A kind of three-phase models of three-winding transformers were presented which overcame some drawbacks in the existent models such as the large error or high dimension and singularity.
本文提出了三绕组变压器的一种新的三相模型,这种模型避免了现有模型存在的误差大或维数高以及奇异性问题。
I had to travel three hours on very rural winding country roads in the dark, with steep drop-offs to get there for this opening shot of the day!
为了拍摄那里日出时的美丽景观,我不得不在夜里经过3小时长途跋涉,走过蜿蜒曲折的乡村道路,深一脚浅一脚地到达那里。
The nearest international airport is three hours away, on a winding narrow road.
离最近的国际机场有三小时路程远,而且还要经过崎岖狭窄的道路。
Reached along winding pathways, each cottage comprises three to five guest rooms, each with its own private entrance.
沿着蜿蜒的途径达成,每间小屋由三到五年间客房,拥有自己的私人每个入口。
Based on the analysis of the differential protection of the double winding transformer, the paper presents a simplified ratio restraint algorithms for the three phase, three winding transformer.
在分析双绕组变压器的差动保护算法的基础上,提出了适用于三相三绕组变压器的比率制动式算法,并对判据进行了简化。
Three typical programs are given, They can be used to compute and draw the armature winding ofd-c motor, the torque speed characteristics and the starting transients of the motor are given.
列举了三个较为典型的解题及绘图程序、即直流电机电枢绕组的机械特性、起动过渡过程的计算与绘制。对每个程序要解决的教学问题及编程的特点作了扼要叙述。
Measurementformotor three-phase winding DC resistance.
测量电机三项绕组直流电阻值。
This article elaborates on the work principle of the three winding and brushless PMDC, developing speed controller with AT89C2051 at ultrahigh frequency, its electric circuit principles and software…
本文介绍三绕组无刷永磁直流电机的工作原理,超频使用AT89C2051研制速度控制器,其电原理及软硬件设计、并给予讨论。
Driving down a winding country road, a man came upon a youth running hard, three huge dogs snarling at his heels.
开车走在崎岖的乡间小路,一个青年艰难地走路,三个巨大的狗咆哮着跟在他脚后面。
New inductances calculating way based on winding function, and three different fault monitoring and diagnosis methods used in squirrel cage induction motors are proposed then.
针对已有方法存在的不足,以鼠笼式异步电动机为主要研究对象,提出了新的电感参数计算方法和三种新的故障诊断技术。
The three most commonly used method of manufacturing FRP are Cross-winding process, continuous winding process and the centrifugal casting process.
国际上现有三种制造夹砂压力管的工艺方法。它们分别是,交叉缠绕工艺、连续缠绕工艺和离心浇铸工艺。
The paper introduces the design method of auto creating system of arrangement diagram for wave winding of rotor for three-phase asynchronous motor.
介绍了三相绕线型异步电动机转子波绕组排列图自动生成系统的设计方法。
The winding streets opened up a completely new world to me when I first come here three years ago.
三年前我第一次来这里的时候,这些弯弯曲曲的街道向我展开了一个完全崭新的世界。
Two-phase winding, three-wire connection. Ungrounded or grounded can be specified.
两相绕组,三线连接。可指定不接地或接地。
The evolution of translation policy of literary translation in China has experienced a winding course divided into three periods.
中国文学翻译的翻译政策经历了一系列的沿革,其过程可分为三个阶段。
By comparison of test results of two prototypes, it is shown that the capacitor three phase induction generator is worth being popularized in winding power system.
通过两台样机进行实验对比,实验数据表明三相电容式异步发电机在风电系统中有很高的应用推广价值。
The machine can perform two-wire, three-wire and multi-wire parallel winding or flat copper wire winding to completely resolve the mechanical winding of voltage transformer secondary coils.
该机可进行双线、三线多线并绕或扁铜线绕制,使电压互感器二次线圈采用机械绕制的问题得到彻底解决。
Each ball has a suite and three standaI'd rooms on two levels, which are connected by a winding stairway.
每个小球分别有一个套间和三个标准间,由一个 旋转式楼梯相连。
With the current feedback module designed with IR2175, three-phase winding current can follow current reference strictly.
采用IR公司的IR 2175芯片设计了电流反馈环节,使得三相定子绕组电流严格跟踪电流给定变化。
Features: apply servo wire winding, step motor wire winding, automatic loading to tooling, automatic shearing and three phases finish in one time.
特点:采用伺服绕线,步进电机排线、自动推入工装、自动剪断,三相一次完成。
Give me the clear blue sky over my head, and the green turf beneath my feet, a winding road before me, and the three hours' march to dinner—and then to thinking!
蓝天白云,草儿青青,曲径通幽,漫步三个小时,欣然就餐——继而细想!在这片人迹罕至的荒野上,总得做点什么才好。
Scarlett picked up the flaring candle and the three walked slowly into the dark hall and up the winding steps toward Gerald's room.
思嘉端起闪亮的蜡烛,三个人慢慢步入黑暗的穿堂,爬上盘旋楼梯,向杰拉尔德的房间走去。
Simulation results show that the improved three-layer BP neural network can implement transformer winding hot spot temperature prediction well.
预测结果表明:改进的三层BP神经网络能够较好地实现变压器绕组热点温度预测。
Three-phase winding, open delta connection. Ungrounded or grounded can be specified.
三相三线绕组,三角形或网状连接,接地或不接地。
In this paper set forth the method of symmetric design for three-phase double layer asymmetric fractional slot winding.
阐述不对称三相双层分数槽绕组的对称化设计方法。
The mechanical driving is composed of three major parts of a winding up structure, an energy storing device structure and a braking on-off control structure.
机械传动分为上弦结构、储存能量器结构、刹车离合控制结构三大部分组成。
Three-phase winding, 4-wire delta connection.
三相绕组,开式三角形连接。
Three-phase winding, 4-wire delta connection. Ungrounded or grounded can be specified.
三相三线绕组,三角形或网状连接,接地或不接地。
Three-phase winding, open delta connection, ungrounded or grounded.
三个分离绕组,有互联相或没有互联相。
Three-phase winding, open delta connection, ungrounded or grounded.
三个分离绕组,有互联相或没有互联相。
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