某起重机械厂全厂总配变电所及配电系统的设计

.75113.88216.18328.45表2-7计算点C2~C5的负荷计算点∑Pc/kW∑Qc/kvar同时系数Pc/kWQc/kvarSc/kVAIc/Acosφ补偿前C2465.78434.74k∑P=0.95k∑Q=0.97442.49421.70611.25928.700.72补偿量-240补偿后C2442.49181.70478.34726.770.93补偿前C3468.00516.98k∑P=0.95k∑Q=0.97444.60501.47670.181018.230.66补偿量-360补偿后C3444.60141.47466.56708.870.95补偿前C4498.00453.30k∑P=0.95k∑Q=0.97473.10439.70645.88981.310.73补偿量-240补偿后C4473.10199.70513.52780.210.92补偿前C5183.75113.88k∑P=1k∑Q=1183.75113.88216.18328.450.85补偿量-45补偿后C5183.7568.88196.24298.150.94表2-8计算点B2~B5的负荷计算点变压器功率损耗高压侧(10kV)cosφΔPO/kWΔPk/kWI0%Uk%ΔPT/kWΔQT/kvarPc/kWQc/kvarSc/kVAIc/AB20.987.50.94.53.667.2446.15188.90484.4927.970.92B30.987.50.94.53.537.2448.13148.67472.1527.260.95B40.987.50.94.54.077.2477.17206.90520.1030.030.92B50.483.651.10.41.903.465185.6572.35199.2411.500.932.5工厂总负荷计算(计算点A)2.6各变电所变压器选择情况