• 偏移特性阻抗继电器用于电流电流接地系统作为输电线路距离保护测量元件

    LZ-22 partial impedance relay usually used as measuring element on distance protection of the line at small or big current power system.

    youdao

  • 直流输电线路距离往往上千公里,线路越长、发生故障概率高,同时查找故障难度越大。

    The longer the lines are, the greater probability of line fault is, and the more difficult it will be to find the fault location.

    youdao

  • 线路距离保护段范围发生故障时,利用对侧开关跳闸时序电流的突变量加速侧保护跳闸,改善保护的性能

    This paper presents a novel approach to accelerated trip of power transmission lines by using biorthogonal wavelet transform to improve the performance of protection relays.

    youdao

  • 结果显示出游周期交通方式选择游览目的、观光巴士线路包含景点数量出发地观光巴士线路距离决定选择行为因素

    The results show tour period, original travel mode choice, tourism purpose, sites quantity included in the route, distance between origin and the route are significant variables.

    youdao

  • 一般来说,乡村郊区市区相比网络线路铺设距离大,天气环境状况差,从而其网络维护成本更加昂贵。

    Rural and suburban installations typically involve longer distances and tougher weather conditions than urban ones, making upkeep of the network more expensive.

    youdao

  • 对于距离线路传统铜线总是光纤连接

    For long distances, traditional copper cable will always be slower than using a fibre optic connection.

    youdao

  • MapMyRun:使用这个作者喜爱Google地图mashup之一标示跑步线路获得准确距离

    Map My run: Plot your run and get accurate distances with one of the author's favorite Google Maps mashups.

    youdao

  • 之后都是一些好的支点不过而言距离好远),只要坚持住,运用一些脚法最终爬顶端完成了线路

    After it is just a question of endurance for my part with the goods hold (quiet long for me) and some technical sequences of foots and to go the top.

    youdao

  • 美国领导人并不知晓自己距离线路偏离了远,他们了解必须作出调整才能重返航线

    The country's leaders didn't know how far from their charted path they'd been swept, but they recognised a need to make a course correction.

    youdao

  • 于是已经知道后一线路距离一样的,我们需要计算距离即可。

    So having seen that the latter route is the same distance, we just need to calculate the distance for that.

    youdao

  • 800千伏特高压直流变压器实现距离容量输电特高压输电线路关键设备。

    The 800 kV UHVDC transformer is a key component of ultrahigh-voltage power links that deliver large amounts of electricity over very long distances.

    youdao

  • 本文结合矿用供电网实际情况保护系统现状,针对现有技术保护距离较短缺点提出了一种针对矿用供电线路距离故障在线监测方案

    According to the actual situation of power supply network and protection system under mine, a long distance faults online monitoring program is presented for overcoming the short protection distance.

    youdao

  • 这里三次样条函数中参数几何意义沿线单调增长的距离

    The geometric meaning of the parameter is the mono increasing distance along the curve path.

    youdao

  • 常用几种电梯列表给出电源开关供电线路规格规定电压损失的供电距离

    The paper lists power switches, specifications of power supply line and power supply distance under specified voltage loss for commonly-used elevators.

    youdao

  • 第二线路商业案例,计划中的“2043年之前长距离铁路使用翻一翻”听起来有些好高骛远

    Second, the business case for the line: the projected doubling of long-distance rail use by 2043 seems ambitious.

    youdao

  • 超长距离输电装置、紧凑型线路无功动态并联综合补偿技术截面耐热导线以及新型安全自动装置

    For instance, extra long distance implement, tight power line, idle dynamic parallel integrated compensation, big section heat-resistant wire, new-style security automechanism, and so on.

    youdao

  • 根据集中参数线路模型算法实测距离换算成与模型匹配测量阻抗

    The measured distance of the lump parameter circuit model can be converted to the correspondingly matching positive sequence measured impedance.

    youdao

  • 本文根据一些距离供水工程设计实践水源选择输水方式线路优选问题提出了见解。

    This paper provides some Suggestions concerning the selection of water resources, the method for water transportation and pipeline optimization on the basis of design practices.

    youdao

  • 距离保护测量元件线路保护中广泛应用

    The measuring elements of distance protection are extensively applied in transmission lines protection.

    youdao

  • 电压等级输电距离输电线路电压损失输送容量限制。

    The transmission distance at certain voltage level, is restricted by power line's voltage loss and transmission capacity.

    youdao

  • 实验结果是在距离以内压缩数字图像信号经过低压电力线路传输质量得到保持具有较高清晰度自然度

    The testing results show that compressed digital images transmitted over low-voltage power lines maintain good quality which has high clarity and naturalness within a certain distant.

    youdao

  • 需要注意如果变压器线路耦合元件精确已知识别算法无噪声环境精确距离超过18千英尺。

    It should be noted that if the transformer and line coupling components are known precisely, the identification algorithms are accurate beyond 18 KFT for noiseless conditions.

    youdao

  • 分析表明线路末端三相故障线路端的测量阻抗与故障距离成正比

    The analysis shows that the measured impedance at the head of the line is not proportional to the fault distance when a three-phase fault occurs at the end of the line.

    youdao

  • 本文针对串联补偿线路接地距离保护提出一种新的电抗补偿系数方法

    In order to improve measuring accuracy of the earth-fault distance protection of series compensated line a new method which employs the reactive compensation factor is presented in this paper.

    youdao

  • 结果表明算法具有良好的高频特性适用于高压超高压输电线路距离保护

    The results of simulations and tests proved that this algorithm possesses excellent performance and is suitable for EHV transmission line protection.

    youdao

  • 针对送电线路设计过程中,边导线风偏后距离检查处理不足处,建立较为精确实用计算公式,并实现微机自动处理

    A new, more exact and practical calculating formula is given for the wind-deviation of the transmission line and the procedure can be realized in computer.

    youdao

  • 提出了适用于平双回线路距离继电器新判据。

    A double lines distance relay based on the zero sequence components is presented.

    youdao

  • 本文选线原则、选线搜集基础资料角度,论述了长距离管道线路选线方法

    Discusses the selection line methods of convey coal pipe of long distance, from the angles of selection line principle, and the basic data to collect, etc.

    youdao

  • 但是线路两相短路时由于测量电压误差放大,可能引起距离保护的超越。

    Because the voltage measuring error increases when phase to phase short circuit occurs, distance relay protection will act improperly.

    youdao

  • 距离超高压送电线路工程GPS测量中如何选择大地水准面模型,如何确定GPS测量高程等问题进行了讨论。

    This paper has discussed how to select geoidal model and how to determine normal height in GPS survey of long distance transmission line project.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定