英语释义

1. a direct-current generator with both slip rings and a commutator used for supplying current to a direct-current three-wire system whose neutral wire is connected to the center point of a high-reactance winding connected across the slip rings and whose two main conductors are connected to the commutator brushes

2. a constant potential system of electric distribution in which lamps or other receiving devices are connected between either one of two main conductors and a third wire and motors and heavy duty appliances are usually connected across the main conductors

片语

Three-wire function线功能

three-wire connection三线接法

three-wire system三线制

three-wire selector三线式选择器

three-wire mooring三线系留

three-wire detail三线

trilinear三线的，包含三条线的，以三条线为边界的

three-wire generator[电]

three-wire levelling三丝水準测量

英汉例句

• the heavy duty level regulator is a compact three-wire float switch for highly accurate and repeatable single point level sensing and control applications.

  重型级稳压器是一个小巧的三线高度精确和可重复的单一浮动开关点水平传感和控制应用。

• firstly, this thesis has presented the system structure and operation principles of three-phase three-wire parallel apf.

  本文首先给出了三相三线制并联型有源电力滤波器的系统构成以及工作原理。

• the signal pre-processing system also has circuit to extract temperature signal via platinum thermistance, in which three-wire system and constant current measurement method are adopted.

  信号预处理系统还包括温度信号提取电路，通过铂热敏电阻实现对温度信号的提取，采用了三线制恒流源测量法。

• at last, types of false connection are summed up, and the methods of identification for three-phase three-wire energy metering device are put forward.

  结合近年来在实际工作中遇到的一起三相三线电能计量装置错接线事例，通过向量分析、有功表达式的推导，进而求出该种错接线对电能计量的影响。

• the experimental results show that the detection method based on the fbd method can be used in unbalanced three-phase three-wire power systems.

  实验结果表明，可以用在不平衡三相三线电源系统的检测方法基于fbd法。

• in this paper, proceeding from motion equation, the theoretical analysis on swing motion of three-wire pendulum is carried out.

  本文从运动方程入手，对三线摆的扭动状态在理论上进行了分析。

• a three-phase three-wire series hybrid active power filter(apf) based on one-cycle controller is introduced.

  介绍了一种基于单周控制的三相三线串联混合型有源电力滤波器。

• this kind of communication mode employs three-wire connection and full duplex synchronous data transmission. it has the features of less link, fast speed, high reliability and etc.

  这种通信方式采用三线连接，全双工同步数据传输，具有连线少、速度快、可靠性高等特点。

• two-phase winding, three-wire connection.

  三相绕组，四线连接。

• only is its angular displacements small enough, the motion of three-wire pendulum just has the characters of harmonic vibration.

  只有当它的最大角位移足够时，三线摆的运动才具有谐振动的特征。

• this paper analyzes the principle and the application scope of three-phase three-wire system and three-phase four-wire system for upqc.

  本文分析了upqc的三相三线制和三相四线制两种主电路结构、原理及其适用范围。

• a difference is made between three-phase three-wire circus and three-phase four-wire circus and the data measured for them was studied respectively.

  对于三相四线制和三相三线制两种不同的电路，本文分别对待，分别对其需要测量的数据进行研究。

• in order to make more effective control of universal power quality controllers (upqc), an outer loop model for the voltage loop in a three-phase three-wire upqc is proposed in the paper.

  为了对通用电能质量控制器直流侧电压进行更为有效的控制，提出一种用于三相三线通用电能质量控制器（upqc）直流侧电压控制的外环模型。

• the configuration, work principle and analysis of harmonic and power about three-phase three-wire ac voltage regulation circuit based scr is presented in this paper.

  本文重点介绍基于晶闸管的三相三线交流调压电路的构成、工作原理及谐波、功率分析。

• the operating status of three-phase three-wire hapf(hybrid active power filter) in harmonic suppression and reactive power compensation for variable-frequency motor are introduced.

  介绍了三相三线制混合型有源电力滤波器在变频调速电动机谐波治理和无功补偿方面的运行情况。

• two-phase winding, three-wire connection. ungrounded or grounded can be specified.

  两相绕组，三线连接。可指定不接地或接地。

• in this paper, a new method of three-wire measurement is proposed, which can suppress lead wire resistance effects.

  推荐一种消除引线电阻影响的三线制测量新方法。

• in this paper , a three-phase three-wire active power filter based on a adaptive harmonic detection , by using the first harmonic of the current as the reference control , is presented.

  本文采用了一种自适应谐波检测算法，以基波电流作为控制参考，运用于三相三线制有源电力滤波器中。

• three-phase three-wire winding, delta or meshed connection. ungrounded or grounded can be specified.

  三相三线绕组，三角形或网状连接。可指定不接地或接地。

• the principle and method for judging 48 wiring modes of the three-phase and three-wire watt-hour meter by using pincers power factor meter are discussed in this paper.

  讨论了用钳形功率因数表在线判断三相三线有功电能表48种接线方式的原理及方法。

• this dynamic voltage regulator employs a two-leg inverter for three-phase three-wire systems.

  提出了一种适用于三相三线制不平衡系统的任意次谐波电流检测方法。

• the machine can perform two-wire, three-wire and multi-wire parallel winding or flat copper wire winding to completely resolve the mechanical winding of voltage transformer secondary coils.

  该机可进行双线、三线多线并绕或扁铜线绕制，使电压互感器二次线圈采用机械绕制的问题得到彻底解决。

• in the circuit decoupler (1) used in a single phase three-wire type circuit, an operating lever (3) which switches on and off the circuit is arranged on a thin box shaped decoupler casing (2).

  在单相三线式电路使用的电路断开器（1）中，在薄箱形的断开器壳体（2） 的上面上设置了对电路进行开闭的操作桿（3）。