雷电过电压 meaning in English
lightning surge
Examples
- Familiar on - line monitoring device for overvoltage just monitor inner overvoltage , but the device introduced in the paper can monitor lighting impulse overvoltage and inner overvoltage in lokv distribution system . with the characteristics of overvoltage in the lokv distribution network , the principle of on - line device for overvoltage monitoring is introduced . divider , coaxial line , trigger , signal processing , data acquisition , acquisition control and waveform analysis software is included in the device . when the device operate in the system , overvoltage is transferred to coaxial line by divider . if the
通常的过电压监测装置只能监测一些内过电压，而本装置设计目的是能够同时监测雷电过电压和内过电压。本文结合10kv配电系统的过电压特点，提出了10kv配电网过电压的在线监测装置的基本原理，并研制成功了实用的在线监测装置。该装置包括分压器、同轴电缆、触发电路、信号处理、数据采集、控制和分析软件。 - Lead the team to do the research on electro - magnetic transient overvoltage calculation and insulation coordination of power system , lightning overvoltage calculation of substations and transmission lines , protection , operation and test of arresters , overvoltage limiter and other lightning protection equipment
带领团队从事电力系统电磁暂态过电压计算及系统绝缘配合研究，变电站和输电线路雷电过电压计算及防护技术研究，避雷器及过电压限制器等防雷保护设备的运行技术和试验技术研究等。 - The shorter the interval between the two pulses of the current wave , the fewer strikes the varistors can endure . at the same time , the dc ljima changes fast - slowly - fast alone with the experiment continuing . microstructual disorder , such as variations in the height of the electrostatic potential at grain boundaries and electrode protrusions into the zinc oxide varistors , causes substantial temperature rise in a microscopic region around the defect and is the source for failure
雷电的多重闪击对雷电过电压保护器件的影响更加严重，本文首次采用不同间歇时间双脉冲电流冲击对氧化锌电阻进行了多次试验，试验表明：氧化锌电阻在双脉冲电流冲击下更容易出现老化破坏现象，间歇时间越短，电阻能耐受的冲击次数越少；此外，直流u _ ( 1ma )值随冲击次数的增加具有快一慢一快的下降过程。 - With the demonstration of 35kv line of youxian substation , it built a numeral value calculation model of on - line data of each pole . in terms of many factors , it studied on how to improve lightning withstand level , especially on how to use moa economically and reasonably , and on the synthetic measures to decrease the lightning tripping outrage
在考虑众多影响因素的基础上，对雷击35kv线路时雷电过电压进行数值计算，通过大量的数值模拟计算，研究如何提高其耐雷水平，特别是研究线路型避雷器经济合理的使用，以及降低雷击跳闸率的综合处理方法。 - Familiar automatic recording device for overvoltage can just monitor inner overvoltage , but the device introduced in the paper can real time record lighting impulse overvoltage and inner overvoltage together in 10kv distribution system . with the characteristics of overvoltage in the 10kv distribution network , the principle of realtime recording device for overvoltage is introduced by author , and design and develop applied realtime and automatic recording device for overvoltage first
通常的过电压自动记录装置采样频率不高，采样周期短，大多只能监测内过电压，而本装置研究的目的是能够同时监测雷电过电压和内过电压。作者结合10kv配电系统的过电压特点，提出了10kv配电网过电压实时自动记录装置的基本原理，设计并研制成功了实时监测大气过电压和内过电压的监测装置。