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 |