Onishi says they are absolutely "neutral" at the moment and that both plans have good points and bad points. 尾西健说,他们眼下立场绝对“中立”,因为美国航空与达美航空提出的计划各有优缺点。
The Neutral Zone is the space between the forward and backward points of the ball ( planes). 关于中立区和侵犯中立区,中立区指的是球的前后竖直平面。
No direct connection from either transformer neutral points or generator star points to earth is permitted. 禁止任一变压器中性点或发电机始点处直接接地。
This paper presents a new phenomenon found for unbalanced power flow solutions: the existence of two voltage solutions at the neutral points of unbalanced three-phase circuits. 指出了不平衡潮流解中的一个新问题:三相不平衡电力系统的中性点存在2个电压解,对特定的不平衡参数存在一对解,其中有些是实数,有些是共轭复数。
In neutral pH medium, the mechanism of collector sodium oleic acid on the surface of rhodochrosite belongs to chemical absorption, The paper points out. 在中性pH介质中,捕收剂油酸钠在菱锰矿表面的固着机理,主要属于化学吸附。
In selection of neutral points, a concrete analysis of concrete problems should be made. The same operational manners has different forms in different voltage degrees and electric power system wiring. 中性点运行方式的选择要做到具体问题具体分析,同样的运行方式、不同的电压等级、不同的电力系统,接线采用的形式可能不同。
Study on New Leading-out Mode of Neutral Points of Large Turbo-generator 大型汽轮发电机新型中性点引出方式的研究
Disadvantages of traditional grounded neutral system of urban distribution network are analyzed briefly. The strong and weak points in resistance neutral grounding are analyzed as well. The basis of selecting the grounded neutral system in urban power network is put forward. 简要分析了城市配电网传统中性点接地方式的弊病,分析了中性点电阻接地方式的优缺点,提出城市配电网中性点接地方式选择的依据。
Research of Single Phase-to-ground Monitor and Line Selection Installment for Electrical Power System with Ungrounding Neutral Points 中性点不接地电力系统单相漏电监测和选线装置的研究
Analysis of Abnormal Displacement Voltage of Neutral Points in Compensated Electric Network and Its Control Measure 补偿电网中性点位移电压异常的原因及对策
The control measures of abnormal displacement voltage of neutral points in compensation electric network are introduced based on power networks operation, arc suppression device structure, tuning and operation manners. 基于电网运行、消弧装置结构和调谐运行方式诸方面的研究分别对补偿电网中性点位移电压采取了控制措施(如调整电网结构,加大消弧线圈补偿回路的阻尼率等)。
The conclusions show that measurements of relay protection could not reflect operation states of primary system and criterion of PT secondary broken connection may result in false operation when the connection between neutral points of PT and voltage transducers is broken. 结论表明:当二者中性点断开时,保护装置的测量结果不能正确反映一次系统的运行状态,PT断线判据可能误动;
This paper, from the technological perspective, analyzes the causes of displacement over-voltage of neutral points, break-line over-voltage, iron magnetic resonant over-voltage& arc over-voltage, and proposes more than two technical solutions to these problems. 本文首先从技术角度分析中性点位移过电压、断线过电压、铁磁谐振过电压和弧光过电压产生的原因,然后提出两种解决以上问题的技术措施。
The paper analyzes the influence of connection mode between neutral points of PT and voltage transducers on actions of relay when phase B is grounded in PT secondary side. 文章分析了当PT二次侧采用B相接地时,PT与电压变换器的中性点连接方式对保护动作行为的影响。
Two typical wiring schemes of the differential protection for three-phase to four-phase transformer is constructed for the first time, these two schemes are suited to the operating modes of grounding and ungrounding neutral points at the both sides of the above mentioned transformer. 首次构成了三相变四相变压器差动保护的两种典型接线方案,这两种接线方案均适合于所述变压器两侧中性点的接地或不接地运行方式。
The locations of neutral points is varied along the lateral direction and calculated according to each strip element, so the three-dimensional asymmetric deformations process of the plate and strip is simulated more factually. 在B样条条元法中,通过分条计算中性点的位置,更真实地模拟了板带轧制时的三维不均匀变形。
However, performance appraisal is neutral in itself, the experiences and perceptions in performance appraisal are key points that can influence employees 'job attitudes and behaviors, and fairness perceptions in performance appraisal is very important among these experiences. 然而,绩效考核本身是中性的,对绩效考核的体验与感受才是影响员工工作态度和行为的关键,而这其中又以绩效考核公平感最常见、最重要。
Install the sensors in the test points, with in neutral and fourth gear cases, in the low-speed medium-speed and high-speed of the engine, speed signal are collected on the test points. 在测试点上安装瞬时转速传感器,在空档和四档两种情况,分别对发动机低速、中速和高速6种工况下,采集3个测点的瞬时转速信号。
Basing on the distribution network of three neutral grounding analysis, this paper points out the grounding of its operating characteristics and problems. 本文通过对配电网三种中性点接地方式进行分析,指出其接地方式的运行特点和存在的问题。