英语释义

1. of, relating to, or operating by means of a combination of three circuits energized by alternating electromotive forces that differ in phase by one third of a cycle

片语

three-phase current[电] 三相电流

three-phase load三相负载

three-phase foam三相泡沫

three-phase network三相网络

three-phase saturation三相饱和度

three-phase cable三相电缆

three-phase source三相电源

three-phase boundary三相边界

three-phase furnace三相电炉

英汉例句

• in the fourth semester, it was the fundamental concept, laws and analysis methods of electro-circuit, sine ac circuit, and three phase ac circuit.

  在第四学期的这门课主要描述了电路的基本概念、基本定律及分析方法、正弦交流电路、三相交流电路。

• liquid film flow field in gas-liquid-solid three phase flow through a curved pipe were measured by particle image velocimetry (piv) for a better understanding of the phase separation phenomena.

  为了深入认识螺旋管内多相流相分离现象，应用粒子图象测速仪（piv），对组合弯管内气水砂三相流底部水平段和上升段中液膜区的流场进行了测量。

• this paper introduces technical parameters and performance of the circuit breaker in zf12-145(l) three phase in common tank gas insulated metal-enclosed switchgear.

  介绍了zf12-145（l）三相共箱式气体绝缘金属封闭开关设备断路器的技术参数、性能、灭弧室的计算分析和主要特点。

• a new control scheme of three phase voltage source pwm rectifier is presented.

  提出了一种新的三相电压型pwm整流器控制方案。

• in this paper, we propose and discuss two new control methods for three phase shunt apfs : the sinusoidal line current control method and the instantaneous reactive power compensation control method.

  本论文提出三相并联型有源滤波器的两种新的控制方法，即正弦波化控制和瞬时无功功率的控制方法。

• finally, the elementary procedure for establishing the harmonic models of three phase transformer in phase coordinate system is discussed.

  作者还讨论了建立相坐标下三相变压器谐波模型的基本方法。

• when three phase rectifier or pwm rectifier are adopted at the shunt side, the advantages and disadvantages are discussed.

  比较了装置并联部分直流电源采用三相整流桥或三相脉宽调制（pwm）整流桥的优缺点；

• results from three phase iii drug trials are expected between 2012 and 2013, while results from two phase ii trials of new mdr-tb drugs are expected in 2012.

  三个三期药物实验预计在2012年和2013年之间会得出结论，预计在2012年得到两项新的耐多药结核病药物二期实验的结果。

• phaes order of three phase alternating current has direct effects on some electrical appliances, so it is necessary to determine it beforehand.

  三相交流电源的相序对于某些用电设备有直接的影响，那么在某些用电场合，应要事先测定出电源的相序。

• based on operation parameters of a three phase induction motor at duty type s1, this paper deduces the thermal state of this motor with constant output at duty type s7.

  主要介绍一种依据一台三相异步电动机在s1工作制下的运行参数推断该台异步电动机容量不变时在s7工作制下发热情况的方法。

• a new and practical power factor control strategy for three phase pwm current source rectifier was proposed.

  提出了三相电流型pwm整流器的一种新型实用的功率因数控制方法。

• the performance and price, etc. of major types of single phase and three phase watt hour meters are analyzed and compared, and corresponding suggestions are put forward.

  通过对各种主要类型的单、三相电能表的性能、价格等特点进行分析、比较，提出选用的思路和建议。

• the pilot experiment results of direction stripping and precipitation of neodymium with oxalic acid solution in self-designed three phase stripping tank from p507 loaded organic phase are introduced.

  介绍了在自制的三相反萃取槽中用草酸溶液从负载钕的p507有机相中直接反萃取沉淀钕的半工业试验结果。

• three phase induction motor, non-standard type.

  非标準型三相感应电动机「，」

• through analyzing the asymmetry about the power among three phase of the no-load experiments of the triphase asynchronous motor is designed.

  通过对三相异步电动机空载实验中遇见的故障——三相相间功率的极大不对称性进行分析。

• a star type connection is adopted on a three phase srm (switched reluctance motor), supplied with a three phase inverter bridge. it could not get good result with traditional control methods.

  将三相开关磁阻电动机绕组采用星型连接，用三相逆变桥对其驱动，采用传统的控制方式运行状况不佳。

• the thesis introduces a three phase ac motor「s mathematical model in static reference frame and a simulation system for ac motors to develop a vector control inverter system.

  针对三相异步电机矢量控制系统的要求，根据在静止坐标系统中异步电机的数学模型，进行了系统仿真。

• the process of the station is two-stage separation and two-stage heat exchange, which is typical thermal-chemical three phase separation.

  站内脱水工艺为两级分离，两级换热的三相分离器热化学分离。

• vsually we measure linking groups of three phase transformer in alternating current method.

  三相变压器联接组的测定通常采用交流法。

• in this paper, the new four phase transmission system has been proposed, and it」sadvantages, compared with traditional three phase and multi-phase, are also analysed, for the first time.

  本文提出了四相输电这种新型的输电方式，讨论了它与传统的三相及多相输电方式比较所具有的优越性，希望能引起有关方面的关注。

• it is very important to control the current in input inductance of three phase voltage source converter(vsc).

  控制三相电压型变换器（vsc）输入电感上的电流是vsc控制技术的关键所在。

• three phase induction motor, standard type.

  标準型三相感应电动机「，」

• the three phase system is more efficient in that for the same mechanical power a greater total electrical output is obtained.

  三个阶段的系统，更有效，为同一机械动力更大的总电力输出表达式。

• bfcr has honeycomb formed cross section and three phase separator, and theory of the separator is mechanical separation and air flotation.

  新型反应器采用蜂窝状断面结构，机械分离与气浮原理相结合的三相分离器。

• this paper introduces a scheme in which a complex programmable logic device (cpld) is used in the three phase three pole switch high rating factor convertor to realize logic control.

  介绍了在三相三开关高功率因数变换器中应用复杂可编程逻辑器件 （cpld）实现逻辑控制部分的方案。

• the single earth-fault in three phase network earthed neutral is called as single phase short circuit, and that in three phase network insulated to earth is called as leakage fault.

  同样是三相电网的「单相接地」，发生于中性点直接接地系统称「单相短路」故障，而发生于中性点绝缘系统叫「接地漏电」故障。