A new harmonic detection way based on the single-three phase method and instantaneous reactive power theory was adopted to detect single-phase power system.
采用了单相-三相构造法和瞬时无功理论的谐波检测方法来检测单相系统。
For example, the master single-tier schedule in Figure 10 has the overall Construction phase divided into three six-week periods.
例如，图10中单层的综合图表将整个构建阶段分为三个六周的周期。
Of course, can also be equipped with DC motor, single-phase motor, synchronous motor and all kinds of three-phase asynchronous motor and other power sources.
当然也可以配直流电机、单相电机、同步电机及各类三相异步电机等动力源。
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。
Zero current transition (ZCT) topology of the single switch three phase boost power factor correction (PFC) rectifier is proposed.
提出了一种零电流开关结构的单开关管的三相升压功率因数校正整流器。
It is provided with easily replaceable wire support members or protective caps to enhance convertibility from a single phase delivery configuration to a three phase delivery configuration.
设置有容易替换的电线支承件或保护帽，以提高从一单相传输结构到一三相传输结构的可变换性。
The control system of this inverter is composed of 8098 single chip microprocessor and the new type three phase PWM IC SLE4520.
采用了以8098单片机和三相高频可编程脉宽控制器SLE4520为核心的控制系统。
The analysis of three-phase circuits is little more difficult than that of single-phase circuit.
三相电路的分析比单相电路难不了多少。
Each synchro consists of a wound, single-phase rotor, mounted on ball bearings, in a housing that contains a three-phase, wye connected stator.
每个同步机包括一个单相绕线转子，安装在球形轴承上，和一个三相叉形连接定子包括在同一个外壳内。
The single-phase harmonic current components can also be detected by the method effectively through constructing a dummy symmetry three-phase power system.
通过构造一个虚拟的三相对称系统，该检测方法可以推广到单相电力系统的谐波电流检测。
In this paper, based on the orthogonality of sine function, a detection approach of generalized reactive current suitable for both the single phase and three phase active power filters is presented.
本文根据正弦函数的正交特性，提出了一种既适用于单相也适用于三相有源电力滤波器的广义无功电流检测方法。
As one of the connections for three phase induction motor to operate from single phase supply, SEMIHEX connection can enable three phase induction motor have approximated symmetrical operation.
作为三相感应电动机单相运行的一种特殊接法，SEMIHEX连接可使三相感应电动机在单相电源上接近对称运行。
Based on the mathematical model of the single pore electrode, the effective three-phase boundary length of the electrochemical reaction is defined and calculated.
在单孔电极模型基础上定义了电化学反应的有效三相分界线长度概念，并给出了对应的计算方法；
The paper proposes a scheme of using three phase inverter bridge to realize VVVF of single phase capacitor motor.
提出用三相逆变桥电路实现单相电容电机变频调速的方案。
In allusion to the characters of system oscillation during single-phase recloser and three-phase recloser, the author put forward a new distance protection accelerating scheme.
针对单相重合闸与三相重合闸时系统振荡的特点，提出了新的距离加速保护方案；
The primary of a single-phase transformer is connected to one phase of the three-phase system.
单相变压器的提名候选人的预选会被连接到一状态的三状态系统。
The three-phase zero-detection trigger made up of CD4098 single side stale trigger can produce ideal effect.
应用CD4098单稳态触发器组成了三相过零触发电路，达到了较为理想的调功效果。
Carry on single and contact system function test to liquid-solid hydrocyclone, in order to improve the structure of sand storehouse of three-phase hydrocyclone.
对液固分离水力旋流器进行单体及串联系统的性能测试，以有效的进行三相分离水力旋流器的砂库结构的改进；
The paper describes a digital trigger for three-phase fully-controlled bridge, using a single chip microprocessor 80c196kc.
介绍了一种由80c196 KC单片机构成的三相全控桥式整流电路的数字触发器。
WB intelligent electrical transmitter is divided into single-phase and three-phase two classes.
WB智能电量变送器分为单相和三相两类。
The second is to make a single-phase HELPT model and a three-phase HELPT model.
第二部分是自己制作一个单相及三相高效防雷变压器模型。
This paper presented a thyristor controlled single-phase to three-phase converter suitable for driving an induction motor with a single-phase AC supply.
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。
A three-phase signal source generator based on single-chip microprocessor is presented in this paper…The function , technical specification , hardware and software are explained in detail.
简要叙述单片机三相信号发生器的设计思想和开发方法，并对系统的功能，技术指标，硬件电路，软件设计，及使用方法作了说明。
According to the difference of passing current and constructive mode of conductor, the conductor propagation is divided into three-phase, two-phase and single-phase propagation, etc.
根据通过电流和导体结构方式的不同，导体传输可分为三相传输、二相传输和单相传输等。
Pointing out UPFC is to run in net compensation or terminal compensation. Meanwhile, the single-phase compensation and the three-phase compensation are discussed in this dissertation.
指出了UPFC的网络线路补偿和终端补偿两种情况，并分别讨论了UPFC的单相补偿和三相补偿。
The structures, forms and implementation methods of the three-phase single-layer windings are studied.
研究了三相单层绕组的结构、形式和实现方式。
In accordance with the feature of three phase unbalanced loads, this article describes the correction principle of reactive power and the control system of single board computer.
本文针对三相不平衡负载特点，介绍了无功功率补偿原理和单板机控制系统。
The system structure of this algorithm is simple . It not only fits for single-phase circuit, but also for three-phase circuit.
该方法系统结构简单，不仅适用于单相电路，而且也适用于三相四线电路。
The system structure of this algorithm is simple . It not only fits for single-phase circuit, but also for three-phase circuit.
该方法系统结构简单，不仅适用于单相电路，而且也适用于三相四线电路。
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