该方法基本上不受系统运行方式和过渡电阻大小影响。
The method is not influenced by the operating mode of the system and transient resistance.
传统的阻抗法进行故障定位,难以克服过渡电阻等因素的影响。
The traditional fault location method based on impedance can not overcome the effects of transition resistance, etc.
转子一点接地保护采用变电桥原理,增强了反应过渡电阻的能力。
The rotors one point grounded protection adopts variable electricity bridge principle and can reflect transition resistor better.
通过对测量值的线性拟合,能估计出过渡电阻为零时的测量距离。
Through simulating measured values, the measured distance of zero fault resistance can be estimated.
动态模型也适合于无过渡电阻有载调压和变压器保护等问题的研究。
The dynamic model is also suitable for researching the on-load regulation without transition resistor and the transformer protection.
接地距离继电器要解决的关键问题之一是提高其耐受过渡电阻的能力。
One of the critical problems that need to be solved by a ground distance relay is to improve the capacity of the earth-fault resistance endurance of the relay.
因此,自适应判据有效提高了保护在定子绕组经过渡电阻单相接地情况下的灵敏度。
Thus, the proposed adaptive criterion can effectively improve the sensitivity of generator protection is improved while the single-phase of stator winding is grounded via transition resistance.
由于阻抗法易受过渡电阻、互感器误差、线路结构不对称等因素的影响,所以测距精度不高。
Because the impedance fault location method is easily influenced by the factor such as fault resistance, transformer error and asymmetrical line configuration, the fault location accuracy is lower.
该保护方案的灵敏度不受过渡电阻、雷击、故障类型、负荷电流、系统运行方式等因素的影响。
The sensitivity of the proposed protection scheme is not impacted by the factors such as transition resistance, lightning stroke, fault type, load current and operating mode of power system.
电弧故障是高压输电线路的多发故障,目前众多故障定位算法大多数把故障过渡电阻视为线性定常电阻。
Arcing fault often happens on HV transmission line. Its transient resistance is usually assumed as a linear constant resistance in most of the locating algorithms.
对故障点的过渡电阻还列出一些国外的经验计算式及其典型数据,这对校验保护装置灵敏度是十分必要的。
In addition to pointing out some experienced formulas abroad for taking count of the resistance of the fault itself and its typical data.
因此,本文的目的是提出合理的保护方案,消除过渡电阻和串联补偿的影响,实现保护的正确、及时动作。
Therefore, in order to act correctly and timely, a reasonable protection scheme is put forward to avoid the influences of the transition resistance and the in-series compensation equipment.
结果表明该方法选线准确,耐过渡电阻能力强,并且易于实现与消弧线圈自动调谐装置的一体化协调运行。
With the integration of the method into the automatically regulated arc suppression coil compensation devices we can make feasible and…
深入细致地分析了谐波、间歇电弧、电流互感器、负荷、过渡电阻等多个因素对故障选线结果的影响,为方案的实用化奠定了基础。
The influences of several factors such as harmonics, intermittent arc grounding, ct, load and fault resistance have been thoroughly analyzed, therefore, it is fundamental work for its application.
对产生这种现象的物理机制进行了探讨,并提出在过渡区卡尼亚视电阻率曲线的一个改正方法。
The physical mechanism of such a phenomenon was studied, and a method for correcting the curve in the transition region was put forward.
本文在分析LR电路过渡过程的基础上,讨论了以特定激励源实现变压器绕组电阻零时间常数测量的方法。
On basis of LR circuit transition process analysis, the paper describes measuring method of zero time factor for transformer wire-wound resistor with specific exciting supply.
通过实验分析确立了把光纤电阻作为衡量气密性碳涂覆光纤通过2%应变筛选的过渡标准。
It is determined through experimental analysis that the resistance of an optical fiber is taken interim as standard of air sealed carbon coating optical fiber for 2 % -strain screening.
烧结,冷却高压电机采用起动电流冲击小,过渡平稳的液态电阻降压起动。
Sintering, cooling high-voltage motors used starting current impact of small, smooth transition of liquid resistance buck starter.
爆炸复合材料的界面电阻,是用其制作的异种金属导电过渡接头的一项重要的技术指标。
Interface resistance of explosive composite materials, which are used to produce different kinds of metal electric transit point, is an important technique target.
具有如此小的界面电阻值的过渡电接头,在电力、电子和电化学工业中有很大的应用价值。
It has high application value in electrical, electronic and electrical chemistry industry because of its small value of interface resistance at transit electrical point.
SOI衬底顶层硅呈现高阻状态,合适温度的退火可以明显降低SOI衬底顶层硅电阻率,也可部分减少外延高阻过渡层厚度。
The annealing at the proper temperature may decrease the resistivity of SOI substrate obviously and also improve the resistivity of epitaxial transitional layer partly.
研究结果一方面表明了考虑过渡带和低阻环带可以提高测井解释的准确度,另一方面也为用多电极系电阻率测井探测侵入带提供了理论依据。
The results indicate the effect of the transition zone and the annulus on the resistivity log interpretation is significant. This study provides a theoretical bas…
研究结果一方面表明了考虑过渡带和低阻环带可以提高测井解释的准确度,另一方面也为用多电极系电阻率测井探测侵入带提供了理论依据。
The results indicate the effect of the transition zone and the annulus on the resistivity log interpretation is significant. This study provides a theoretical bas…
应用推荐