无功电源同有功电源一样,是保证电能质量不可缺少的部分。在电力系统中应保持无功平衡,否则,将会使系统电压降低,设备损坏,功率因数下降,严重时,会引起电压崩溃,系统解裂,造成大面积停电事故。因此,解决电网的无功容量不足,增装无功补偿设备,提高网络的功率因数,对电网的降损节电,安全可靠运行有着极为重要的意义。
补偿后 |
0.80 |
0.81 |
0.82 |
0.83 |
0.84 |
0.85 |
0.86 |
0.87 |
0.88 |
0.89 |
补偿前 |
功率因数 |
单位:kvar |
0.40 |
1.542 |
1.569 |
1.596 |
1.621 |
1.647 |
1.673 |
1.699 |
1.727 |
1.753 |
1.789 |
0.41 |
1.473 |
1.500 |
1.527 |
1.552 |
1.578 |
1.604 |
1.630 |
1.658 |
1.684 |
1.711 |
0.42 |
1.412 |
1.439 |
1.466 |
1.491 |
1.517 |
1.543 |
1.569 |
1.597 |
1.623 |
1.690 |
0.43 |
1.352 |
1.379 |
1.406 |
1.431 |
1.457 |
1.485 |
1.509 |
1.537 |
1.563 |
1.650 |
0.44 |
1.288 |
1.315 |
1.342 |
1.367 |
1.393 |
1.412 |
1.445 |
1.473 |
1.499 |
1.526 |
0.45 |
1.234 |
1.261 |
1.288 |
1.313 |
1.339 |
1.365 |
1.391 |
1.419 |
1.445 |
1.472 |
0.46 |
1.180 |
1.207 |
1.234 |
1.259 |
1.285 |
1.311 |
1.377 |
1.365 |
1.391 |
1.418 |
0.47 |
1.125 |
1.152 |
1.179 |
1.204 |
1.230 |
1.256 |
1.282 |
1.310 |
1.336 |
1.363 |
0.48 |
1.076 |
1.103 |
1.130 |
1.155 |
1.181 |
1.207 |
1.233 |
1.261 |
1.287 |
1.314 |
0.49 |
1.036 |
1.063 |
1.090 |
1.115 |
1.141 |
1.167 |
1.193 |
1.221 |
1.247 |
1.274 |
0.50 |
0.981 |
1.008 |
1.035 |
1.060 |
1.086 |
1.112 |
1.138 |
1.166 |
1.192 |
1.219 |
0.51 |
0.939 |
0.966 |
0.993 |
1.018 |
1.044 |
1.070 |
1.106 |
1.134 |
1.160 |
1.187 |
0.52 |
0.890 |
0.917 |
0.944 |
0.969 |
0.995 |
1.021 |
1.047 |
1.075 |
1.101 |
1.128 |
0.53 |
0.849 |
0.876 |
0.903 |
0.928 |
0.954 |
0.980 |
1.006 |
1.034 |
1.060 |
1.087 |
0.54 |
0.808 |
0.835 |
0.862 |
0.887 |
0.913 |
0.939 |
0.965 |
0.993 |
1.019 |
1.046 |
0.55 |
0.766 |
0.793 |
0.800 |
0.845 |
0.871 |
0.897 |
0.923 |
0.951 |
0.977 |
1.004 |
0.56 |
0.728 |
0.755 |
0.782 |
0.807 |
0.833 |
0.859 |
0.885 |
0.913 |
0.939 |
0.966 |
0.57 |
0.691 |
0.718 |
0.745 |
0.770 |
0.796 |
0.822 |
0.848 |
0.876 |
0.902 |
0.929 |
0.58 |
0.655 |
0.682 |
0.709 |
0.734 |
0.760 |
0.786 |
0.812 |
0.840 |
0.866 |
0.893 |
0.59 |
0.618 |
0.645 |
0.672 |
0.697 |
0.723 |
0.749 |
0.775 |
0.803 |
0.829 |
0.856 |
0.60 |
0.583 |
0.610 |
0.637 |
0.662 |
0.688 |
0.714 |
0.740 |
0.768 |
0.794 |
0.821 |
0.61 |
0.549 |
0.576 |
0.603 |
0.628 |
0.654 |
0.680 |
0.706 |
0.734 |
0.760 |
0.787 |
0.62 |
0.515 |
0.542 |
0.569 |
0.594 |
0.620 |
0.646 |
0.672 |
0.700 |
0.726 |
0.753 |
0.63 |
0.481 |
0.508 |
0.535 |
0.560 |
0.586 |
0.612 |
0.638 |
0.666 |
0.692 |
0.719 |
0.64 |
0.450 |
0.477 |
0.504 |
0.529 |
0.555 |
0.581 |
0.607 |
0.635 |
0.661 |
0.688 |
0.65 |
0.417 |
0.444 |
0.471 |
0.496 |
0.522 |
0.548 |
0.574 |
0.602 |
0.628 |
0.655 |
0.66 |
0.388 |
0.415 |
0.442 |
0.467 |
0.493 |
0.519 |
0.545 |
0.573 |
0.599 |
0.626 |
0.67 |
0.357 |
0.384 |
0.441 |
0.436 |
0.462 |
0.488 |
0.514 |
0.542 |
0.568 |
0.595 |
0.68 |
0.327 |
0.354 |
0.381 |
0.406 |
0.432 |
0.458 |
0.484 |
0.512 |
0.538 |
0.565 |
0.69 |
0.297 |
0.324 |
0.351 |
0.376 |
0.402 |
0.428 |
0.454 |
0.482 |
0.508 |
0.535 |
0.70 |
0.270 |
0.297 |
0.324 |
0.349 |
0.375 |
0.401 |
0.427 |
0.455 |
0.481 |
0.508 |
0.71 |
0.241 |
0.268 |
0.295 |
0.320 |
0.346 |
0.372 |
0.398 |
0.426 |
0.452 |
0.479 |
0.72 |
0.212 |
0.239 |
0.266 |
0.291 |
0.317 |
0.343 |
0.369 |
0.397 |
0.423 |
0.450 |
0.73 |
0.185 |
0.212 |
0.239 |
0.264 |
0.290 |
0.316 |
0.342 |
0.370 |
0.396 |
0.423 |
0.74 |
0.157 |
0.184 |
0.211 |
0.236 |
0.262 |
0.288 |
0.314 |
0.342 |
0.368 |
0.395 |
0.75 |
0.131 |
0.158 |
0.185 |
0.210 |
0.236 |
0.262 |
0.288 |
0.316 |
0.342 |
0.369 |
0.76 |
0.103 |
0.130 |
0.157 |
0.182 |
0.208 |
0.234 |
0.260 |
0.288 |
0.314 |
0.341 |
0.77 |
0.078 |
0.105 |
0.132 |
0.157 |
0.183 |
0.209 |
0.235 |
0.263 |
0.289 |
0.316 |
0.78 |
0.052 |
0.079 |
0.106 |
0.131 |
0.157 |
0.183 |
0.209 |
0.237 |
0.263 |
0.290 |
0.79 |
0.024 |
0.051 |
0.078 |
0.105 |
0.129 |
0.155 |
0.181 |
0.209 |
0.235 |
0.262 | |