KVAI30/A1机加工一车间动力No.1供电回路1040.70.950.3372.824.076.7116.5No.2供电回路82.90.20.51.7316.628.733.250.4No.3供电回路157.70.20.51.7331.554.663.095.7No.4供电回路22.50.20.51.734.57.89.013.7No.5供电回路38.60.20.51.737.713.415.423.4No.6供电回路1600.40.71.026465.391.4138.92铸造车间动力No.7供电回路1400.40.71.025657.180.0121.5No.8供电回路1800.40.71.027273.4102.8156.2照明No.9供电回路80.8106.406.49.73铆焊车间动力No.10供电回路1500.30.452.04589.199.8151.6No.11供电回路1700.30.452.051101113.1171.9照明No.12供电回路70.8105.605.68.54电修车间动力No.13供电回路1500.30.51.73457890.0136.8No.14供电回路1460.30.561.48446578.5119.3照明No.15供电回路100.81080812.2总计(380V侧)动力1501.70.671.12586.1657.4880.71338.2照明25计入KΣp=0.8KΣq=0.850.641.19468.9558.8729.51108.32.1.3无功功率补偿由表1可知,该厂380V侧最大负荷时的功率因素只有0.64。而供电部门要求该厂10KV进线最大负荷时的功率因素不应地于0.90。考虑到主变压器的无功损耗远大于有功损耗,因此380V侧最大负荷时的功率因素应稍大于0.90,暂取0.92来计算380V侧所需无功功率补偿容量:
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