CURVE INFORMATION AND TABLES
7-34
Curve: IEC A
Curve #: 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
x P/U Time to Trip (seconds)
1.03 218.450 218.450 218.450 218.450 273.063 273.063 273.063 273.063 273.063 273.063 364.083 364.083 364.083 364.083 364.083 364.083
1.10 60.681 64.250 68.266 72.817 78.018 78.018 84.019 91.021 91.021 99.295 99.295 99.295 109.225 109.225 109.225 121.361
1.20 32.125 34.133 36.408 37.664 40.454 42.010 43.690 45.510 47.489 49.648 52.012 54.613 54.613 57.487 60.681 60.681
1.30 22.755 23.745 25.401 26.640 28.006 29.520 30.340 32.125 33.098 34.133 36.408 37.664 39.009 40.454 42.010 42.010
1.40 17.617 18.513 19.859 20.608 21.845 22.755 23.745 24.824 26.006 26.640 28.006 28.743 30.340 31.207 32.125 33.098
1.50 14.563 15.384 16.302 17.066 18.204 18.832 19.859 20.608 21.417 22.291 23.239 24.272 24.824 26.006 26.640 27.306
1.60 12.555 13.320 14.003 14.760 15.604 16.302 17.066 17.906 18.513 19.162 19.859 20.608 21.417 22.291 22.755 23.745
1.70 11.145 11.872 12.412 13.160 13.826 14.372 15.170 15.830 16.302 17.066 17.617 18.513 19.162 19.859 20.227 21.005
1.80 10.021 10.604 11.260 11.872 12.412 13.003 13.653 14.185 14.760 15.384 16.063 16.549 17.066 17.617 18.204 18.832
1.90 9.179 9.752 10.304 10.814 11.378 11.872 12.412 13.003 13.485 14.003 14.563 15.170 15.604 16.302 16.804 17.337
2.00 8.533 9.027 9.498 10.021 10.502 11.033 11.497 12.003 12.555 13.003 13.485 14.003 14.563 14.962 15.604 16.063
2.10 7.973 8.402 8.880 9.335 9.840 10.304 10.814 11.260 11.745 12.136 12.701 13.160 13.653 14.003 14.563 14.962
2.20 7.481 7.915 8.338 8.808 9.256 9.666 10.113 10.604 11.033 11.497 11.872 12.272 12.701 13.160 13.653 14.003
2.30 7.093 7.481 7.915 8.338 8.738 9.179 9.581 10.021 10.402 10.814 11.260 11.620 12.136 12.555 12.850 13.320
2.40 6.742 7.139 7.533 7.915 8.338 8.738 9.102 9.498 9.930 10.304 10.708 11.145 11.497 11.872 12.272 12.701
2.50 6.425 6.827 7.186 7.585 7.973 8.338 8.738 9.102 9.498 9.840 10.208 10.604 10.923 11.378 11.745 12.136
2.60 6.171 6.540 6.913 7.233 7.638 7.973 8.338 8.738 9.102 9.416 9.752 10.113 10.502 10.923 11.260 11.620
2.70 5.936 6.277 6.620 6.957 7.331 7.692 8.031 8.402 8.738 9.102 9.416 9.752 10.113 10.502 10.814 11.145
2.80 5.719 6.068 6.387 6.742 7.047 7.380 7.746 8.091 8.402 8.738 9.102 9.416 9.752 10.113 10.402 10.814
2.90 5.516 5.841 6.171 6.501 6.827 7.139 7.481 7.802 8.151 8.467 8.808 9.102 9.416 9.752 10.113 10.402
3.00 5.354 5.659 6.001 6.314 6.620 6.913 7.233 7.585 7.858 8.212 8.533 8.808 9.102 9.416 9.752 10.113
3.10 5.201 5.516 5.810 6.102 6.425 6.742 7.047 7.331 7.638 7.973 8.275 8.533 8.880 9.179 9.498 9.752
3.20 5.057 5.354 5.659 5.936 6.241 6.540 6.827 7.139 7.430 7.746 8.031 8.338 8.600 8.953 9.256 9.498
3.30 4.920 5.226 5.516 5.779 6.068 6.387 6.660 6.957 7.233 7.533 7.802 8.091 8.402 8.669 8.953 9.256
3.40 4.812 5.080 5.381 5.659 5.936 6.206 6.501 6.784 7.047 7.331 7.638 7.915 8.212 8.467 8.738 9.027
3.50 4.688 4.965 5.251 5.516 5.779 6.068 6.350 6.620 6.913 7.186 7.430 7.746 7.973 8.275 8.533 8.808
3.60 4.589 4.854 5.128 5.407 5.659 5.936 6.206 6.463 6.742 7.002 7.282 7.533 7.802 8.091 8.338 8.600
3.70 4.495 4.749 5.010 5.277 5.544 5.810 6.068 6.350 6.620 6.869 7.139 7.380 7.638 7.915 8.212 8.467
3.80 4.404 4.648 4.920 5.177 5.434 5.689 5.936 6.206 6.463 6.742 7.002 7.233 7.481 7.746 8.031 8.275
3.90 4.317 4.570 4.812 5.080 5.328 5.573 5.841 6.102 6.350 6.580 6.869 7.093 7.380 7.585 7.858 8.091
4.00 4.234 4.476 4.728 4.987 5.226 5.489 5.719 5.969 6.241 6.463 6.742 6.957 7.233 7.481 7.692 7.973
4.10 4.153 4.404 4.648 4.898 5.128 5.381 5.630 5.872 6.102 6.350 6.620 6.827 7.093 7.331 7.585 7.802
4.20 4.091 4.334 4.570 4.812 5.057 5.277 5.516 5.779 6.001 6.241 6.501 6.742 6.957 7.233 7.430 7.692
4.30 4.016 4.250 4.495 4.728 4.965 5.201 5.434 5.689 5.904 6.136 6.387 6.620 6.869 7.093 7.331 7.585
4.40 3.957 4.185 4.422 4.648 4.898 5.128 5.354 5.573 5.810 6.068 6.277 6.501 6.742 7.002 7.233 7.430
4.50 3.901 4.122 4.352 4.589 4.812 5.033 5.277 5.489 5.719 5.969 6.206 6.425 6.660 6.869 7.093 7.331
4.60 3.846 4.060 4.283 4.513 4.749 4.965 5.201 5.434 5.659 5.872 6.102 6.314 6.540 6.784 7.002 7.233
4.70 3.779 4.001 4.234 4.458 4.668 4.898 5.128 5.354 5.573 5.779 6.001 6.241 6.463 6.660 6.913 7.139
4.80 3.728 3.957 4.169 4.387 4.609 4.833 5.057 5.277 5.489 5.719 5.936 6.136 6.387 6.580 6.827 7.047
4.90 3.690 3.901 4.122 4.334 4.551 4.770 4.987 5.201 5.407 5.630 5.841 6.068 6.277 6.501 6.701 6.957
5.00 3.641 3.846 4.060 4.283 4.495 4.708 4.920 5.128 5.354 5.573 5.779 6.001 6.206 6.425 6.620 6.827
5.10 3.593 3.806 4.016 4.234 4.440 4.648 4.854 5.080 5.277 5.489 5.719 5.904 6.136 6.350 6.540 6.742
5.20 3.546 3.753 3.972 4.169 4.387 4.589 4.812 5.010 5.226 5.434 5.630 5.841 6.068 6.277 6.463 6.701
5.30 3.512 3.715 3.915 4.122 4.334 4.532 4.749 4.942 5.152 5.354 5.573 5.779 6.001 6.206 6.387 6.620
5.40 3.467 3.678 3.873 4.076 4.283 4.495 4.688 4.898 5.104 5.302 5.516 5.719 5.904 6.136 6.314 6.540
5.50 3.435 3.629 3.832 4.030 4.234 4.440 4.648 4.854 5.057 5.251 5.461 5.659 5.841 6.068 6.241 6.463
5.60 3.392 3.593 3.793 4.001 4.201 4.387 4.589 4.791 4.987 5.201 5.381 5.601 5.779 6.001 6.206 6.387
5.70 3.361 3.558 3.753 3.957 4.153 4.352 4.551 4.749 4.942 5.128 5.328 5.544 5.719 5.936 6.136 6.314
5.80 3.330 3.523 3.715 3.915 4.106 4.300 4.495 4.688 4.898 5.080 5.277 5.489 5.659 5.872 6.068 6.277
5.90 3.290 3.490 3.678 3.873 4.060 4.267 4.458 4.648 4.833 5.033 5.226 5.434 5.630 5.810 6.001 6.206
6.00 3.260 3.456 3.641 3.832 4.030 4.217 4.404 4.609 4.791 4.987 5.177 5.381 5.573 5.749 5.936 6.136
6.50 3.121 3.300 3.490 3.665 3.860 4.030 4.217 4.404 4.589 4.770 4.965 5.128 5.328 5.516 5.689 5.872
7.00 3.001 3.175 3.350 3.523 3.703 3.887 4.060 4.234 4.404 4.589 4.770 4.942 5.104 5.302 5.461 5.630
7.50 2.897 3.068 3.232 3.403 3.569 3.741 3.915 4.091 4.250 4.422 4.589 4.770 4.942 5.104 5.277 5.434
8.00 2.801 2.968 3.130 3.300 3.456 3.629 3.793 3.957 4.122 4.283 4.458 4.609 4.791 4.942 5.104 5.277
8.50 2.724 2.882 3.042 3.203 3.361 3.523 3.678 3.846 4.001 4.169 4.317 4.476 4.648 4.812 4.965 5.128
9.00 2.651 2.808 2.960 3.121 3.270 3.424 3.581 3.741 3.901 4.045 4.201 4.369 4.513 4.668 4.833 4.987
9.50 2.582 2.737 2.890 3.042 3.194 3.340 3.501 3.653 3.806 3.957 4.106 4.250 4.404 4.551 4.708 4.854
10.00 2.523 2.671 2.822 2.968 3.121 3.270 3.413 3.569 3.715 3.860 4.016 4.153 4.300 4.458 4.609 4.749
10.50 2.471 2.619 2.765 2.905 3.051 3.194 3.340 3.490 3.629 3.779 3.929 4.076 4.217 4.369 4.513 4.648
11.00 2.422 2.564 2.710 2.852 2.992 3.139 3.280 3.424 3.558 3.703 3.846 3.986 4.137 4.267 4.422 4.551
11.50 2.380 2.517 2.658 2.793 2.936 3.077 3.213 3.361 3.501 3.641 3.779 3.915 4.060 4.201 4.334 4.476
12.00 2.334 2.471 2.613 2.744 2.882 3.026 3.157 3.300 3.435 3.569 3.715 3.846 3.986 4.122 4.267 4.404
12.50 2.295 2.433 2.564 2.704 2.837 2.976 3.103 3.241 3.382 3.512 3.653 3.779 3.915 4.060 4.185 4.317
13.00 2.261 2.395 2.528 2.658 2.793 2.928 3.060 3.194 3.320 3.456 3.593 3.728 3.860 3.986 4.122 4.250
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