In this paper, an on-line monitoring device for fast transient overvoltages on substations is designed.
本文设计了一个变电站瞬时过电压在线监测系统。
For decrease of harmonics and switching overvoltages the application of neutral grounding resistors is spreed.
为减少产生谐振，降低内过电压，中性点接地电阻器在中压电网的应用越来越多。
Overvoltages may also BE produced by certain types of asymmetrical fault mainly on systems with ungrounded neutrals.
在中性点不接地系统中，过电压也可能主要由某些类型的不对称故障所引起。
System failure or switch operation caused transitional process overvoltages, which also called switching overvoltages.
操作过电压是由系统故障或开关操作等引起的过渡过程过电压。
The tests simulate surge overvoltages caused by magnetic fields from lightning strokes in or near the telecom building.
这项测试模拟了由电信大楼或其附近遭受雷击所产生的磁场而引起的浪涌过电压。
This Recommendation provides guidance on the use of gas discharge tubes to limit overvoltages on telecommunications lines.
本建议给出了用于限制电信线路过电压的气体放电管的导则。
On the base of the calculation some Suggestions for protection from these overvoltages and insulation co-ordination are proposed.
在计算的基础上提出限制这些过电压以及绝缘配合的一些初步建议。
Therefore, it's significant to research the calculation and prevention of lightning induced overvoltages on overhead distribution lines.
因此本文对架空配电线路感应雷过电压的计算与防护进行研究具有十分重要的意义。
To ensure the power system safe, reliable and economy operation, it requires that temporary overvoltages can be monitor and analysis research.
为了保证电力系统的安全、可靠、经济运行，迫切需要对暂态过电压进行监测与分析研究。
This standard was designed to reduce the susceptibility of their sensitive equipment to AC power line transients and long duration overvoltages.
此标准的设计目的是：降低敏感设备对来自交流电源的电涌及长时延过电压的敏感性。
After that, the data of overvoltages can be statistics and analysis, which were measured online at the substation of a corporation in PanZhihua.
接着通过对攀枝花某企业变电所实测过电压数据进行统计与分析。
Paper covers temporary overvoltages, second arc current, switching overvoltage, major parameters of MOA and insulation level of UHV AC apparatus.
主要内容包括：工频暂时过电压，潜供电流，操作过电压，金属氧化物避雷器主要参数，特高压电气设备的绝缘水平等。
Vacuum switches have their own features on construction and interrupting characteristics, and can bring different overvoltages compared with other switches operation.
真空开关在结构和开断特性方面有着自己的特点，在操作时就会产生与其它开关不同的过电压。
Intelligent synchronous high voltage switch can be utilized to minimize the switching overvoltages and high inrush currents in power systems, as well as to improve the overall power quality.
高压智能同步开关技术是有效抑制电力系统操作过电压和涌流以及全面提高电能质量的关键技术。
At first, theoretical analyses are discussed about various VCB switching overvoltages 'generating process. This can provide theoretical basis for overvoltages 'analysis and protection research.
本文先对真空开关各种操作过电压产生过程进行理论分析，为过电压分析及保护仿真研究提供了理论依据。
At first, theoretical analyses are discussed about various VCB switching overvoltages 'generating process. This can provide theoretical basis for overvoltages 'analysis and protection research.
本文先对真空开关各种操作过电压产生过程进行理论分析，为过电压分析及保护仿真研究提供了理论依据。
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