由于电磁场的高频效应(集肤效应和邻近效应),可能导致电流在各并联绕组层中不均分,产生较高的交流电阻。
Because of high-frequency effects (namely skin effect and proximity effect), the current flowing through those windings may be not equally divided among them, resulting in high ac resistance.
介绍了运用高斯计来探查变压器绕组内并联导线间短路点,并对故障点进行修复的方法。
The method to check short-circuit point between parallel conductors in transformer winding by Gaussmeter and to repair fault point are introduced.
提出一种采用逆变器并联电容器的新方法,该方法通过PWM逆变器控制悬浮力绕组中励磁电流。
A novel method of a capacitor in parallel with inverter is presented, in which current in levitation force winding can be controlled by PWM technique.
详细分析了发电机发生气隙偏心故障时定子绕组并联支路的环流特征。
The generator stator winding parallel branches circulating current characteristics on air-gap eccentric fault were analyzed.
若将他励直流电动机输出功率的机理等效为一个与电动机电枢绕组并联的可变电阻,可以得到他励直流电动机可变电阻型等效电路图。
The output power mechanism of a separately excited DC motor can be equivalent to a variable resistance, which is parallel with the armature winding of the motor.
接着从对称性、力波阶数等角度研究了SR 电机相数及绕组连接方式、极数、并联支路数的选择问题。
Then the selections of phase number, winding connection, pole number and number of branches in parallel are optimized according to the SRM's symmetry and order of force wave.
斜槽;改变定子绕组的并联路数,优化通风风路,优化轴承结构等措施。
Meanwhile skewed slots in rotator, changing the number of parallel circuits of stator windings and optimization of ventilation circuit and shaft structure are also used.
无刷励磁机之励磁机电枢绕组由多路并联改为一路并联,可减少端部连线,减少故障环节。
The windings of brushless excitation generator have been changed to one paralleled circuit from multi-paralleled circuits, which can reduce the connections of end and the trouble.
文章还提出在水坡推板机上利用“定子绕组和转子绕组并联的感应发电机”回收能量的展望。
Finally, an idea of energy recovering with "an induction generator with both stator and rotor windings connected in parallel" is presented.
本文对工作绕组为串联或并联的三相扼流磁放大器(带桥式整流输出)的电磁过程进行了理论分析;
This paper presents a theoretical analysis on the electromagnetic process of three-phase magnetic amplifier of the transductor type with bridge rectifier output circuit .
本文对工作绕组为串联或并联的三相扼流磁放大器(带桥式整流输出)的电磁过程进行了理论分析;
This paper presents a theoretical analysis on the electromagnetic process of three-phase magnetic amplifier of the transductor type with bridge rectifier output circuit .
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