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IP屬地：山東 上傳時間：2022-10-12 格式：DOCX 頁數(shù)：4 大?。?5.58KB 積分：20 舉報 版權申訴

1、未補償前的負載功率因數(shù)為COS為1。負載耗資的電流值為11。負載功率（KW）*1000則11=.3*380*COS為1負載功率（KW）*1000則12=.3*380*COS為2補償后的負載功率因數(shù)為COS為2,負載耗資的電流值為I2則所需補償?shù)碾娏髦禐椋?=11-I2所需采用的電容容量參照以下：獲取所需COS為2每KW負荷所需電容量（KVAR）o.n0.750.801.271.41540+971J11.240.710.850.98Q.620.760,890,540.680.B10.460.600.73D.390.5?0.660J10.450.580.250J90.520480.320.450.

2、120.260.39Q.060.200.330.140.270.080.220.030J60J10.050.62COS020.B80.900.920.940+960.840.86L60L651J01.761.611.871.932.001.291.341.401.451.501.56L62L691.04L091441.201.25L31L371.440.95L00LOSLilL16L221.281-356860+920.97L021.03L141.201,270.780.840.890.94LOOLOSL12L190.710J60,810.870.920,98L04LU0.640.69Q.74

3、0.800.850.910.57L040.570,620670.730.780.840.90090.510+560.610-670J2Q，0,84090.450.490*550-600.66780.78Q.850.710J85430.490.540.600.650.7?Q.790.330.3B0.430.490+540?9660.730.270.320.37(M30.48600.600.670.540.210.260.320.370.430,480-550,620.160.210.260.320-370.430.500.560.110,160.210.270,32OJS0,440.510.05

4、0,100.16o.a0,270.330.390.460.050.100460.220.270.330.400-050.110.160.220.280.35Q+060410,170.23OJO0.060.110.170.25060.120J90.06(M30.070465360.90LOG2.092,29L78L991.531.731.44L641.361*56L201.4flL41L13L331.061,271.001.200,94L140.B8L080.821.020.760.970.71Q-910.650.8t0.600.800.550J50.490700.440.650J90.590+

5、330.540.280.4B0.220.43例：現(xiàn)有的負載功率為1500KW，未補償前的功率因數(shù)為COS為1=0.60，現(xiàn)需將功率因數(shù)提高到COS為2=0.96。則1500*1000則11=.=3802（安培）3*380*0.601500*1000則I2=.=2376（安培）3*380*0.96即未進行電容補償?shù)那闆r下，功率因數(shù)COS為1=0.60，在此功率因數(shù)的情況下，1500KW負載所需消耗的電流值為11=3802安培。進行電容補償后功率因數(shù)上升到COS為2=0.95,在此功率因數(shù)的情況下，1500KW負載所需耗資的電流值為12=2376安培。所以功率因數(shù)從0.60升到0.96。所需補償?shù)碾娏髦禐?1-I2=1426安培查表COS為仁0.60,COS為2=0.96時每KW負載所需的電容量為1.04KVAR，現(xiàn)負載為1500KW，則需采用的電容量為1500*1.04=1560KVAR?，F(xiàn)每個電容柜的容量為為180KV