نتایج جستجو برای: magnetizing inrush current

تعداد نتایج: 777987  

Journal: :The Scientific Bulletin of Electrical Engineering Faculty 2019

Journal: :International Journal of Research in Engineering and Technology 2015

2016
Tian-xing Hou Xing-guo Yang Hui-ge Xing Kang-xin Huang Jia-wen Zhou

INTRODUCTION Estimating groundwater inflow into a tunnel before and during the excavation process is an important task to ensure the safety and schedule during the underground construction process. CASE DESCRIPTION Here we report a case of the forecasting and prevention of water inrush at the Jinping II Hydropower Station diversion tunnel groups during the excavation process. The diversion tu...

Journal: :Transactions on Electrical and Electronic Materials 2014

Journal: :International Journal of Coal Science & Technology 2022

Abstract Water inrush is one of the most dangerous disasters in coal mining. Due to large-scale mining and complicated hydrogeological conditions, thousands deaths huge economic losses have been caused by water China. There are two main factors determining occurrence inrush: source water-conducting pathway. Research on formation mechanism pathway direction prevent control inrush, seepage rock m...

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