unbalance phase的例句大全

Newly developed semi automatic grinding wheel balancer for precise grinder detects unbalance phase sensitive detection technique.

介绍新研制成功的精密磨床砂轮半自动平衡仪.

Through analyzing traction bus current, traction bus voltage before and after compensation, the relationship between three-phase current unbalance degree, traction current total harmonic distortion rate and compensation degree is presented.

并通过分析平衡牵引变压器补偿前后的牵引母线电流、牵引母线电压，得出三相电流不平衡度、牵引电流总谐波畸变率与补偿度之间的关系。

Research on All-capacitor Adjusted Compensation for Low Voltage Three-phase Unbalance Distribution Network

低压配电网三相不平衡全电容调节补偿的研究

The causes of three-phase unbalance of distribution network is roughly divided into two types. One kind is caused by the unbalanced power supplied link system, another kind is caused by the load of the asymmetric three-phase unbalance system.

配电网三相不平衡产生的原因大致分为两类，一类是由供电环节不平衡引起的系统三相不平衡，另一类是由负荷的不对称引起的系统三相不平衡。

Research on Measurement and Calculation of Three-phase Voltage Unbalance Factor Standard for Traction System

牵引系统中三相电压允许不平衡度测量与计算的研究

The paper firstly expounds the basic theory of dynamic balancing, vibration measurement technology and signal processing, calculation of unbalance amplitude and phase based on DFT.

本论文首先对动平衡的基本理论、振动测量技术及信号处理，以及基于DFT的不平衡振幅、相位提取算法作了详细归纳、阐述。

Voltage unbalance of three phase ac distribution systems adversely affects power customers.

配电系统三相电压的不对称会对用户造成一系列不利影响。

Study on the Model of Unbalance and Single Phase Broken in Multifunctional Protection of Motors

多功能电动机保护中不对称及断相保护模型的研究

Transients of sudden unbalance short-circuited fault between different Y-windings of a twelve-phase synchronous generator

十二相同步发电机突然不对称短路的分析

Unbalance Analysis for Three Phase Current in Power Ling Caused by Incomplete Transposition

不完全换位引起的输电线路三相电流不平衡分析

Cause Analysis and Fault Measures of Three Phase Current Unbalance at GIS in Jiangling Convert Station

江陵换流站GIS串内三相电流不平衡的原因分析及故障处理

analyzing the consequences of three-phase load unbalance operation

三相负载不平衡运行后果分析

park transformation has important theoretical and practical values in analysis and calculations of the electric power system. by means of general phase and coordinate transformation, this paper presents park transformation directly from three-phase unbalance system in theory.

在电力系统分析和计算中，park变换具有重要的理论和实际意义，直接从三相非平衡系统出发，借助通用相量的概念，通过坐标变换，从理论上得出了三相非平衡系统的park变换。

on this basis, the influences to unbalance current of line tower type, wire parameters and phase sequence arrange are analyzed.

在此基础上分析线路塔型、导线参数、相序排列等因素对不平衡电流的影响。

the platform supervises completely the electrical energy qualities of harmonic, voltage fluctuation, flicker, three phase unbalance, power factor and so on according to the newest national standard. the examination method can be varied according to the gb code revision.

监测平台对谐波、电压波动和闪变、三相不平衡、功率因数等电能质量指标的监测，完全按照最新国家标准执行，检测方法可根据国标修订情况及时变更。

The definition and national standard of phase unbalance in power system were expatiated.

三相负荷不平衡以及系统元件三相参数不对称都会引起电力系统三相不平衡.

Considering effect of armature circumferential, radial, axial distribution of removed metal and circumferential distributed slots against magnitude and phase of real unbalance, a more precision contour milling correction model was build.

考虑去重质量在转子周向、径向、轴向的分布以及圆周上分布的槽对实际去除不平衡量的影响，建立较精确的R型铣削去重模型。

Using wavelet analysis to handle these signals can extract unbalance signal amplitude preferably. Using successive approximation method decreases can decrease phase error in the actual applications& improve the efficiency and accuracy of dynamic balancer.

采用小波分析来处理信号，可以很好的提取不平衡信号幅值，使用逐次逼近法减小实际应用时不平衡点的相位误差，提高了动平衡精度和效率。

The second development with VBA in Office Excel of Microsoft is introduced. The automatic calculation and optimal sectionalization methods of DC resistance unbalance rate of transformer three-phase windings are presented.

介绍了在微软OfficeExecl中利用VBA进行二次开发，实现变压器三相绕组直流电阻不平衡率的自动计算和优化分组的方法。

Furthermore, we considered phasor dynamics of values of negative sequence and zero sequence. Analysis of Unbalance Three-phase Circuit and a Practical Circuit for Judging Phase Sequence

对于发电机的负序和零序，采用了等值的电路模型并考虑了其中电压和电流的相量动态。一种相序判定方法分析及其实用电路