铁山路压降计算表(从箱变至末端共1900米,前700米带250W双灯头高压钠路灯21盏,后1200米
带灯
电缆用VV4*25分三相平均带灯
序号灯具名称灯杆号功率(KW)I=P/ (U×cosφ×η) 1250W双灯头高压钠路灯10.5  3.156565657
2250W双灯头高压钠路灯21  6.435232312
3250W双灯头高压钠路灯3  1.59.850739291
4250W双灯头高压钠路灯4213.42094208
5250W双灯头高压钠路灯5  2.517.16778926
6250W双灯头高压钠路灯6321.11871951
7250W双灯头高压钠路灯7  3.525.30871648
8120W单灯头LED路灯8  3.6226.95400482
9120W单灯头LED路灯9  3.7428.17615791
10120W单灯头LED路灯10  3.8629.33739492
11120W单灯头LED路灯11  3.9830.50578791
12120W单灯头LED路灯12  4.131.69582272
13120W单灯头LED路灯13  4.2232.91179211
14120W单灯头LED路灯14  4.3434.15608006
15120W单灯头LED路灯15  4.4635.43083906
16120W单灯头LED路灯16  4.5836.73836887
17121W单灯头LED路灯17  4.738.08123398
18122W单灯头LED路灯18  4.8239.4623328
19123W单灯头LED路灯19  4.9440.88496652
20末端压降
21末端电压
1200米带120W单灯头LED路灯36盏,路灯间距35米,均带灯
R=ρ×L/SΔU=I×R备注
1.3224  4.1742424240.004174
1.32248.5099512090.00851
1.322413.026617640.013027
1.322417.747853810.017748
1.32242
2.702684510.022703
1.322427.927394690.027927
1.322433.468246670.033468
1.322435.643975970.035644
1.322437.260151220.03726
1.322438.795771040.038796
1.322440.340853940.040341
1.322441.914555970.041915
1.322443.522553880.043523
1.322445.168000270.045168
1.322446.853741570.046854
1.322448.5828190.048583
1.322450.358623810.050359
1.32245
2.18498890.052185
1.322454.066279730.054066
54.06627973
165.9337203