By raising sealevels, and therefore the grounding line, in their model, Katz's teamwere able to find the point of no return beyond which the glacier wouldbe unable to recover.
海平面上升,因此在模型中地平线也会上升,卡兹的团队发现存在一个临界点,如果冰川超过该点便无法恢复到从前的状态。
The grounding line selector SL-11 has passed field tests of single-phase-grounding line selection in non-solidly grounding system, which is based on current transient traveling wave.
将基于暂态行波的接地选线技术应用于现场,实现了基于电流行波的配电系统故障选线装置SL-11,并在现场对装置进行了多次试验。
The researchers foundthat as long as the grounding line is on the outer rise of the sea bed, before the lip, small changes in climate lead to correspondingly smallchanges in the glacier's ice volume.
研究人员发现只要地平线处于海床的外部隆起处,在裂缝增加之前,气候的轻微变化就会相应导致冰川体积的微妙变化。
And the single phase grounding fault location for transmission line should be the emphases in power system fault detection.
因此输电线路的单相接地故障点定位应是电力系统故障检测的一个重点。
Line grounding fault is the most frequency failure for distribution network, and is also the major problem that distribution network operation is faced with.
线路接地故障是配电网最频发的故障,也是配网运行面临的主要问题。
A calculation method which combines the line electric current model with ring electric current model to calculate the grounding parameters is introduced.
文章介绍一种将线电流模型和环电流模型相结合计算接地参数数值的方法。
Transmission line tower grounding is of crucial importance to the safety and stability of power system.
输电线路杆塔接地对电力系统的安全、稳定运行至关重要。
The paper analyzed in detail that how to improve the motional success rate of grounding protection or automatic line selection device, and gave the concrete Suggestions.
本文对如何提高微机接地保护或自动选线装置的动作成功率,进行了比较系统和详细分析,提出了具体建议。
With an example of two lines short and grounding fault, and one side of breaker of grounding fault line being cut off, the paper illustrates the principle of this calculation method.
文中以跨线并接地的横向故障和接地故障线的一侧断路器断开后的复杂故障为例阐明了该算法的原理。
In this paper a novel intelligent distribution equipment we developed is presented, mainly for suppressing arc in the resonant grounding distribution networks and detecting the earth fault line.
介绍了我们研制的一种新型智能配电设备用于配电网中性点谐振接地系统中快速消弧并对故障线路选线。
Tower grounding resistance, distance between towers, etc can affect the function of line-surge arrester.
输电线路的接地电阻,线路档距等因素对线路型避雷器的应用有影响。
Four, grounding power supply, the cabinet must be ground, check line insulation situation, and then after the test run.
接地电源,机壳必须接地线,检查线路绝缘情况后,方可试运转。
Controllable saturated reactor is widely used in dynamic reactive power compensation, induction motor soft-starting and fault line selection of small current grounding system.
可控饱和电抗器在动态无功补偿、电机软启动、小电流接地选线等方面具有广阔的应用前景。
When grounding fault happens at the time when current is zero, the transient value is too small, in order to prevent it, the paper brings forward the current increment method to select faulty line.
为防止在电流过零点附近发生的接地故障时的暂态量太小,论文提出利用电流增量进行故障选线。
The simulation results shows that it decreases the negative influence made by wave velocity, line length and faults grounding resistance factors, and also improves the accuracy of faults locations.
仿真结果表明此算法减小了传统方法受波速、线路长度、故障接地电阻因素的影响,提高了故障测距的精度。
This article introduces grounding and insulation conditions of screen door system along Line 1 in Shanghai Metro.
本文介绍了上海地铁1号线屏蔽门系统接地与绝缘情况,分析了地铁屏蔽门系统接地绝缘的原因。
The phase comparison between fault feeder and healthy feeder is one of important criteria in fault line selection for neutral non-effective grounding systems.
小电流接地系统发生单相接地故障时,故障线路与健全线路在特征频段内零序电流的相位差别是接地选线判据的重要依据之一。
The insulation methods of several DC systems are compared and analysed. A ping-pang variable bridge measurement is adopted. The ex - act on line detection of grounding resistance is realized.
比较分析了几种直流系统常用的绝缘检测方法,采用乒乓式变电桥测量法,实现了接地电阻的准确在线测量。
The solution has not been found how to judge the resonant state during the single-phase grounding existing on-line.
如何有效地判断系统接地故障后运行方式的变化以及如何有效地测量与之对应的对地电容是目前没有解决的问题。
Results indicate that the method effectively raises the accuracy of faulty line detection for power system with small grounding current.
结果表明,该方法有效地提高了小电流接地选线的准确性。
The fir st two methods have low precisions for influence oft these cases : line parameters , fault point grounding impedance , operating mode of power system.
前两种方法因受一些情况例如参数、故障点接地阻抗、运行模式等影响而具有较低的精确度,而行波法具有较高的精确性。
Research conclusions:In order to guarantee operation safety and reliability of the complete system for passenger dedicated railway line, it is feasible to adopt integrated grounding system.
研究结论:为保证客运专线整个系统运行的安全可靠性,采用综合接地系统是可行的。
An incorporate device of automatic arc-suppression coil and grounding fault line selection based on modularity structure was developed to improve its reliability and flexibility.
为提高可靠性和使用的灵活性,开发了一种模块化结构的自动消弧线圈及接地选线成套装置,给出了二者的硬件设计和接地故障子程序设计。
Based on the detection capacitive equipment's grounding current, the on-line monitoring system of grounding current was designed.
介绍了用于监测电容性设备接地电流在线监测系统的整体构成,其中重点阐述了上位机软件的设计。
This paper gives a general overview of various neutral grounding modes. Some existing theories schemes on the fault line selection have been summarized systematically.
配电网中性点采用小电流接地在世界范围内是一种较流行的接地方式,并在我国配电网中得到了广泛应用。
The metal fins may be grounded to the grounding plate to increase capacitance between the transmission line and the grounding plate.
所述金属鳍可以被接地至所述接地板,以增加所述传输线和所述接地板之间的电容。
Shielding failure is the main reason to cause flashover of the UHV transmission line, so that the shielding angle of grounding wires should be reduced, especially in mountain area.
绕击是造成特高压线路跳闸的主要原因,尤其在山区应适当减小地线保护角。
Shielding failure is the main reason to cause flashover of the UHV transmission line, so that the shielding angle of grounding wires should be reduced, especially in mountain area.
绕击是造成特高压线路跳闸的主要原因,尤其在山区应适当减小地线保护角。
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