CosΦ1为抵偿前的功率因数；CosΦ2为抵偿后的功率因数。K代表总电流与无功功率千乏值的比例系数。
Q=I总хK CosΦ2
K
CosΦ1 | 0.90 | 0.95 | 0.98 | 1.00 | | 0.30 | 0.565 | 0.598 | 0.624 | 0.667 | | 0.35 | 0.537 | 0.575 | 0.605 | 0.655 | | 0.40 | 0.506 | 0.549 | 0.584 | 0.641 | | 0.45 | 0.473 | 0.522 | 0.561 | 0.625 | | 0.50 | 0.437 | 0.491 | 0.535 | 0.606 | | 0.55 | 0.398 | 0.458 | 0.505 | 0.584 | | 0.60 | 0.357 | 0.422 | 0.475 | 0.560 | | 0.65 | 0.311 | 0.382 | 0.439 | 0.531 | | 0.70 | 0.263 | 0.339 | 0.40 | 0.50 | | 0.75 | 0.210 | 0.290 | 0.357 | 0.463 | | 0.80 | 0.149 | 0.236 | 0.307 | 0.420 | | 0.85 | 0.08 | 0.173 | 0.247 | 0.368 | | 0.90 | | 0.10 | 0.177 | 0.305 |
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