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∑X=0.144555+0.01794=0.162495 7.顺槽皮带机电机处短路电流Id7计算 MYP 3×35+1×16型电缆的电阻、电抗：L8=20米， 阻抗参数：Ro=0.683 Rg1=0.683×0.02=0.01366 Xg1=0.084×0.02=0.00168 ∑R=0.022038+0.07958+0.01366=0.115278 ∑X=0.144555+0.01794+0.00168=0.164175 8.1#调度绞车电机处短路电流Id8计算 MYP 3×10+1×6型电缆的电阻、电抗：L7=10米， 阻抗参数：Ro=2.159 Rg1=2.159×0.01=0.02159 Xg1=0.092×0.01=0.00092 ∑R=0.022038+0.07958+0.02159=0.123208 ∑X=0.144555+0.01794+0.00092=0.163415 9.2#调度绞车开关入口处短路电流Id9计算 MYP 3×16+1×10型电缆的电阻、电抗：L7=1000米， 阻抗参数：Ro=1.369 Rg1=1.369×1=1.369 Xg1=0.090×1=0.090 ∑R=0.022038+0.07958+1.369=1.470618 ∑X=0.144555+0.01794+0.090=0.252495 10.2#调度绞车电机处短路电流Id10计算 MYP 3×10+1×6型电缆的电阻、电抗：L7=10米， 阻抗参数：Ro=2.159 Rg1=2.159×0.01=0.02159 Xg1=0.092×0.01=0.00092 ∑R=0.022038+0.07958++1.369+0.02159=1.492208 ∑X=0.144555+0.01794+0.090+0.00092=0.253415 11.3#移变二次出口端的短路电流Id11计算 （1）系统阻抗 变压器二次电压1200V，容量1000kVA，系统短路容量按50MVA计算；则系统电抗为 （2）高压电缆阻抗 10kV电缆L (责任编辑：86zhaokao.cn) |