1)ampacity[?m'p?siti]载流量
1.Calculation of ampacity reduction factors for buried cables with surroundings based on FEM;基于FEM的直埋电缆载流量与外部环境关系的计算
2.Research on forecast and alarm system of ampacity on-line for power cable;电力电缆在线载流量预测报警系统的开发研究
3.Numerical Simulation of Thermal Fields and Ampacity of Underground Power Cables;地下电力电缆温度场及载流量的数值计算
英文短句/例句
1.The Research of Relationship of Wire Current-carrying Capacity,Temperature and Energy Conservation导线载流量、载流温度及节能间关系的探讨
2.Analysis of the Current Carrying Capacity of Cables Applied in 22 Type Renewed Cars22型翻新车采用电缆的载流量分析
3.Numerical Computation on Temperature Field and Ampacity of Underground Cables;地下电缆温度场和载流量的数值模拟
4.Experimental Research on Ampacity of Extruded Power Cable Under Complex Operating Condition复杂运行条件下交联电缆载流量研究
5.Experimental Research on the Current Rating of 10 kV Three-core XLPE Cables10kV三芯交联电缆载流量的试验研究
6.Increasing Cable Ampacity by Pumping Heat-conducting Material into Ducts管道内填充导热介质提高电缆载流量
7.This paper puts forward a new method of determining the greatest no_ load flow rate for servo valve, selecting effective area and defining flow rate for a pump according to load locus.给出了根据负载轨迹确定伺服阀的最大空载流量、缸的有效面积以及油泵流量的方法。
8.The calculation guide of the drum (reeling) cable's current ratingGB/T12826-1991移动设备用卷绕电缆载流量计算导则
9.The ampacities of cables are solved with dichotomy.电缆的载流量采用二分法进行迭代求解。
10.The Balanced Gateway Research of FreeBSD Load Based on NAT一种基于负载流量矩阵的均衡网关技术研究
11.flow control and overload relief valve流量控制过载溢流阀
12.Ampacity Ampacity is the safe current-carrying capacity of an electrical conductor in amperes as defined by code.载流容量载流容量是以安培数来定义导线安全载流能力。
13.spring-loaded variable-head flowmeter弹性加载可变压头流量计
14.The Accurate Measurement of Load Currents in High-voltage Supplies高压直流电产生的负载电流的精确测量
15.When measuring current, connect the meter in series with the loa当测量电流的时候，把计量器与负载串联。
16.Signal detection and processing techniques in a new airborne mass flowmeter新型机载质量流量计的信号检测与处理技术
17.Minority Carrier Lifetime of Silicon Solar Cell Research and Measurement;硅太阳电池少数载流子寿命研究与测量
18.Research on the Cool-Season Stocking Capacity and Present Situation of Grassland in the Xilin River Basin;锡林河流域草地现状及冷季载畜量研究
相关短句/例句
current carrying capacity载流量
1.The temperature profile and current carrying capacity in the transient state and steady state of the power cables buried in multilayered soil were investigated.研究了埋设于复杂土壤中的电力电缆在暂态和稳态情况下的温度场和载流量,用有限差分法离散传热方程,对电缆和土壤区域分别采用极坐标和直角坐标;为了加快计算速度,采用了不均匀网络。
2.To describe the double capacity conductor,its research condition is introduced and its produce material,current carrying capacity,expansion coefficient is analysed,and its advantages such as good mechanical strength,large current carrying capacity and improvement of power quality is proposed.介绍了倍容量导线的研发状况,对制造材料、载流量、导线膨胀系数、耐腐蚀性能等进行了分析,指出倍容量导线由于有优良的机械强度、载流量大、改善电能质量等诸多优点,正日益受到重视。
3.The insulation performance,the maintainability of vacuum system and current carrying capacity are needed to technically investigate.从技术上论证其可行性需要考虑绝缘、真空系统维持和载流量3方面的内容。
3)current-carrying capacity载流量
1.,the current-carrying capacity tests with three kinds of cable laying way were carried out,such as 1×4 four triple-core 10 kV XLPE cable,3×4 twelve triple-core 10 kV XLPE cable,3×4 triple-core 10 kV XLPE cable and 3×4 triple-core 110 kV XLPE cable totally 24 cables.文章针对无锡电力公司东亭变电所的电缆线路,进行了一排4孔(1×4)4根10 kV三芯交联电缆、三排4孔(3×4)12根10 kV三芯交联电缆、三排4孔(3×4)10 kV三芯电缆及三排4孔(3×4)110 kV单芯电缆共24根电缆等3种电缆敷设方式的载流量试验。
2.In the original expansion retrofitting of old projects application of heat-resistant conductor material can increase the current-carrying capacity by 50% in conditions of no change of the original configuration.耐热导线材料是一种性能良好的特种材料,项目扩容改造时,在基本不改变原有配置的基础上,采用耐热导线材料可以提高载流量50%。
4)current capacity载流量
1.The choice and definition of mediator-heat transfer resistance and current capacity in the power cable designing;电力电缆设计中媒质热阻和载流量的选择与确定
2.On the basis of that inhere equipment has not be changed approximately in expanding capacity of old projects if heat-resistant conductor material has been used and the current capacity could raised 50%.在老项目扩容改造中,在基本不改变原有配置的基础上,采用耐热导线材料可以提高50%的载流量。
5)current rating载流量
1.According to the cluster laying of power cable, the steady current rating of MV or LV XLPE cable in different laying status, in different temperatures of circumvents, in different soil thermal resistance ,was calculated according to IEC 60287 standard, and the effect of the temperature and the soil resistance coefficient on the result are also investigated.根据IEC60287标准计算了中低压电缆在不同集群敷设方式、环境温度及土壤热阻下恒定负荷的稳态载流量,分析温度、土壤热阻系数对复杂情况敷设电缆群载流量影响程度的结果表明:土壤热阻系数是埋地集群敷设电缆载流量的关键影响因素,实际应用中,选择合适的土壤组分是增加集群敷设电缆载流量的重要手段。
2.The current rating of MV XLPE cables in cluster laying, including 3*7 duct installation and 1*8 direct buried installation, were confirmed by test, which were also calculated according to the related IEC standards.用研制的大电流测控装置和多点温度测量仪试验确定了3×7孔排管和1×8根并行等密集敷设条件下的电缆载流量;得出电缆通流下导体和护套表面以及周围运行环境的温度关系;分析了试验值与IEC相关标准理论计算值的差距及其原因;结合工程实际提出了上海地区电缆载流量建议值和紧急过负荷电缆电流控制值,以为运行管理提供技术参考。
6)relieving flowing volume卸载流量
1.When gas well production is more than the minimum relieving flowing volume during the gas well keeps continuous discharging fluid , there will be no accumulated fluid in bottom hole.当气井产量高于连续排液的最小卸载流量时 ,井底无积液 。
延伸阅读
理想流量计试探与流量仪表的选用理想流量计试探 1．检测件无阻碍物； 2．检测件可夹装在管道外部，可随意移动在任何地点测量而无须截断管道与流体； 3．仪表的流量计算方程简单明确，可外推到未知领域而无须实流校验； 4．频率脉冲输出信号，数字式仪表，便于远传抗干扰及与计算机联网； 5．仪表输出信号不受流体介质物性的影响； 6．仪表输出信号不受流体流动特性的影响； 7．仪表复现性高； 8．仪表范围度宽，线性好； 9．仪表可靠性高，价格适宜，维修技术不复杂； 10.无须个别实流校验，或只须“干校”，或在一、二种介质中校验可推广到各种介质； 11.检测件输出信号直接反映质量流量。 可以说至今并没有出现上述的理想流量计，所有流量计都多少具备一些上述条件，只不过有的多些，有的少些。所有流量计制造厂试制新产品都力图能更多地具备上述条件。 流量仪表的选用 流量仪表的选型对仪表能否成功使用往往起着很重要的作用，由于被测对象的复杂状况以及仪表品种繁多，产品质量难以掌握等情况，使得仪表的选型感到困难。没有一种十全十美的流量计，各类仪表都有各自的特点，选型的目的就是在众多的品种中扬长避短，选择自己最合适的仪表。 一般选型可以从五个方面进行考虑，这五个方面为仪表性能方面、流体特性方面、安装条件方面、环境条件方面和经济因素方面。五个方面的详细因素如下： 1.仪表性能方面 准确度、重复性、线性度、范围度、流量范围、信号输出特性、响应时间、压力损失等； 2.流体特性方面 流体、温度、压力、密度、粘度、化学腐蚀、磨蚀性、结垢、堵塞、混相、相变、电导率、声速、导热系数、比热容，等熵指数； 3.安装条件方面 管道布置方向，流动方向，检测件上下游侧直管段长度、管道口径、维修空间、电源、接地、辅助设备（过滤器、消气器）、安装、脉动等； 4.环境条件方面 环境温度、湿度、电磁干扰、安全性、防爆、管道振动等； 5.经济因素方面 仪表购置费、安装费、运行费、校验费、维修费、仪表使用寿命、备品备件等。 仪表选型的步骤如下： 1. 依据流体种类及五个方面考虑因素初选可用仪表类型(要有几类型以便进行选择); 2. 对初选类型进行资料及价格信息的收集,为深入的分析比较准备条件; 3. 采用淘汰法逐步集中到1-2种类型,对五个方面因素要反复比较分析最终确定预选目标。
