Complete engine, generator, and mains protection with 3-phase true RMS AC sensing.
完整的发动机,发电机,水管和保护与3相真有效值交流传感。
An economical and practical driver for 3-phase reaction stepping motor was designed in the paper.
针对三相反应式步进电动机设计了一种经济实用的驱动器。
A practical analysis method is provided for fully controlled 3-phase rectifier with time-variable loads.
为三相全控桥带时变负载的分析提出了一种实用方法。
This paper proposes a 3-phase algorithm based on overlapping partitions to reduce the time and memory requirement.
该文提出一种基于重叠区的3阶段改进算法,该算法将大大减少算法的时间复杂度和空间复杂度。
The variable voltage variable frequency(VVVF) control of 3-phase induction motor for driving trolleybuses is expounded.
介绍无轨电车采用变压变频控制的三相感应电动机驱动技术。
Using the latest 3-phase AC induction motor and lithium battery tech, the NEOS provides power while being economical and green.
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。
The system adopts Unified Constant-Frequency with Vector Operation, to design 3-phase 3-wire parallel active power filter(PAPF).
系统采用基于矢量运算的恒频积分算法,设计三相三线并联型有源电力滤波器PAPF。
The A302 Manual Starter is a 3-phase manual motor starter and protector with instantaneous magnetic short circuit trip mechanism.
A302手动起动器是三相手动电动机起动器和保护装置,带有瞬间磁性短路跳闸机制。
An equivalent circuit model of these 3-phase unidirectional transducers is discussed as well as their adjustment and fabrication.
本文讨论三相单向换能器等效电路模型和制作调整。
Simply introduce the structure and theory of TI, s 2000 series DSP. Design the method of PWM waves in 3-phase Brushless DC Motor.
使用TI公司的2000系列DSP芯片,并简单介绍了芯片的结构和原理,设计了应用于三相无刷直流电机的PW M波形产生方法。
The 5th harmonic current of 3-phase AC power source can be reduced by the 6th harmonic feed forward of 3-phase rectifying voltage.
采用三相整流电压的6次谐波前馈(注入),以减小三相电源的5次谐波电流。
When a fault occurs on one phase of a 3-phase, 4-wire system, the other two phases rise in voltage relative to ground (about 20%).
当故障发生在3相4线系统中的一相时,其它两相的对地电压就升高(约升高20%)。 好评(0)
This paper introduces the software and hardware design method of 3-phase electric network quantity parameter collector by 8031 CPU.
介绍以单片机8031为核心的三相电网电量参数采集器的软硬件设计方法。
SAW 3-phase unidirectional transducers offering advantages of. low loss and wide bandwidth (30%) have great difficulty in adjustment.
三相单向换能器具有损耗小,带宽大(30%)等优点,但是这种换能器的调整较困难。
This paper presents a systematic transformation method and its application in the fault analysis of a 3-phase -2-phase transformer station.
本文介绍网络的系统变换法及其在三相-两相变电所故障解析中的应用。
It is very important for the 3-phase separator to have a stable oil-gas interface in ensuring the separation results and metering precision.
三相分离器内油水、油气界面的稳定,对确保分离器的分离效果和计量精度是至关重要的。
When start up a 3-phase asynchronous motor, it is generally realized by energizing or de-energizing 2 to 3 contactors in a certain time order.
介绍三相异步电动机起动时,通常按照一定的时序接通或关断2到3台接触器来实现电动机的起动。
As an example, the principle of waveform analysis, the design of sampling circuit, interface and applied programs for 3-phase bridge rectifier are discussed.
本文以三相桥式晶闸管整流电路为例,讨论波形分析法的原理、采样电路与微型计算机接口电路的设计及应用程序的设计。
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.
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。
The calculating result shows that the welding current of 3-phase DC resistance weld is continuous, and the changing of induction reactance has little influence on it.
计算结果表明:三相次级整流电阻焊焊接电流基本上是连续的,负载感抗变化对其影响很小。
Compared to the testing system of conventional rotatory motor, the one of 3-phase linear induction motor (LIM) is quite different with the measuring of thrust and normal force.
相比普通旋转电机,三相直线异步电机静态测试时推力和法向力的测定比较特殊。
This paper briefly describes the structure and principle of newly developed linear-array buried-channel CCD (BCCD) with 3-phase, polysilicon overlay-gate, and, experimental results are presented.
本文对已研制成的线阵三相多晶硅交迭栅埋沟CCD (BCCD)摄象器件的结构、原理及实验、结果做一个简要的阐述。
Phase 2 still tests the vaccine's safety, but it's mainly a test to see if the vaccine seems to work. If Phase 2 goes well, the vaccine can begin Phase 3.
第二阶段仍然是测试疫苗的安全性,但主要是检测疫苗是否有效。如果第二阶段进展顺利,疫苗研发就可以开始第三阶段。
After the entire discovery phase is complete, you're ready to move on to phase 3: assessment.
完成了整个发现阶段后,就可以继续阶段3:评估。
The present WHO level of pandemic alert remains at phase 3: human infections with a new virus subtype are occurring, but the vast majority of these infections are acquired directly from animals.
目前世卫组织的大流行预警级别仍然为第三阶段:人类感染新亚型病毒,但是这些感染中的绝大多数是直接从动物那里获得的。
As further information becomes available, WHO may decide to either revert to phase 3 or raise the level of alert to another phase.
当获得更多的信息之后,世卫组织可能决定将警戒级别恢复到第3级或提高到另一阶段。
In Phase 3, this package is tested by rolling it out to additional projects in order to prove the approach.
在第3阶段,为了要证明这个方法,打好的包要通过展开加入其他的项目的测试。
You might imagine that there could be several months between Phase 1 and the release of Phase 3 functionality.
可以想象,第1阶段和第3阶段功能发布之间有好几个月的时间。
Phase 3: Calculate the product's overall maturity score.
阶段3:计算产品的整体成熟度评分。
Phase 3: Calculate the product's overall maturity score.
阶段3:计算产品的整体成熟度评分。
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