【摘 要】
:
以交联聚乙烯绝缘电缆为试验对象,分别对工频耐压、超低频0.1Hz、变频20~300Hz串联谐振这三种常见交流耐压试验的工作原理、试验标准进行深入分析,并总结三种方法的优缺点,对
论文部分内容阅读
以交联聚乙烯绝缘电缆为试验对象,分别对工频耐压、超低频0.1Hz、变频20~300Hz串联谐振这三种常见交流耐压试验的工作原理、试验标准进行深入分析,并总结三种方法的优缺点,对交联聚乙烯电缆在不同应用下交流耐压试验方法的选择起到指导作用.
其他文献
China’s efforts to prevent and control the spread of HIV/AIDS has gained recognition once again.According to Amakobe Caroline Sande,the UNAIDS Country Director
the Belt and Road initiative, which promotes policy coordination, connectivity of infrastructure, unimpeded trade, currency convertibility and closer people-to-people tie, is benefiting all countries,
HIV/AIDS is a global problem that is ever present and a threat faced by people all over the world.While it is impossible to eradicate the epidemic in the short
目的:探讨经济因素对农村成人乙肝疫苗支付意愿的影响并且提供建议。方法:采用概率比例规模抽样方法在保定市2个县的6个村,抽取1 393名16~60岁无乙肝疫苗接种史的农村成人,进
当前我国正面临经济结构转型,跨区域、跨行业的主题概念将轮番出现,各类主题投资机会将不断涌现。在此背景下,各类主题指数以及相应的主题指数基金也应运而生。例如,中证指数
Chinese agricultural experts add value to local resources on the islands of Sao Tome and Principe THERE is no shortage of crabs in Sao Tome and Principe,where t
Ethiopia installs Africa’s first garbage power plant THE 36-hectare Reppie Sanitary Landfill,also known as Qoshe,dirt in local slang,has been Ethiopia’s bigge
A new competition encourages young Africans in China to develop their entrepreneurial spirit by devising innovative and viable solutions to the continent’s pro
Development promotion NGO contributes to Africa’s economic progress and charity WHEN Wang Xiaoyang looks back at the success of the China-Africa Business Counc