无功补偿容量计算

0.800.85

0.900.910.920.930.940.950.960.970.980.99Unity 0.500.982 1.112 1.248 1.276 1.306 1.337 1.369 1.403 1.440 1.481 1.529 1.590 1.7320.510.937 1.067 1.202 1.231 1.261 1.291 1.324 1.358 1.395 1.436 1.484 1.544 1.6870.520.893 1.023 1.158 1.187 1.217 1.247 1.280 1.314 1.351 1.392 1.440 1.500 1.6430.530.8500.980 1.116 1.144 1.174 1.205 1.237 1.271 1.308 1.349 1.397 1.458 1.6000.540.8090.939 1.074 1.103 1.133 1.163 1.196 1.230 1.267 1.308 1.356 1.416 1.5590.550.7680.899 1.034 1.063 1.092 1.123 1.156 1.190 1.227 1.268 1.315 1.376 1.5180.560.7290.8600.995 1.024 1.053 1.084 1.116 1.151 1.188 1.229 1.276 1.337 1.4790.570.6910.8220.9570.986 1.015 1.046 1.079 1.113 1.150 1.191 1.238 1.299 1.4410.580.6550.7850.9200.9490.979 1.009 1.042 1.076 1.113 1.154 1.201 1.262 1.4050.590.6180.7490.8840.9130.9420.973 1.006 1.040 1.077 1.118 1.165 1.226 1.3680.600.5830.7140.8490.8780.9070.9380.970 1.005 1.042 1.083 1.130 1.191 1.3330.610.5490.6790.8150.8430.8730.9040.9360.970 1.007 1.048 1.096 1.157 1.2990.620.5150.6460.7810.8100.8390.8700.9030.9370.974 1.015 1.062 1.123 1.2650.630.4830.6130.7480.7770.8070.8370.8700.9040.9410.982 1.030 1.090 1.2330.640.4510.5810.7160.7450.7750.8050.8380.8720.9090.9500.998 1.058 1.2010.650.4190.5490.6850.7140.7430.7740.8060.8400.8770.9190.966 1.027 1.1690.660.3880.5190.6540.6830.7120.7430.7750.8100.8470.8880.9350.996 1.1380.670.3580.4880.6240.6520.6820.7130.7450.7790.8160.8570.9050.966 1.1080.680.3280.4590.5940.6230.6520.6830.7150.7500.7870.8280.8750.936 1.0780.690.2990.4290.5650.5930.6230.6540.6860.7200.7570.7980.8460.907 1.0490.700.2700.4000.5360.5650.5940.6250.657 1.2470.7290.7700.8170.878 1.0200.710.2420.3720.5080.5360.5660.5970.6290.6630.7000.7410.7890.8490.9920.720.2140.3440.4800.5080.5380.5690.6010.6350.6720.7130.7610.8210.9640.730.1860.3160.4520.4810.5100.5410.5730.6080.6450.6860.7330.7940.9360.740.1590.2890.4250.4530.4830.5140.5460.5800.6170.6580.7060.7660.9090.750.1320.2620.3980.4260.4560.4870.5190.5530.5900.6310.6790.7390.8820.760.1050.2350.3710.4000.4290.4600.4920.5260.5630.6050.6520.7130.8550.770.0790.2090.3440.3730.4030.4330.4660.5000.5370.5780.6260.6860.8290.780.0520.1830.3180.3470.3760.4070.4390.4740.5110.5520.5990.6600.8020.790.0260.1560.2920.3200.3500.3810.4130.4470.4840.5250.5730.6340.7760.80-0.1300.2660.2940.3240.3550.3870.4210.4580.4990.5470.6080.7500.81-0.1040.2400.2680.2980.3290.3610.3950.4320.4730.5210.5810.7240.82-0.0780.2140.2420.2720.3030.3350.3690.4060.4470.4950.5560.6980.83-0.0520.1880.2160.2460.2770.3090.3430.3800.4210.4690.5300.6720.84-0.0260.1620.1900.2200.2510.2830.3170.3540.3950.4430.5030.6460.85--0.1350.1640.1940.2250.2570.2910.3280.3690.4170.4770.6200.86--0.1090.1380.1670.1980.2300.2650.3020.3430.3900.4510.5930.87--0.0820.1110.1410.1720.2040.2380.2750.3160.3640.4240.5670.88--0.0550.0840.1140.1450.1770.2110.2480.2890.3370.3970.5400.89--0.0280.0570.0860.1170.1490.1840.2210.2620.3090.3700.5120.90---0.0290.0580.0890.1210.1560.1930.2340.2810.3420.4840.91----0.0300.0600.0930.1270.1640.2050.2530.3130.4560.92-----0.0310.0630.0970.1340.1750.2230.2840.4260.93------0.0320.0670.1040.1450.1920.2530.3950.94-------0.0340.0710.1120.1600.2200.3630.95--------0.0370.0780.1260.1860.3290.96---------0.0410.0890.1490.2920.97----------0.0480.1080.2510.98-----------0.0610.2030.99------------0.142

应用例：设工厂负荷：500KW

KVAR与μF换算式：式中:C:KVAR=容量值

改善前功因：Cos θ1=0.6　F=频率Hz 拟改善功因：Cos θ2=0.95

　E＝额定电压V

所需补偿容量＝500×1.005(由上表查得)50Hz时2∏F＝314 ≒500KVAR

60Hz时2∏F＝377

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传真：0512-********

改善前功

因Cosθ1拟改善功因：Cos θ2

无功补偿容量计算系数表

C(μF)=