查询词典 triangle winding

Then detailedly introduces the principle of pole-changing modulating speed and design feature in times pole proportion and non times pole proportion in the Mixed pole-changing simplex winding multispeed asynchronous motor , carry on discuss to the main parts of electrical machinery electromagnetism computation; by using VISUAL BASIC under WINDOWS platform for computer-aided design method for the mixed pole-changing simplex winding multispeed asynchronous machine, carries on profound analysis for the computer-aided design in the following aspect such as rotor and setting flush piece size, groove shape size, the rotor and setting winding connection, and start performance.

本文在介绍了单绕组多速电动机的概况，阐述了目前多速电机的发展现状与前景；利用槽号相位图以及混相原理对变极绕组进行了研究，确定了绕组的混相方案；并详细地介绍了混相变极单绕组多速电机在倍极比与非倍极比时的变极调速原理以及设计特点；对电机电磁计算的主要几个部分进行了讨论；介绍了使用WINDOWS平台下的VISUAL BASIC对混相变极单绕组多速异步电机的计算机辅助设计方法，对混相变极单绕组多速异步电机的定转子冲片尺寸、槽形尺寸、定转子绕组接法、定转子相带、起动性能的几个方面的计算机辅助计算进行了深刻分析；最后，对混相变极单绕组多速异步电机的样机检测试验结果进行了分析。

A model of self-controlled synchronous motor (including double armature winding synchronous motor) is developed which takes account of damper winding according to its actual structure. The damper winding is represented by two sets of loop on each axis based on multi-loop method and bar currents may be calculated.

本文首先建立了包括参数计算在内的自控式同步电动机（包括双电枢绕组自控式同步电动机）的数学模型，该模型采用多回路法处理阻尼绕组，便于计算阻尼条的电流，可以比较准确地分析阻尼绕组对电机运行性能的影响。

Based on the transient simulation program of stator winding internal faults in synchronous generator, this paper presents the effect of stator winding and damper bar resistance on transient and steady currents. It is very necessary to calculate precisely the resistance of stator winding and damper bar resistance in order to simulate fault correctly.

应用同步发电机故障暂态仿真程序分析了定子和转子回路的电阻对发电机故障暂态过程的影响，结果表明为了准确进行发电机内部故障暂态过程计算，应该全面考虑影响的各种因素，准确求取定子和转子回路的电阻。

Winding: winding on the φ 5mm bakelite bar with the winding machine (2) temperature seasoning: 48 hour in silicon oil, 1 hour in LN2,(3) coil sealing: polyester,(4) pressure seasoning: keeping 30 minutes in 8000 10000kg cm2,(5) firm fix of the pressure gauge.

线圈之缠绕：利用绕线机缠绕 5mm 电木棒，(2)温度季化： 48 小时於矽油中， 1 小时於液态氮中，(3)线圈封装：使用香乳胶封装线圈，(4)压力季化：加压一次 30 分钟到 8000 10000kg cm2 ，(5)固定压力计。

The effect of pole-arc coefficient、 air-gap、 damper winding and magnet circuit saturation for no-load property of harmonic winding by it . So, in this article, we bring forward a new idea and method to analyze no-load property of harmonic winding of synchronous generator by third harmonic excitation.

根据三段法，分析了极弧系数、气隙、阻尼绕组和磁路饱和等因素对谐波空载特性的影响，为分析谐波励磁同步发电机谐波绕组空载特性提供了一种新的思路和分析方法。

On the basis of instantaneous forced analysis to short circuit of power transformer and numerical value calculation using low voltage impulse analysis, the paper presents the essentiality of winding distortion after short circuit of power transformer. By contrasting the three main ways of the world such as low-voltage impulse、 short circuit impedance analysis and frequency response analysis , FRA is adopted for distortion testing. Then we design a new testing instrument of transformer winding distortion—testing system of transformer winding distortion.

本文首先在对电力变压器短路时的瞬时受力分析及所受电磁力的有限元法的数值计算的基础上，论证了电力变压器短路以后进行绕组变形测试的必要性；然后通过比较的方法对目前国内外主要使用的三种方法：低压脉冲法、短路阻抗法和频率响应法，进行了一一对比，并根据对比结果，确定在本课题中使用频响法；最后在理论研究的基础上，设计出了一种新型的变压器绕组变形测试仪——电力变压器绕组变形测试系统。

The pressed powder core part comprises a winding guide groove preventing the winding along the extending direction of the winding slot part from being displaced.

所述压粉铁芯部包括用于防止所述线圈沿所述线圈槽部的延伸方向偏移的线圈引导凹槽。

The research aim of this thesis is the winding end insulating structure of oil immersed power transformer 110kV . Beause of the very asymmetric electric field, the higher electric field would apeared in the oil-gap and partial charge will easily engendered in the wedge oil-gap between static ring and head block of winding end.The two-dimensional isoparametric and finite element method is used for analyzing and calculating the electric field distribution in high voltage winding end insulating structure.

本文以110kV油浸电力变压器绕组端部绝缘结构为研究对象，针对绕组端部绝缘结构中静电屏与垫块之间存在楔形油隙区，致使电场分布很不均匀，油隙区中的电场强度较高，容易产生局部放电的特点，采用二维等参元有限元法及有限元软件ANSYS电磁场分析功能对高压绕组端部绝缘结构进行电场计算分析。

The power cord winding structure includes power cord reel assembly for winding the power cord into several turns maintained inside the main body; and power cord hooks extending from the back of the main body for winding the residual part of the power cord onto outside of the main body.

上述电源线缠绕结构包括：电源线卷轴组件(40)，可以将电源线(45)缠绕若干圈后保存在本体的内部；电源线挂钩(45b)，从本体的背面突出，用来将在电源线卷轴组件(40)上缠绕之后剩余部分的电源线缠绕在本体的外部。

Triangle with three acute angles is called acute angle triangle.

重点句子： 1。*三个角都是锐角的三角形叫做锐角三角形。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。