利用三维空间矢量,提出了一种新型的无需坐标变换的三相电路畸变电流检测方法。
Using three-dimensional space vectors, this paper describes a simple method for detecting the distorted current without any coordinate transformation.
结果表明片状固体增益介质热容方式工作对振荡光束波前畸变影响很小。给出了与光束传输方向相垂直的截面上增益介质的荧光分布。
Fluorescence profile in the gain medium is described. Result indicates such a gain medium has little effect on the wavefront aberration of the beam.
因此,在三相感应电动机的型式试验中,首先必须测试电源电压的波形畸变率。
Therefore the wave form aberration rate must first be tested in the full scale test of tree? Phase induction motor.
我们还研究了PT四方相区和立方相区介电常数与晶格畸变的关系。
We also study the relation between the dielectric constant and lattice distortion of the PT tetragonal and cubic phase region.
描述了一种在三相波形高度畸变的系统中可正确测量基波功率的方法。
A correct method for measuring the fundament component of power in a high distorted three phases system is described, Its cost is rather low.
本文研究和给出电气量测量交流采样的算法,着重研究三相不平衡及波形畸变工况下无功功率的测量算法。
This paper introduces the AC sampling arithmetic and emphasizes the study of measurement arithmetic under the unbalanced and distorted condition.
电力有源滤波器能动态补偿不对称三相电路的畸变电流、负序电流分量。
Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit.
我们对PZT四方相区、三角相区和混合相区介电常数与晶格畸变的关系进行了全面研究和探讨。
We comprehensively investigate and discuss the relation in the tetragonal, rhombohedral and coexistence phase region of PZT.
相变温度的变化是由于电子辐照产生的点缺陷造成了马氏体相点阵畸变和有序度的变化,从而产生马氏体稳定化。
The point defects induced by electron irradiation make the lattice distortion of martensite phase and the increase of the ordering degree which bring about the stabilization of martensite.
即使在三相正弦激励的作用下,三相线电流也将发生非正弦畸变,产生谐波电流。
Even if it worked with three-phase sine, three-phase line current would have non-sine aberrance and produce harmonic wave-electricity.
该方法可实时、准确地检测三相不对称非线性负载电流中的畸变电流,并能自适应跟踪负载电流的变化等。
The method has some advantages. such as real time detection. high accuracy. adaptability to load currents and so on. Theresults o…
该方法可实时、准确地检测三相不对称非线性负载电流中的畸变电流,并能自适应跟踪负载电流的变化等。
The method has some advantages. such as real time detection. high accuracy. adaptability to load currents and so on. Theresults o…
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