The results of the experiments prove that the circulating current method is feasible. It will bring mu…
实验结果表明环流法可在线检测电缆金属护套多点接地。
The generator stator winding parallel branches circulating current characteristics on air-gap eccentric fault were analyzed.
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。
Thus the analytical expressions for calculating the length of voids and its circulating current loss ratio have been deduced.
导出了计算其空换位长度及相应环流损耗比值的解析式,供设计大型交流电机定子线棒时参考。
This paper studies the influence of converter transformer D-bridge zero sequence circulating current on valve short circuit protection.
笔者研究了换流阀三角形侧零序环流对阀短路保护误动作的影响。
The Vacon-patented method of synchronizing parallel inverter (Active Front-End) units minimizes the circulating current between the units.
伟肯的同步平行变极器专利设备在设备间将环形电流最小化。
Meanwhile in allusion to the problem of uniform triphase chopping circulating current in DC side, dynamic share current control strategy was employed.
同时针对直流侧三重化斩波三相电流环流问题,确立采用动态电流均流的控制策略。
This paper introduces theoretical basis and method of measuring transformer differential protection phase by transformer differential circulating current method.
介绍了用差压环流法测量变压器差动保护相位的理论依据及方法。
Measurments of the strand current show that the basic and harmonic circulating current losses in the stator barrel type coil of ac machines are quite significant.
真机实测股线电流表明,交流电机定子圈式线圈并联股线间存在相当可观的基波和谐波环流损耗。
It analyzed the principle of parallel inverter, established the mathematical model of parallel inverter, and researched the circulating current of parallel inverter.
分析了变频器并联运行的原理,建立了变频器并联的数学模型,研究了变频器并联运行时的环流特性。
The operating principle of three--vane external circulating current piston pump was studied and the conditions of liquid seal and non--interferrence of the pump were got.
通过对三叶外环流活塞泵工作原理的研究,得出了它的封液条件和不干涉条件,并给出了设计方法和有关公式。
Furthermore, it has satisfactory computation precision due to the use of multi - section method for the calculation of leakage magnetic field and the circulating current losses.
同时,由于计算漏磁场和环流损耗时采用了多截面法,还具有较高的计算精度。
By digital adjustment with high precision on the DC bias of reference sine wave, the DC bias contained in inverter output voltage can be adjusted to restrain DC circulating current.
通过对逆变器基准正弦波直流分量的高精度数字调节,相应调节逆变器输出电压直流分量以抑制直流环流。
Neutral current neutral current is the current that flows in the neutral leg of a paralleling system. Often, this term is used in reference to circulating currents or cross currents.
零线电流零线电流指的是通过并联系统零线的电流,在谈及环流电流或者交叉电流时常会提到这个术语。
In this paper, the instantaneous model of zero-sequence circulating current between parallel three-phase inverters with three-pole reactors and three-pole transformers is established.
该文基于三磁柱变压器及三磁柱电感的动态方程建立了带三磁柱电感及三磁柱变压器的三相逆变器瞬时零序分量模型。
The equivalent circuit of parallel inverters is acquired from the single inverter equivalent circuit and the circulating current of parallel system is given in condition of different frequency.
根据单台逆变器的等效电路得到了并联系统的等效电路,给出了并联系统的在不同等效电路下环流的大小。
This paper focuses on the parallel system of High-frequency UPS, including analyzing of the circulating current characteristics, parallel control, bypass switching strategy, protection and monitor.
本文以高频ups的并联系统为研究对象,研究分析了高频ups并联系统中的环流特性、并联控制、切换保护和系统监控等内容。
For a parallel inverter system without output isolating transformers, discrepancy in DC biases contained in the output voltage of each module can cause large DC circulating current among inverters.
对于无输出隔离变压器的逆变器并联系统,各模块输出电压直流分量不一致会在模块间产生较大的直流环流。
However, there is also an eddy of cooler water (purple) circulating counterclockwise at the top of the Loop Current.
不过,在洋流的顶端还出现一个逆时针方向旋转的水流(紫色部分),而且温度较低。
Some Chinese scholars and commentators have been circulating more radical visions of how China should use the current crisis to boost its strategic influence.
围绕中国怎样利用当前危机,以增强其战略影响力的激进问题,一些中国学者和评论员喋喋不休地争论着。
The major limitation of current cardiac troponin assays is their low sensitivity at patient presentation, owing to a delayed increase in circulating levels of troponin.
当前心肌肌钙蛋白检测的主要局限是由于在循环系统中的肌钙蛋白水平增长滞后,造成其在部分病人表现为低灵敏度。
The latest news adds weight to the once-idle rumors circulating in recent months that Apple plans on adding a third iMac model to its current range of 21.5-inch and 27-inch iMac offerings.
凑巧的是,近几个月曾有传言称苹果会为21.5寸-27寸尺寸的iMac系列产品增加一款新型号.
In the authors opinion, the poet denied the circulating time and linear time, while affirm the instantaneous time and current time.
本文认为,诗人否定了循环时间和线性时间,但肯定了作为“瞬时性”与“当下性”的时间。
For the simple-phase feature of traction grid and the active power circulating between the two arms, an improved method of simple-phase compensating current detecting is used.
对于牵引网的单相性以及实现两臂负荷有功功率的流通,采用了改进型的单相补偿电流检测方法;
The paper analyzes the current situation and reasons of the defacement of circulating books in university libraries, points out the hazards and proposes some countermeasures against the problem.
文章分析了高校图书馆流通图书污损的现状及原因,指出了这种情况的危害,并进而提出了解决图书污损问题的方法与对策。
The current society is one of circulating information. We must update our information sources constantly to stand fast in society.
当今是个信息联通的社会,我们只有不断地更新我们的信息资源,才能够在社会中立足。
By testing the current in circulating flume, vertical and radial distributions of current velocity are obtained.
通过对环形水槽水流测试,得出流速垂向和径向分布。
From the test of silt deposition in dynamic water, the influence of cross-wise current on silt deposition is analyzed. And finally, the prospect of application of circulating flume is described.
依据泥沙动水沉降试验,分析横向流对泥沙沉降影响,指出环形水槽应用前景。
Features: Made of Stainless steel; adopting air-current circulating heating system and adjustable shelves, thermostat and timer; also we supply the double-door model.
特性:全不锈钢柜体、热风循环发热系统、可调节式碗碟层架、自动控温和定时装置、电子面板控制、并有双门型号提供。
From lead to the fact enterprise circulating fund nervous reason start with, analyze, come clear enterprise need countermeasure that implement through current situation this text.
本文从导致企业流动资金紧张的原因入手,通过现状分析来明确企业需要实施的对策。
From lead to the fact enterprise circulating fund nervous reason start with, analyze, come clear enterprise need countermeasure that implement through current situation this text.
本文从导致企业流动资金紧张的原因入手,通过现状分析来明确企业需要实施的对策。
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