Movable-core high leakage reactance transformer, single-phase bridges rectifying and reactor serial structure for main circuit. 采用动铁心式高漏抗变压器,主电路采用单相桥式整流电路与电抗器串联结构形式。
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
The fundamental stator slot leakage reactance and3-order harmonic stator slot leakage reactance are derived by means of slot specific permeance expressions. 从槽比漏磁导公式出发求出了基波与3次谐波下的定子槽漏抗。
Both theoretical analysis and simulation prove that rationally designed leakage reactance of the primary winding can play a role of balancing reactor. 理论分析及仿真计算证明:地铁车辆辅助电源中变压器原边绕组的漏抗通过合理的设计,可以起到该平衡电抗器的作用。
Using controlled reactor of transformer type with high leakage reactance as new automatic tracking compensation device of distribution system was studied in the paper, which could automatically adjust arc suppression coil. 研究了采用高漏抗变压器型可控电抗器作为新型的配电系统自动调整消弧线圈的自动跟踪补偿装置的问题。
In this paper, the general mathematic model and equivalent circuit of dual stator-winding induction machine are proposed. The analytical calculations of leakage reactance of dual stator-winding induction machine with different winding structure are presented systematically, the relevant formulas are derived. 首先给出了定子双绕组异步电机通用数学模型及等效电路,采用解析法对不同绕组结构的定子双绕组异步电机漏电抗计算进行了系统地分析,导出了相应的计算公式。
Design Investigation of High Leakage Reactance Transformer 高漏抗变压器设计探讨
The requirement for leakage reactance on stator of PMSM supplied by voltage type inverter is analyzed, and some parameters are selected, such as electromagnetic load, slots shape of stator and so on. 分析了电压型逆变器供电的永磁同步电动机对定子漏抗的要求,确定了电磁负荷以及定子槽形等参数的选取原则。
Analysis of replacing balancing reactor for parallel rectifiers with leakage reactance transformer 变压器漏抗取代并联整流器平衡电抗器的分析
NEW METHODS OF LEAKAGE REACTANCE MEASUREMENT OF ARMATURE WINDING FOR SYNCHRONOUS MACHINES Identification of Leakage Reactance for Asynchronous Motor 同步电机电枢漏抗的测定新方法异步电动机漏抗参数的辨识
Accurate calculation of leakage reactance is key to design of electric machine. 漏电抗的准确计算是电机设计中十分关键的问题。
In this paper, FEM method in references [ 1,2] is improved by considering the resistance and leakage reactance of end rings into that of bars of cage rotor, thus the deficiency of two dimensions calculation is remedied. 本文利用把转子端环电阻和端环漏抗计入转子导条电阻和槽漏抗的办法,对文献[1,2]的有限元计算方法进行了改进,弥补了二维计算的不足。
By means of simulation of impedance Frequency characteristics, this paper analyzes the influence of transformer tertiary winding leakage reactance on harmonic filtration. Based on theoretical analysts the authors put forward the method to solve the above-mentioned problem. 本文通过阻抗频率特性仿真,分析了变压器漏抗对滤波效果的影响,并从理论上提出了解决上述问题的方法。
Winding design and calculation on rotor slot leakage reactance of a 3Y/ 3Y pole-changing motor 3Y/3Y变极电机的绕组设计和转子槽漏抗计算法
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。
Considering the skin effect of rotor bar and magnetic field distribution, the rotor slot leakage reactance of different poles and loads is calculated by sinusoidal time-varying finite element method and energy method. 考虑转子导条集肤效应和磁场不同分布,采用正弦时变有限元法和能量法计算了不同极数下起动时和不同负载时的转子槽漏抗。
Analysis and calculation of stator leakage reactance of Powerformer 能量变换器定子漏抗的分析与计算
After the analysis on the influence of transformer leakage reactance on multi phase rectifier, a design idea to replace the balancing reactor with transformer leakage reactance is put forward to eliminate the unfavorable effects by the balancing reactor. 在分析了变压器漏抗对多脉波整流器影响的基础上,提出利用变压器漏抗取代平衡电抗器的设计思想,从而消除了平衡电抗器所带来的负面影响。
Finally, a dual stator-winding induction generator with excitation regulator is designed, and its leakage reactance, characteristics and performance are calculated. 最后,利用所得计算公式设计了一种静止励磁调节器控制的定子双绕组异步发电机,并对其定子漏电抗参数、性能指标及运行特性进行了计算。
In this paper, the leakage reactance of transformer is computed by using image method. 本文对用镜像法计算变压器的漏电抗进行了研究,并实算了两台大型变压器的漏电抗。
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。
Simultaneously, the effect of resister and leakage reactance to starting performance of motor is studied and some helpful conclusion is got. 同时,研究了转子电阻、漏感的变化对电机起动性能的影响,得出了一些有益的结论。
Influence of Transformer Tertiary Coil Leakage Reactance on Harmonic Filtration and Its Solution 变压器第三线圈漏抗对滤波效果的影响及其解决方法
The effect of coefficient of the pitch leakage reactance on the performance calculation of asynchronous motors is discussed. 分析了节距漏抗系数对性能计算的影响。
Based on the fundamental of electromagnetics, are summarily derived idle, load and short-circuit voltage as well as current and leakage reactance formulas. 并根据电磁基本原理推导出空载,负载和短路时的电压、电流和漏抗的计算公式。
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。
Analysis and calculation of end leakage reactance of submersible motor 潜油电机端部漏抗的分析与计算
Based on full current theory, derive formula of slot leakage reactance from magnetic field energy calculation. 采用全电流定理,由磁场能量的计算推导出槽漏抗计算公式。
Combined with the particularity of the HTS LIM equivalent circuit parameters, the test method of separating the primary leakage reactance and the main reactance of the motor is studied. 结合高温超导直线感应电机等效电路参数的特殊性,研究了分离电机初级漏电抗和励磁电抗的试验方法。
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。