短路特性

  • 网络short-circuit characteristic
短路特性短路特性
  1. 无备励水轮发电机短路特性试验方法探析

    A Short-circuit Characteristic Testing Method for No-backup-excitation Hydrogenerator

  2. 进行短路试验的目的在于检验短路特性曲线的线性关系是否满足设计的要求;

    The purpose of short circuit test is to verify if the linear relation of short-circuit characteristic curve meet the need of design .

  3. 一种实用CMOS芯片开路和短路特性测试的新方法

    Practical New Method of CMOS Chip Open-Circuit and Short-Circuit Testing

  4. 首先研究了全桥LLC谐振电路的工作原理,在此基础上分析了其直流电压增益,谐振参数对变换器的影响,空载和短路特性,并给出了谐振参数的设计方法。

    First , the working principle of the full-bridge LLC resonant circuit is researched . Based on this , the DC voltage gain , the resonance parameters impact on the converter , no-load and short circuit characteristics are analyzed , and the design method of the resonance parameters is given .

  5. 风电场短路特性及对电网继电保护影响的研究

    Study about Wind Power Short Circuit and Impact on Power System Protection

  6. 浅析冲激源作用下的电容短路特性与电感开路特性

    A Study of short-circuit-Characteristic of Capacitor and open-circuit-Characteristic of Inductor Under the Excitation of an Impulse Source

  7. 长期以来,对大容量铅酸蓄电池组的数学模型及其短路特性是非常难以得到的。

    The mathematic model and short-circuit characteristics of high-capacity lead-acid storage battery are difficult to be obtained for a long period .

  8. 利用发电机的空载特性、短路特性曲线以及发电机运行时采集到的有功功率、无功功率、电枢端电压确定不同运行工况下的电枢反应电抗以及同步电抗,该方法考虑了电机的饱和;

    When the machines are in saturation , the armature reaction reactance over the whole operating region is deduced via no-load and short-circuit curves , active and reactive power and machine terminal voltage .

  9. 由于永磁同步电机的励磁不能调节,因此不能按传统的方法用空载特性、短路特性和零功率因数负载特性来测量漏抗和同步电抗。

    Since the field excitation cannot be regulated for a permanent magnet synchronous machine , the classical methods of steady state parameter determination using the open circuit saturation curve , the short circuit current or the zero power factor curve cannot be utilized .

  10. CO2气体保护焊熔滴短路过渡特性的研究现状与展望

    Development of CO_2 gas shielded droplet short - circuit transfer arc welding

  11. 风电机组的短路电流特性及低电压穿越的研究

    Short Circuit Current of Wind Generators and Analysis of Low-voltage Ride Through

  12. 全连式离相封闭母线短路动力特性的分析

    An analysis of the short-circuit dynamic characteristic of an all connective isolated phase bus

  13. 不同电压跌落深度下基于撬棒保护的双馈式风机短路电流特性分析

    Short Circuit Current Characteristics of Doubly Fed Induction Generator With Crowbar Protection Under Different Voltage Dips

  14. 提出了基于支路故障概率的故障定位算法,并结合短路电流特性判据法来定位故障支路;现代设备技术水平不断提高,生产率、自动化要求越来越高,相应地,故障也随之增加。

    The method of fault Locating offered by this paper called line fault probability method , which locates fault by calculating the fault probability of line in the net . With the technical level of modern facility improves continually , the fault probability increases greatly .

  15. 实验结果表明,该脉冲电源的输出电压调整特性、负载调整率、输出纹波、动态响应等均满足了一定的要求,并具有良好的过载、短路保护特性和波形特性。

    Based on the results , the very pulse power supply meets corresponding function requirements on output voltage regulation , load regulation , output ripple and dynamic response , and the power also has a tolerable waveform speciality and an excellent ability of over current protection and short protection .

  16. CO2焊短路过程动特性与外特性的关系

    Relation of dynamic and output characteristic in CO _ 2 short circuit arc welding

  17. 低压电动机的保护接线及短路保护元件特性分析

    Protection Wiring of Low voltage Motors and Characteristic Analysis of Short circuit Protection Component

  18. 振动偏心时定子绕组短路对振动特性影响分析

    Analysis on vibration characteristic when eccentric vibration under stator winding inter-turn short circuit fault

  19. 低压塑壳断路器三相短路开断特性的仿真分析

    Simulation and Analysis of the Interruption Characteristics of Low Voltage Molded Case Circuit Breakers Under 3-Phase Short Circuit

  20. 深入分析了交通路网的特点和交通分配中最短路求解的特性。

    The properties of the urban street network and the peculiarities of finding the shortest paths during traffic assignment were analyzed profoundly .

  21. 透明阳极与普通阳极和短路阳极的特性比较表明,采用透明阳极可以明显改善器件的开关特性。

    The characteristic of transparent anode is compared with that of conventional anode and short anode , the results show that the transparent anode used in GCT can improve the switching characteristic . Thirdly , the structural features and fabrication process of GCT are analyzed .

  22. 对气流场及小容性电流和短路电流开断特性进行了数值模拟并与商业软件FLUENT的计算结果进行了对比。

    The gas flow field distribution in arc quenching chamber under different breaking distance and the breaking characteristic of small capacitive current breaking and short current breaking have been well simulated and analysed . The corresponding results have been compared with the results calculated by commercial software ANSYS and FLUENT .

  23. 电力变压器线圈之间的耦合特性使其内部短路故障的外部特性具有复杂性。

    The coupling between coils in power transformer causes the complexity of external characteristics of internal short circuit faults .

  24. 针对二氧化碳弧焊熔滴短路过渡过程动特性差、飞溅大的特点,对一种关联式电流波形智能控制器的波控模式进行了研究,提出了实时控制熔滴过渡过程电流波形的波控基本模式。

    In order to improve the dynamic performance of the carbon dioxide arc welding and reduce spattering , a basic pattern of the real-time current waveform control is put forward .

  25. 重点分析了对称短路相敏保护特性曲线的确定方法,讨论了影响保护动作可靠性的各种因素。

    Much more attention is paid to the analysis of the method how to define the characteristic curves of phase_sensitive symmetrical short_circuit protection and the discussion of all factors to interfere with its action reliability .

  26. 重点介绍了对称短路相敏保护特性曲线的确定方法,设计了负序电流滤波器,建立了过负荷保护的数学模型。

    Much more attention is paid to the analysis of the method how to define the characteristic curves of phase sensitive symmetrical short circuit protection , the design of negative sequence current filter and the definition of the mathematical model of overload .

  27. 本文在阐述转子基本结构、转子匝间短路的原因和匝间短路引起的电磁特性的基础上,对汽轮发电机转子绕组匝间短路故障进行了机电联合诊断研究。

    Through introducing the rotor basic structures and the fault reason of rotor winding inter-turn short circuit , the electromechanical combined diagnosis study is carried for rotor winding inter-turn short circuit .

  28. 直流短路电压时,与纯PP相比,加入成核剂的PP/CA202试样的耐直流短路树枝化特性有所提高。

    In the DC short-circuit voltage , comparing to polypropylene , the PP / CA202 material mixed with nucleating agent have improved the DC short-circuit electrical treeing resistance .