分，电机控制部分，速度反馈部分以及ARM嵌入式系统核心控制部分。
A speed identification method based on recursive least square (RLS) algorithm is introduced into electric power steering (EPS) system for estimating the speed of EPS motor.
将基于递推最小二乘算法的转速在线辨识方法引入电动助力转向系统中，以估计助力电动机的转速。
Continuous Mills Dual Motor Differential Drive (DMDD) Speed Control System is a newly developed em, in which both electric and mechanic methods are used.
双机联合拖动差动调速连轧机调速系统，是一种电气和机械方法并用的新型调速系统。
Working theories and technique features of a new air compressor-turbine module driven by high-speed electric motor were introduced.
介绍了一种高速电机驱动的新型涡轮-压气机组件的工作原理和设计方法，并对组件进行了性能试验。
The design of the speed control system of brushless DC motor based on SPMC65P2404A is implemented, which used in the electric-bicycle.
以SPMC65 P 2404 A单片机为核心，设计了一种用于电动自行车的无刷直流电动机调速控制系统。
This paper introduces a new method of the mining electric locomotive, which is droved by AC asynchronous motor, speed-control system.
提出了一种新的由交流异步电动机拖动的矿井电机车调速系统。
This article analyses the loss of power of electric motor, and tells that pressure and speed adjustment of the pump not only save energy but also not lead to over heated of the electric motor.
分析电动机功率损耗，阐述了泵类负载调压调速不仅可以大幅度地节能，而且不会造成电机过热。
Nowadays, the speed sensorless vector control system of induction motor is one of the hot topics in the field of electric drive system.
无速度传感器异步电机矢量控制系统是目前电气传动系统中研究热点之一。
The driving motor can rotate in different speed automatically while the electric stove in corresponding position and the flow of the electric stove can k...
实现了驱动电机在电炉不同旋转位置能自动采用不同的旋转速度，从而使电炉输出的流量保持稳定。
Changing the speed of electric motor by using ac frequency conversion is to regulate output flow of hydraulic pump to control the velocity of the motion of hydraulic actuator.
通过交流变频调速改变电机的转速来调节液压泵的输出流量。控制液压执行元件的运动速度。
Typically, the hybrid car uses the electric motor for low-speed cruising while the petrol-powered motor is used for longer, faster journeys.
典型地，混合动力汽车使用家用电器电机低速巡航而petrol-powered电动机用于长，更快的旅程。
Then the drive system of the fin stabilizer is analyzed. To give a control policy which AC motor is controlled by applying electric current loop, speed loop, position loop in this system.
然后对转鳍驱动系统进行了分析，确定了在系统中使用电流环、速度环、位置环的交流电动机控制策略。
GC0618-1-D1 is used with electric speed adjusting motor and micro control box for thread trimming.
D1采用电子调速电机及微电脑控制自动剪线机构，具有自动剪线功能。
GC0618-1-D1 is used with electric speed adjusting motor and micro control box for thread trimming.
D1采用电子调速电机及微电脑控制自动剪线机构，具有自动剪线功能。
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