Select a three-phase, 11-kV cable to power a 20,000-hp propulsion motor that has 97% efficiency and 95%
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Select a three-phase, 11-kV cable to power a 20,000-hp propulsion motor that has 97% efficiency and 95% pf lagging. Determine the % voltage drop if the distance from the switchboard to the motor is 200 ft. You may place more than one cable in parallel, if needed.
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Two-Conductor Flexible Power Cable with 1-kV, 110°C Class Insulation Armored and Sheath (BS) Size Part AWG/ No. kcmil mm² 37-102 16 14 12 10 8 6 4 1/0 4/0 1.3 -501 2.1 -507 3.3 -515 5.2 -553 7.6 -209 12.5 -210 21 -594 54 -216 109. -219 Unarmored Nominal Weight Diameter (lb./ (in.) 0.350 0.380 0.420 Armored (B) Nominal Weight Diameter (lb./ MFt.) (in.) MFt.) 0.460 0.600 0.690 0.887 1.243 1.593 75 84 111 146 221 308 516 1128 2003 0.400 0.430 0.470 0.510 0.650 0.730 0.937 1.293 1.643. 141 165 190 230 327 424 664 1334 2271 Nominal Weight Diameter (lb./ (in.) MFt.) 0.540 202 0.561 230 0.601 263 0.641 307 0.781 416 0.903 1.110. 1.466 1.878 559 835 1562 2680 DC Resistance at 25°C (S2/1000 ft.) 4.610 2.907 1.826 1.153. 0.708 0.445 0.300 0.117 0.059 AC Resistance 110°C, 60 Hz ($2/1000 ft.) 6.121 3.859 2.424 1.530 0.940 0.590 0.399 0.156 0.080 Inductive Reactance (2/1000 ft.) 0.039 0.036 0.034 0.032 0.034 0.032 0.029 0.028 0.026
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Related Book For
Introduction To Electrical Power And Power Electronics
ISBN: 9781466556607
1st Edition
Authors: Mukund R. Patel
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