Question

and negligible shunt admittance. Calculate the resistance and reactance from the table on Page 4. It delivers 500KVA at 2400V to the load and a 0.90 lagging power factor. Calculate the following a) The required sending end voltage b) The required sending end power factor c) The percent voltage regulation at the receiving end SHOW ALL YOUR CALCUALTIONS feet long. 470 eU steel conduit hase dietribution transformer with voltage 2400/240VAC (center I Table 9 Alternating-Curreat Resistunce und Reactance for 600-Volt Cables, 3-Phase 60 Hz, 75°C (167F)Three Single Conductors in Condult Ohms to Neuiral per Kilomeser Olhms to Nentral per 1000 Feet Al Resistance for nceated Elfective Z at Q.BS PF for Unceated Copper Alternsting-Curreat Resistance for Effecthve Z at 0NS PF for Alaminum for All Wres rvc, Size Alum Alun- AWG r kemilCondulis Condeit Conduit Condait Confut Condult Condatit Codai Conduit Candul Conduit Condsit Condelt Condult Scm 14 0190 240 102 12- 14 12 1728 282 164 0207 39 3.9 3.9 66 66 | 66 | 36 3.6 1.6 10 8 0.171 0.213 2.5-2.56 | 2.56 43 43 43 12.26 226 2.30 in 3.6 凶 0.167 0,210 1.61 1.61 1.61 2.M 286 266 1.6 1.4裏 '48 2.33 2.36 2.36 4 0.157 | 0.107 | 1.02 | 1.02 | a2 丨 167 | 167 | ,67 | aos 1095 ass | 1,51 0.048 10010 | 0.31 a31 031 l. asi 10.5니 0.3니 039 10.29 | азо 10.46 | 046 | 046 | 0.1S4 | 0.194 | 012 | 082 | 032 131 | 1.35 | 1.31 | 075 10.79 | 0.79 | 1.21 | L21 | 1.21 046 0.46 031 03 0047 10059 0.25 ย.25 | 025 040 041 | 040 025 024 | 024 17 | 0.17 | 0.37 2 0148 1 062 6 0L 042 02a6098 0.187 | 049 | 0.52 | 052 | 083 | aas | as2 | as2 Inn | as 10% | a79 | ar 52 57 | 0.15 | 0.16 0.16 025 026 025 al 16 | 016 | 0.24 024 1025 0A3 | 039 066 069 | 066 | 0.43 | 043 043 062 | 066 | 066 IN 0.144 018 0 04 30 | 0.141 | 0.177 0.33 .33 M) | 0.138 | a171 | a253 | 0.2M,| 0.259| 043 | 043 | a43 0289 | 0,00 | 0,08 |од 0.13 012 020 2 0.20 a3 1330.90.300 036 0. 0.08 a 6 30 lein 00740078 il 11 al 0041 0052 052 0.057 0054 0085 0090 9086 166 0870 0.073 00S O 00 0.135 167 0144 0 148 23 0249 03614 203 3x2xo 00 1 0044 0049 0045 0071 0.076 0072 0059 0.063 0065 002 006 00 400 | 0.131 0.161 | 0.108 | 0.125| 0.1เ51 0.177 | 0.194 | 0.180| 0.141 | an4 | 0.184 | 0.2171 om 101401 400 00 009 3300 0019 an8 006 0070 1053

Answer 1

From the table ,-fo、 looo-feet data-s given veactance 0 05 ohm/loooi Xesistance oo63 ohmoo-feet a) Sendinqaqe I 231.4 2- 25.84 240+ (131-482->5 84) (o 0315ss) Sendi Ehd Vol tage ending End poce1 Ja elov Vs 140.43 o o6S s Ip 231.48 z-2548 now anqle bedcoeen Vs and I25.48+oo6s ower facto: cos 2s.54 alo laj?'ng c)VoHage vequlation 2 ч 09.43-2400 CS Scantvotags voltae regula-Hon o.39..