dielectric loss angle
英 [ˌdaɪɪˈlektrɪk lɒs ˈæŋɡl]
美 [ˌdaɪɪˈlektrɪk lɔːs ˈæŋɡl]
网络 介质损耗角; 介质损耗角正切值
双语例句
- High precision real-time on-line measurement method of dielectric loss angle
高精度介质损耗角实时在线测量方法 - The measurement of dielectric loss angle is one of the main methods in the preventive tests for the insulation of electrical equipment.
电气设备绝缘预防性试验中的介质损失角正切的测量，则是一种使用较多而且对判断绝缘较为有效的方法。 - Hanning windowed interpolation harmonic analysis algorithm and high-order sine fitting algorithm are the two effective algorithms for dielectric loss angle measurement.
加汉宁窗谐波分析法和高阶正弦拟合法是介损角测量的两种有效算法，对两种算法的分析和比较有利于它们在实际中的应用。 - Influence of signal sampling mode on dielectric loss angle measurement
信号的取样方式对介质损耗角测量的影响 - Development of a Lower Power Consumption Dielectric Loss Angle Tester Based on DSP
基于DSP的低功耗介质损耗测试仪的研制 - Calculation of dielectric loss angle for on-line measurement based on FWT
基于FWT的在线检测介损角的计算 - Dielectric Loss Angle Measurement Algorithm Based on TLS-ESPRIT
基于总体最小二乘-旋转矢量不变技术的介损角测量算法 - Embedded Dielectric Loss Angle Measurement Device Based on DSP
基于DSP的嵌入式介损测量装置的实现 - High Accuracy Dielectric Loss Angle Measurement Algorithm Based on Triangular Self-Convolution Window
基于三角自卷积窗的介损角高精度测量算法 - Experimental Research on Tolerance Affected by Some Factors in Hot, Humid and Low-oxygen Environment; Quartz fibre strengthen Bis maleimide BMI composite material have low to dielectric loss angle, able to bear high temperature, damp and hot, good mechanics performance.
高温高湿低氧环境中影响人体耐力的若干因素实验研究石英纤维增强双马来酰亚胺树脂复合材料具有低介电损耗、耐高温、耐湿热及良好的力学性能。 - The Dielectric Loss Angle measurement Combined Modified Ideal Sampling Frequency with Spectrum Rectifying
结合频谱校正的修正理想采样频率方法用于介损角测量 - If only dielectric loss angle of grain was measured, the measuring system can get grain moisture content by seeking table and calculating.
这样检测系统只要测量出谷物的介质损失角，单片机通过查表和计算即可获知谷物的水分含量。 - By means of connecting divider capacitor in series with the outmost shielding layer of the bushing for capacitive apparatus, the fundamental frequency voltage signal is extracted, then the dielectric loss angle is measured by a new approach that combines absolute measurement method with zero crossing comparison method.
作者通过与容性设备末屏串联分压电容的方法提取工频电压信号，采用绝对测量和过零比较法相结合的新方法测量介质损耗角； - In the capacitance loss bridge, according to the original definition of the dielectric loss angle, it is impossible to adopt the calculating method of separate equilibrium on the value-phase.
根据原来电介质损耗角的定义，在电容损耗电桥中，无法采用幅值与相位分离平衡的运算方法。 - In the digital measurement of dielectric loss angle, the non synchronisation between the data sampling rate and the frequency of the power network as well as the network's various harmonic components can cause remarkable error.
在介质损耗角的数字化测量中，数据采样频率与电网频率间不同步的问题，以及电网中存在的高次谐波都会给介质损耗的测量带来误差。 - Dielectric Loss Angle Measurement Based on Improved Fundamental Harmonic Separation Algorithm
基于改进基波相位分离法的介质损耗角测量 - On the Measurement of Tangent of Dielectric Loss Angle in XLPE Cables
XLPE电缆绝缘介质损耗角正切测试方法的探讨 - To assess the insulation condition of capacitive apparatus, on-line monitoring of dielectric loss angle is an effective measure.
在线监测容性设备的介质损耗是判断其绝缘状况的有效手段。 - A Improved Method of Measuring Dielectric Loss Angle of Cascade Voltage Transformer
串级式电压互感器介损现场测试方法的改进 - For the sake of effectively using the algorithm to measure dielectric loss angle, it is necessary to analyze the error of dielectric loss angle in the conditions of changing signal components and sampling parameters.
为更好地将该方法应用于介损角测量，有必要将该方法在信号成分及测量参数变化情况下计算所得介损角的误差变化情况进行分析。 - As for dielectric loss angle measurement, fundamental harmonic separation algorithm is an effective approach that can offer accurate calculation results under shorter sampling time and less calculation amount.
基波相位分离法计算量少、需要的采样时间短、计算结果精确度高，是介损角测量的有效算法。 - In this paper, on-line monitoring of dielectric loss angle's tangent ( dielectric loss factor) was discussed mainly, in order to improve the accuracy and stability of monitoring data of dielectric loss.
本文主要讨论介质损耗角正切值（介质损耗因素）的在线监测，研究如何提高介质损耗角正切值的测量稳定性和精度。 - This paper introduces the principle of Fourier algorithm on dielectric loss angle measurement, and points out the fact that perfect synchronous sampling could hardly be realized, then presents a compensation algorithm in the condition of non-synchronous sampling with deduction.
介绍了基波相位分离法测量介质损耗角的原理，指出了目前的软件同步采样措施难以实现真正的同步采样，并通过推导得出非同步采样条件下的基波相位分离法的算法。 - Research on dielectric loss angle measurement in the condition of non-synchronous sampling
介损角测量中非同步采样算法的研究 - Characteristic on the tangent of dielectric loss angle for coal has been researched by using fractal geometry theory.
利用分形几何理论对煤的介质损失角正切的特征作了深入的探讨.结果表明，煤的介质损失角正切tgδ具有分形特征； - The results of simulation and tests indicate that using the proposed algorithm the dielectric loss angle can be measured more accurately while less calculation amount is increased.
仿真和试验结果表明该算法在增加较少运算量的同时提高了介质损耗角的测量精度。 - This method can be accurately extracted fundamental wave of voltage and current signal, and get the phase of fundamental wave, then obtain the accurately dielectric loss Angle.
该方法可以准确提取基波电压和电流分量，得到基波电压和电流的相位，从而实现介损角的准确检测。 - Dielectric loss angle is one of the effective means to determine the status of the high-tension apparatus insulation. The key to detect dielectric loss angle is correct extraction of the fundamental wave of voltage and current signal.
介质损耗角大小是判断高压设备绝缘状况的有效参数之一，而准确的提取基波电压和电流信号是检测介损角的关键。 - The dielectric loss angle tangent reduces firstly, and then increases.
介质损耗随频率的升高，先减小，之后又增大。