查询词典 single phase

Furthermore, using this method, the single-phase motor with symmetrical or dissymmetrical windings can operate symmetrically.

在系统设计过程中，本文采用美国TI公司生产的TMS320C24x系列DSP作为系统控制器。

Single phase-to-earth fault location for the small neutral earthed system is still a difficult problem to be solved.

小电流接地系统单相接地故障测距一直是电力系统中的难点，行波测距法在接地故障测距中得到应用发展。

It studied on the application of wavelet analysis theory and artificial neural network technology in line selection of single-phase grounded fault of non-effectively earthed system.

介绍了小波变换的奇异性检测理论和模极大值理论，神经网络的结构和改进算法，以及两者结合的选线方案。

The results of simulation show that three-winding single-phase capacitance motors with wye-connected drive ventilated machine load can proceed to AC braking to realize fast stopping. The capacitance number of changes can regulate system braking stopping time. When capacitance is certain, can establish the resistance to limit the electric current and electromagnetical torque in stator circuit during the braking process, regulating braking stopping time.

仿真结果表明，Y接法的三绕组单相电容电动机带通风机负载时可以进行交流制动实现快速停车；通过改变电容的数值可以调节制动停车的时间；当电容一定时，可以在定子电路中串联电阻来限制制动过程中的电流和电磁转矩，调节制动停车的时间。

The single phase coating of coarse equiaxial grain NiAl has unfavourabie effect on fatigue life of the coating-superalloy.

结果表明：粗大等轴晶单相的NiAl层对疲劳寿命有不利的影响。

Many industries use helically and spirally coiled heat exchanger tubes for single-phase, evaporating, and condensing flows.

在很多工业领域中，螺旋管式热交换器都得到广泛的应用，它可适用于单相流体、蒸汽以及可压缩流体的流动。

Single-phase Sinusoidal Pulse Width Modulation Inverter Power Supply in this paper belongs to AC power supply (AC-DC-AC convert). Control mode adopts feedback of voltage control. The methods of intermitting power flux and changing duty-cycle can change pulse width of drive voltage that adjust and rectify output voltage ultimately.

本文设计的单相脉宽调制逆变电源属于交流电源，采用电压反馈控制，通过中断功率通量和调节占空比的方法来改变驱动电压脉冲宽度来调整和稳定输出电压。

The results show that the single-phase materials with strong magnetoelectric properties at room temperature are obtained by the inducing deformation of crystal lattice and the elimination of impurity.

结果表明，通过诱导晶格变形、消除体系杂相，能获得具有强室温磁电性能的单相磁电材料。

Under mesophilic condition (35 ℃), a bench-scale experiment based on high solid anaerobic digestion process was conducted in a fed-batch single phase reactor.

在中温(35℃)条件下，应用连续式单级高固体厌氧消化技术对有机垃圾进行了实验室规模的处理研究。

Under mesophilic conditions (37℃), a pilot-scale experiment based on anaerobic digestion of high solid waste was conducted in a fed-batch single phase reactor.

在中温(37℃)条件下，应用连续式单级高固体厌氧消化技术对有机垃圾进行了实验室规模的处理研究。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐