九域图原理是电压无功控制的成熟理论，但在处理三绕组变压器时有一定的难度。
The nine-zone graph theory is widely recognized in reactive power optimization but hard to deal with three-coil transformers.
电抗器可直接接在输电线路上或接在变压器第三绕组上，每种接法给系统带来不同的好处。
Reactors may be either directly connected to the transmission line or connected on transformer tertiary windings, each location offering specific system benefits.
在分析研究三绕组配电变压器等效电路的基础上，介绍了三绕组配电变压器阻抗及等效电路参数的工程计算方法。
Based upon the analysis of an equivalent circuit for distribution transformer with three windings, an engineering calculation method for the reactance and parameters of this transformer is introduced.
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。
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.
因此三台三绕组变压器间通过负载的相互调整可实施分列运行、并列运行与不同台数组合运行方式共计289种。
So totaled 289 kinds of operation modes are presented, such as load adjusting, splitting, parallel and different sets combination etc, among the three transformers.
对由两台三绕组变压器组成的系统进行计算，结果令人满意，验证了基于动态规划法求解该问题是可行的和有效的。
The calculation result of power system composed of two three-coil transforms is satisfying, which proves it available to solve the problems on base of dynamic programming method.
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。
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.
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。
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…
利用有限元算法分析了三相电力变压器绕组各线匝在不同运行模式下电动力引起振动。
Based on finite element method (FEM), the vibration of power transformer windings caused by electrodynamic force is analyzed.
三(3)个串联的、能够正常关闭、自动重置温控器应该植入定子绕组的相邻相位上。
Three (3) normally closed, automatic reset thermostats connected in series shall be embedded in adjoining phases of the stator windings.
一个三角形条带的外观。表面法线？或绕组？
Appearance of a triangle strip. Surface normals? Or windings?
测量电机三项绕组直流电阻值。
在得到电励磁爪极发电机三维磁场的基础上，用能量摄动法计算绕组电感参数。
In addition, the inductances of the windings of the conventional claw-pole alternator are achieved.
发电机的谐波组开路或短路，无三次谐波电压输出，检查绕组接头或拆换绕组。
If no triple overtone voltage, check the winding lug or replace with another winding.
三个分离绕组，有互联相或没有互联相。
Three separate windings, with and without phases interconnected.
三维电动机各相绕组电流的独立性，使得该电机在运行状态下也可能产生泵升电压。
The independence of all windings of three dimensional motor makes it possible to produce pump voltage when running.
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 paper introduces the design method of auto creating system of arrangement diagram for wave winding of rotor for three-phase asynchronous motor.
通过改变励磁电流的大小，得到了基波绕组和三次谐波绕组的空载特性曲线。
The first harmonic winding and harmonic winding no-load property curve are gained when field current is change.
当供电电源一相断开以及定子绕组一相断开时，均将导致三相感应电动机的缺相运行。
When Power supply transformer and a continuous phase stator windings call for a phase, it may cause the three-phase induction motors running.
本文借助计算机对多极正余弦第三型绕组进行设计计算。
In this article multipolar resolver sine-cosine third winding is designed and calculated by computor.
介绍了三峡左岸电站水轮发电机定转子绕组绝缘材料的国产化研究成果和实际应用情况。
This paper describes the study results and actual application instances of national-made insulation materials of the stator and rotor windings for Sanxia Left Bank Power Plant Generators.
改良麦氏输出变压器的三个绕组采用三线并绕，当然，也需要考虑绕组的极性。
The three windings of this modified version of the McIntosh output transformer are wound trifilar, again with proper consideration given to polarities.
两相绕组，三线连接。可指定不接地或接地。
Two-phase winding, three-wire connection. Ungrounded or grounded can be specified.
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 .
基于小波变换的分析方法，提出了基于定子三相电流之间相位对称度检测的定子绕组匝间短路故障在线检测新方法。
Based on wavelet transform, a novel on-line detection method is presented, which is based on the detection of symmetry degree among the stator three-phase line currents phases.
在三相感应电机运行的各种故障中，绕组缺相故障的发生率较高。
In all faults of Three-phase induction motors, stator phase failure has a higher rate.
本型零序电流互感器为全封闭式。二次绕组及铁芯均浇注在聚脂树脂内。中间窗孔供三相电缆穿过。
The zero sequence current transformer is full enclosed type. The secondary windings and iron core are insulated by epoxy resin. The middle hole is used for cable going through.
三个串联的、能够正常关闭、自动重置温控器应该植入定子绕组的相邻相位上。
Three normally closed, automatic reset thermostats connected in series shall be embedded in adjoining phases of the stator windings.
三个串联的、能够正常关闭、自动重置温控器应该植入定子绕组的相邻相位上。
Three normally closed, automatic reset thermostats connected in series shall be embedded in adjoining phases of the stator windings.
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