当供电电源一相断开以及定子绕组一相断开时，均将导致三相感应电动机的缺相运行。
When Power supply transformer and a continuous phase stator windings call for a phase, it may cause the three-phase induction motors running.
提出一种单相电源供电时适用于异步电机传动的单相–三相变换器。
This paper presented a thyristor controlled single-phase to three-phase converter suitable for driving an induction motor with a single-phase AC supply.
三相变四相电力变压器是一种新型平衡变压器，由此可以实现四相输电方式，也可以用于电气化铁道的AT供电方式。
The transformer may be applicable to either four- phase transmission system or AT power supply system in electric railways.
在三相四线制供电系统中，中性线是非常重要的。
In the Three phase and Four wire circuit system, the neutral wire is very important.
冲击性负荷会引起供电系统严重的电压波动和三相不平衡，对其进行平衡化补偿具有重要的意义。
It is important to provide balancing compensation for shock load because of the severe voltage fluctuation and 3-phase unbalance imposed on power supply system by it.
污水处理站供电由就近的生产接入，生产设备用电及照明采用380/220三相四线制供电。
The power supply of wastewater treatment is connected from the nearest access. Production electricity and lighting equipment adopt 380/220 three-phase four-wire power supply.
阐述一种新型地铁地面供电电源——三相电压型PWM整流装置的数学模型及其控制方法。
It is explained the mathematical model and control method of a new type of ground power supply for metro vehicles, the 3-phase voltage type of PWM rectifier.
它涵盖五个方面：供电电压允许偏差、公用电网谐波、三相电压不平衡度、电力系统频率允许偏差、电压允许波动和闪变。
It covers five aspects: supply voltage tolerance, utility harmonic, three-phase voltage unbalance, power system frequency tolerance, voltage fluctuation and flicker.
介绍了在三相四线制供电系统中，中线的作用，断线的危害，以及一种简单可靠的断线保护电路。
The paper introduced the effect of neutral wire the harm of open circuit and a kind of simple credible open circuit protection method.
在舰船上可利用三相同步发电机同时向交流负载和直流负载供电。
Three-phase synchronous generators are used for supplying simultaneous AC and rectified DC loads in ships.
与其它牵引变压器相比，三相变四相变压器具有较好的结构和平衡特性，可以用于电气化铁路AT供电。
Because of the better structure and balance characteristic compared with other transformer used in electric railway, the three-phase to four-phase transformer can apply to AT power supply system.
阻抗匹配平衡变压器，是一种三相变两相的供电设备，已广泛用于我国电气化铁道。
The Balance Transformer Accroding to Impedance Matching which has been widely used in electric railway is a kind of three-phase to two-phase power supply equipment.
该分析程序在微机系统上对多种晶闸管电路、三相全控桥供电直流机系统、电流型逆变器驱动感应机系统进行数值分析，并与实验装置的波形比较，充分证明了该分析程序的正确性和实用性。
The simulation program in this paper has been applied to make digital simulation of several thyristor circuits, a DC-motor system driven by a three-phase full-wave rectifier circuit and an induction-…
使用最新的三相交流异步电动机和锂电池技术，同时提供电源的近地天体是经济和绿色。
Using the latest 3-phase AC induction motor and lithium battery tech, the NEOS provides power while being economical and green.
该供电装置主要为三相变单相的变压器结构，附加有功率补偿元件。
The power supply device is mainly in a structure of a three-phase to single-phase transformer and is additionally provided with a power compensation element.
该供电装置主要为三相变单相的变压器结构，附加有功率补偿元件。
The power supply device is mainly in a structure of a three-phase to single-phase transformer and is additionally provided with a power compensation element.
应用推荐