three-phase power的例句大全

The single-phase rectifier bridge and three-phase rectifier bridge are main harmonic sources, the dc side series active power filter can eliminates this kind of harmonic.

其中单相和三相整流桥是电力系统中主要的谐波源，而直流侧串联型APF主要针对这种谐波源进行治理。

A considerable part of the high-power electrical and electronic equipment is used in the gird now. So the development of three-phase rectifier with high power factor is a hot topic of research in the world.

在现在使用的电网中，相当一部分是中大功率的电力电子设备，因此，现在世界上研究的一大热点就是研制具有高功率因数的三相整流器。

Study of Shunt Active Power Filter Realizing Reactive Power and Harmonics Compensation in Three-Phase Four-Wire System

三相四线制无功与谐波全补偿的并联有源电力滤波器的研究

A new DSP based hybrid power filter designed under the condition of three-phase four-wire system is presented.

介绍了一种基于DSP的三相四线制系统混合型电力滤波装置。

This paper mentions several ways of dealing with harmonic by computer program and the new method of harmonic control, At last part I will analysis the harmonic in symmetrical three-phase circuit and its effect on the measurement of Active Power.

文章也介绍了逆变电源谐波分析的几种方法，并提出了消谐控制的新思想，同时说明了谐波分析的另外几种编程计算方法。

Aiming at three-phase bridge rectifier which is the most typical harmonic source for power line, this paper studied the harmonic current detection method based on Instantaneous Reactive Power Theory.

本文针对电网中最典型的谐波源&三相桥式整流电路，研究基于瞬时无功功率理论的谐波电流检测方法。

Stable power supply with three-phase Flotrol for CW lasers

具有三相恒流充电机的高稳定度连续激光器电源

Calculation Method of Test Current in Three-Phase Transformer Short-Circuit Test by Single-Phase Power

三相变压器用单相电源进行短路试验时试验电流的计算方法

Instantaneous Reactive Power and Active Power Filter in Three-phase Four-wire System

三相四线制电路中的瞬时无功功率及有源电力滤波器

Harmonic Detection Applied to Active Power Filter in Three-phase Four-wire System

三相四线制系统中有源滤波器的谐波检测方法

Abstract: the three-phase circuit is regarded as some of drive of the whole power system in actual project, it has its special meaning in practical application carry on correct use and particularly important control to it.

摘要：三相电路作为实际工程中整个电力系统的驱动部分，在实际应用中有其特殊的意义，因此对其进行正确的利用和控制尤为重要。

Study on series hybrid active power filter in a three-phase four-wire system

三相四线制下串联混合型滤波器的研究

Main Circuit Design of the Active Power Filter for Three-phase Four-wire System

三相四线制有源电力滤波器主电路设计

When the three-phase circuit appears to break phase failure and phase stagger, the electric circuit can break to open the power supply circuit automatically, and to guarantee the normal movement of motors.

当三相电路出现断相错相故障时，该电路能自动断开三相电源线路，以保证电机的正常运行。

Harmonic Elimination Input Current for a Three-phase High Power Arc Welding Inverter

三相大功率焊接逆变电源的网侧电流谐波抑制

According to the feature that the load of induction motor in groups greatly affects power system stability during large-scale disturbance, a three-phase grounding fault test of 110 kV transmission line was performed at Zhongyuan Oil Field located in Puyang power supply region of Henan Power Grid.

根据大扰动过程中电动机群负荷对系统稳定性影响较大的特点，在河南电网濮阳供电区的中原油田进行了110kV线路三相短路故障试验。

Application of the algorithm ensures that the result of Ucos φ is accurate, convergent and the true expressions of the voltages and currents in the site of relay when power swing and three-phase short-circuit fault happens at the same time.

用此算法求出的Ucosφ数值精度高，收敛性好，更真实地反映了电力系统振荡过程中发生三相短路时保护安装处电压和电流的变化；

As for control circuit, a novel detecting method for harmonic current in single-phase circuit is introduced in detail, viewed as an extension of the idea of instantaneous reactive power theory in three-phase circuit.

在对三相电路瞬时无功功率理论的思想进行扩展的基础上，得到了单相电路谐波电流的瞬时检测方法。

So the time of Ucos φ detecting three-phase short-circuit fault in power swing process is shortened, and the performance of whole protective device is improved.

因此可以大大缩短Ucosφ作为电力系统振荡过程发生三相短路判别元件的动作时间，提高整套保护的性能。

Design of a three-phase reactive power current digital long-distance meter

一种三相无功电流的数字化远程检测头设计