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1、骨口. 序号负荷名称装置容 量(kW)负荷系数计算电 流(A)经常负 荷电流(A)初期事故放电时间持续1min301监控系统、智能装置、智能组件6.390.823.2423.2423.2423.242高压断路器跳闸:3.52 :0.6 t9.609.603高压断路器自投1.321.06.006.004恢复供电咼压断路器合闸0.441.02.005变电站交流不间断电源:5.000.613.6413.6413.6413.646DC/D变换装置6.000.821.8221.8221.8221.827事故照明I 3.00 I1.0 t13.6413.6413.64合计58.6987.9372.33Ij
2、cI1I2min)可靠系数1.40不同放电时间的Kc值放电终止电压(V)5s1min29mi n0.5h59mi n1h1.8701.2701.1800.7640.7550.5480.520阶梯负荷法计算蓄电池容量阶段1: Cc1104.32阶段2: Cc2134.46阶段3: Cc3196.87阶段4: Cc4303.56随机负荷Cr1.57比较后计算容量305.13电E时间及放电电流(A)持续(min)随机601205s23.2423.242.0013.6413.6421.8221.8213.6413.6472.3372.332.00I3I4IRKc值89mi n 1.5h119mi n 2h0.4130.4080.3360.334
