漏抗 meaning in English
secondary leakage reactance
Examples
- Calculation of slot leakage reactance for 3 - phase pole changing double winding adjustable - speed asynchronous motor
双绕组变极调速三相异步电动机槽漏抗的计算 - It can be shown that parameters of each slot are different and some is of big difference from other
从计算结果看,各个槽的交流电阻和漏抗并不相同,且有些相差较大。 - Traditionally , the resolving - transformer consists of former windings and vice windings . but the resulting output voltage will have aberrance owing to the existence of winding resistors and reactance leakage
传统上的旋转变压器常采用原副线圈来组成,由于线圈电阻和漏抗的存在,将使最终输出电势出现畸变。 - Powerformer have some changes in constract with the conventional generator , subsequently it also have some new problems in order to have an economical , efficient , credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design , magnetism design , thermal design and structural design are have some new changes above all , the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first , it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances , including monolayer - slot , multilayer isometric - slot and multilayer anisometric - slot then , the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second , the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced , including stable reactance , transient and subtransient reactance specially , the saturated influence of the stable reactance is considered then , the results are analysed final , it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then , it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence
基于上述原因,本文对powerformer的电磁参数以及定子绕组谐波磁势进行了研究。首先是用解析法推导出powerformer定子绕组槽漏抗的计算公式,考虑了单层圆形半闭口槽、多层等半径圆形半闭口槽和多层不等半径圆形半闭口槽三种情况,并对powerformer样机的定子绕组槽漏抗用解析法和有限元法进行了计算,并比较其结果;其次,简要介绍了有限元法计算powerformer电抗参数的原理,包括稳态电抗、瞬态电抗和超瞬态电抗,对稳态电抗考虑饱和影响,对结果进行分析;最后,介绍定子绕组谐波磁势对电机运行性能的影响并对定子绕组谐波磁势进行了分析。然后通过对定子绕组进行不同排列来分析定子绕组谐波磁势,看看绕组排列对谐波磁势的影响。 - Against a prototype which is being produced , its three dimension end region entity model of stator is established , and with the aim of simplifying calculation , the theory of how to simplify entity model is studied , then the theory is made use of , and the end region entity model of stator is simplifi - ed ; meshing characteristics of three dimension entity model and shortcomin - gs of end region entity model of stator are studied , then meshing method of three dimension end region entity model of powerformer stator is studied as well , and the simplified entity model is meshed with this meshed model , the distribution of end region magnetic field of stator is analyzed , and the magnetic field energy and reactance of powerformer end region are calculated and compared with design value because the prototype is being produced , in this paper , stator core , gap and eddy equipment are not taken into consideration , and this has a little influence on the result , but through analysis , the result is proved to be good through the example calculation , it is known that the method of this paper is useful and through theoretic analysis , it is proved that end region
针对一台生产中的样机,对其建立了定子端部三维实体模型,而且为了达到简化计算的目的,研究了如何将其简化的理论,并应用这些理论对样机定子端部实体模型进行了简化;研究了三维实体模型的剖分特点和定子端部实体模型存在的缺点,在此基础之上,研究了对简化的powerformer定子端部三维实体模型的剖分方法,并且对简化的实体模型进行了剖分。应用剖分的三维实体模型,用有限元法分析了powerformer定子端部的磁场分布,计算了端部区域的磁场储能,并利用磁场储能计算了powerformer定子端部漏抗,将计算值与设计值进行了比较、分析。由于样机处在设计生产阶段,本文暂时没有考虑定子铁心、气隙和涡流器件对端部磁场的影响,这对分析结果有一定的影响,但是仍然得到较好结果。