简介:摘要目前随着电力系统电压等级的不断提高,输电线路遭受雷击事件对电力系统的影响也越来越为严重,对国民经济带来的损失也是日趋严重,因此对于高压输电线路的耐雷水平和防雷保护的研究也随之引起人们的重视。本文通过分析雷电的危害,简单分析接地电阻和输电线路耐雷水平的关系,并结合仿真软件ATP-EMTP搭建模型,探究接地电阻对高压输电线路的耐雷水平的影响。
简介:[篇名]Afieldstudyonvalidationofsupplementalbrakelampwithflashingturnsignalsformotorcycles,[篇名]AgthinfilmonSiasthelubricantunderultra-highvacuumandtheeffectofadsorbedgasmoleculesonfriction,[篇名]CleaningandDe-OilingwithLow-PressureFlashingFlow,[篇名]Companionadvancedhazardwarningsystem,[篇名]Developmentsinprocesscontrolmonitoring,[篇名]Doroadengineeringinterventionsreduceon-campusobstructionatpedestriancrossings?[篇名]EvolvingSpikingNeuronControllersforPhototaxisandPhonotaxis.
简介:Experimentalinvestigationandnumericalsimulationofpressurereliefinchemicalreactors;FabricationofcopperP/Mstructuralparts;Fiberopticsensorsavesthejob;Flashingcharacteristicsinapipedownstreamfromadepressurizingtankandtemperaturefluctuationcharacteristicsatamixingteejunctionwithcoldwaterinjection;FlashingPhenomenawithMistFormationofLiquidNitrogen