实用文档掘进工作面供电设计机电科文案大全实用文档目录一 已知资料........................................................................................................................2二 设备选用........................................................................................................................21 掘进工作面设备选型..............................................................................................22 移动变电站选择......................................................................................................22.1 计算公式.......................................................................................................22.2 移动变电站的选择.......................................................................................32.3 移动变电站高压配电的选择.......................................................................4三 高压电缆选择................................................................................................................43.1 型号的确定...........................................................................................................43.1.1 按长时允许电流选电缆截面....................................................................43.1.2 按经济电流密度初选主截面....................................................................53.2 校验.......................................................................................................................53.2.1 按长时最大允许负荷电流校验................................................................53.2.2 按热稳定条件校验电缆截面....................................................................63.2.3 按允许电压损失校验电缆截面................................................................6四 低压电缆的选择............................................................................................................74.1 确定型号......................................................................................................
