End leakage reactance considered the electromagnetic impact of segmentations for submersible motor 考虑分段处电磁影响的潜油电机端部漏抗
Reasons: lack of impact of water flow is the water pipe leaks and more, at the end of valve leakage; 产生原因:影响水泵流量不足多是吸水管漏气、底阀漏气;
The multilevel hydraulic cylinder has good sealability and puts an end to oil leakage of the hydraulic cylinder so as to improve the stability of the working performance. 该多级液压缸密封性好,杜绝了液压缸漏油的问题,使其工作性能的稳定性大大提高。
Based on electromagnet field, the stator end leakage magnet field is separated into leakage magnet field of general end winding and leakage magnet field of magnet partition; 由电磁场角度出发,定子端部磁场被分为常规端部绕组匝链的漏磁场和隔磁段部分绕组匝链的漏磁场;
Improving measures are put forword against the phenomenon of shaft end seal of oil leakage of centrifugal fan driving unit. 针对离心通风机传动组的轴端密封经常漏油这一现象,提出了改进措施。
Secondly, the end region leakage reactance and slot leakage reactance are calculated by the FEM software-ANSYS. Modeling and resolving process of end region leakage reactance is introduced detailedly. 其次,利用有限元软件ANSYS,计算Powerformer的端部漏抗和槽漏抗,详细介绍了端部漏抗的建模和求解过程。
The method given here is suitable for calculating the electromagnetic forces on end windings or the end winding leakage reactance. 本文提出的方法适用于分析计算汽轮发电机定子端部绕组的电磁力及端部漏抗。
Discussion on Automatic Control of Cold End& Axial Air Leakage for Ljungstrom Regenerative Air Heater 容克式三分仓回转空气预热器转子冷端及轴向漏风自动控制的探讨
Finally vector distribution map, end region leakage reactance and distribution of force on end region winding are achieved. 最后得出了端部磁场矢量分布图,端部漏抗值及端部绕组的电磁力分布规律。
The Calculation and Measurement of End Winding Leakage Inductance of Multiphase Electric Machines 多相交流电机端部漏感系数的计算与测量
Finally according to its structure characteristic end region model is established and end region leakage reactance as well as electromagnetic force are calculated with the help of Finite Element Analysis software. 最后针对电力发生器不同于传统发电机的结构,借助有限元分析软件进行了端部的建模、端部磁场、端部漏抗与端部电磁力的求解。
The work of calculating end region magnetic field, electromagnetic force and end region leakage reactance provides a solid basis for completed analysis to the end region magnetic force and vibration in other conditions of Powerformer. 本文所进行端部磁场、端部漏抗及端部电磁力计算,为进一步分析其他工况下电力发生器端部电磁力及振动提供了参考。
Technical Improvement of The End Surface Sealing Leakage of Propylene Pump 丙烯泵端面密封泄漏的技术改进
Calculation of Stator End Winding Leakage Inductance of Synchronous Generators with AC and DC Stator Connections 交直流混合供电发电机定子绕组端部漏电感的计算
The sensor can be fixed under the electromotor's end bracket. Leakage flux of motor stator and rotor does not affect the activity and measuring accuracy of the sensor. 该传感器可以安装在电动机内端盖处,电机定子与转子端部漏磁都不影响传感器的工作和测量精度。
The rotor end leakage magnet field is separated into leakage magnet field of the two outer squirrel cage winding and leakage magnet field of end bar with rotor bearing. 转子端部漏磁场被分为最外端两端部鼠笼绕组匝链的漏磁场和具有扶正轴承处端环匝链的漏磁场。
The result shows that armature reaction reactance can be calculated by traditional electrical machine design method; leakage reactance of semicircular slot can be determined by round-shape slot and rectangle slot leakage reactance; and FEM is more suitable for end region leakage reactance calculation. 结果表明Powerformer的电枢反应电抗可以采用传统电机设计方法计算,半圆形槽漏抗可以根据传统圆形槽和矩形槽漏抗的计算方法来确定,端部漏抗适宜采用有限元方法计算。
Leaves of tree, copper sheet and semiconductor silicium sheet have been determined with the spectrometer and the results are satisfactory. Calculation of the End Copperplate Leakage Inductance of Non-Salient Pole Machines 经对树叶、金属铜片、半导体硅片测定,结果满意。隐极电机转子阻尼铜片漏电感的计算研究
The results show that there are obvious changes at film pressure and film thickness distribution, the highest film pressure increases markedly, the least film thickness reduces a lot, end leakage flow-rate increases a little and frictional coefficient of journal changes little when misalignment takes place. 结果显示,轴颈倾斜时,轴承油膜压力分布和油膜厚度分布有明显变化,最大油膜压力明显增加,最小油膜厚度减小很多,端泄流量略有增加,轴颈摩擦因数变化不大。
This paper presents the calculating method for stator and rotor harmonics unit leakage permeance, slot end and slot bottom pitch leakage reactance coefficient, starting torque, breakdown torque, and starting current in designing of motors with further pole ratio. 阐述远极比电机设计时定、转子谐波单位漏磁导、槽口、槽底节距漏抗系数、起动转矩、最大转矩、起动电流的计算方法。
After cleaning the winding end, the leakage current becomes normal. 清除绕组端部污秽后,泄漏电流正常。
Analysis and calculation of end leakage reactance of submersible motor 潜油电机端部漏抗的分析与计算
Methods to calculate no-load EMF change from analysis to numeral. Method of field coupling circuits can consider saturation of iron core, end rings of damper windings and end leakage into account. 空载电势计算方法经历了由解析法到数值法的转变,场路耦合的方法可以考虑铁芯饱和、阻尼绕组端部具体连接形式以及端部漏磁等的影响。
DC voltage insulation test has the advantages such as it has little insulation damage to the equipment, the leakage current can be measured simultaneously in the measurement of insulation and it is easy to find the end of the motor insulation leakage. 直流耐压绝缘测试具有对设备绝缘损伤小、在测量绝缘性能时可同时测量泄露电流和便于发现电机端部的绝缘泄露等优点,是电力系统检测中常用的检测方法。
To control shaft end sealing leakage of minitype steam turbine, the difficulty was solved that steel honeycomb seal is difficult to be applied in the units with small rotor diameter and high rotor speed, and steel honeycomb seal was successfully applied in minitype steam turbine. 针对小型蒸汽轮机轴端密封泄漏问题,克服了钢制蜂窝密封在小轴径、高转数机组中应用的难题,并成功实现了工程应用。
Submarine oil pipeline has special application fields. Combined with the fatigue test of flexible pipe, this paper presents thee failure criteria including flexible pipe bulging near end, flexible pipe leakage near end and flexible pipe body leakage. 海底输油软管具有特殊的应用领域,结合软管原型试件疲劳试验,提出软管端部鼓包、软管端部渗漏、软管自身渗漏三种失效准则。
The leakage block structure model of the end roof was constructed, Revealed the mechanism of the end roof leakage of soft seam great mining height fully mechanized working face, and proposed control measures. 构建了端面顶板漏、冒的块体结构模型,揭示了软煤层大采高综采工作面端面顶板冒、漏的机理,并提出了防治措施。
In the end, leakage mouth size, location and obstacles 'effects on flammable gas dispersion were analyzed. 最后逐一分析裂口尺寸、裂口位置和障碍物对易燃气体泄漏扩散的影响。
The slot leakage reactance, the harmonic leakage reactance and the end leakage reactance are focused. 分析计算了高温超导直线感应电机的主电抗和漏电抗,重点分析了漏电抗中的槽漏抗、谐波漏抗和端部漏抗。