GB50054-95低压配电设计规范.pdf
GB 50054-95 199661 1.0.1 1.0.2500 1.0.3 1.0.4 1/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm 2.1.1 2.1.2 1 2.1.3 2.1.4 2.1.5 2.1.6 2.1.7 2.1.8 2.2.1 2.2.2 2.2.2 2.2.2 2/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm 2.2.35m 2.2.4 2.2.4 K t1 t0 t2 2.2.5 10 2.2.6N 2.2.7 2.2.8PEN10mm2 16mm2PEN4mm2 2.2.9PEPE2.2.9 2.2.9 PE 2.2.10PE 2.5mm2 4mm2 2.2.11PEN 2.2.12TN-CPEN TN-CTN PE 3/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm 3.1.1 10KVGB50053-94 3.1.2 3.1.3 3.1.4 3.1.550200 3.1.6 3.1.7 2m 3.1.86m 15m 3.1.93.1.9 3.1.9 m 1 23.1.9 3 3.2.1 1 2 3.2.225V GB4208-84IP2X 3.2.3 3.2.4 1.51.01.22.01.01.21.51.52.02.01.51.0 1.30.81.21.80.81.21.31.32.02.01.30.8 1.81.01.22.31.01.21.81.02.02.31.81.0 1.60.81.22.00.81.21.60.82.02.01.60.8 4/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm 3.2.5 IP2X100mm 50mm 3.2.6GB4208-84IP4X 3.2.7 3.2.8 2.5m 1.25m IP2X 3.2.9 3.2.10 2.5m2.5m2.2m 2.3m2.3m1.9m 3.2.112.5m 2.5m0.8m1.4m 3.1.9 3.3.1 3.3.27m 3.3.3 3.3.4 3.3.5 3.3.6 3.3.7 GB4208-84IP3X 4.1.1 4.1.2 4.1.3 5/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm GB50055-94 4.2.1 4.2.2 5s 4.2.2 S I t K 4.2.2 0.1s5s 4.2.2 K 4.2.3JB1284-85 1.3 4.2.4 20A 4.3.1 4.3.2 4.2.4 4.3.3 4.3.4 IBInIZ4.3.4-1 I21.45IZ4.3.4-2 IBA InA IzA I2AIz 6/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm Iz 4.3.4-14.3.4-2JB1284-85 InIz1 4.3.5 4.3.6Iz 4.4.1 4.4.24.4.1 GB/T12501-92 4.4.3 UL50V 4.4.4 PEPEN 4.4.5 4.4.5 R Ω Ia Ia 1.3 4.4.6TN ZsIaU04.4.6 ZsΩ Ia U0 PE 7/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm 4.4.7220VTN 5s 0.4s 4.4.84.4.7 5sIdIn 4.4.8-1 4.4.8-1 5sId / In 0.4sIdIn 4.4.8-2 4.4.8-2 0.4sId / In 4.4.94.4.7 4.4.70.4s 50V 4.4.10TN 4.4.7 4.4.7 4.4.11TT ≤4.4.11 RAΩ IaAIa 5sIa Ia Δ 4.4.12TTPE 4.4.13IT RAId50V 4.4.13 8/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm RAΩ IdA IT 4.4.14IT TN 4.4.15IT TN220/380V0.4s 4.4.15-1 ZsPEΩ Ia TN220/380V 4.4.15-2 ZsNPEΩ 4.4.16ITN 4.4.17PEPEN 4.4.18 4.4.19TN PE4.4.6 4.4.12 4.4.20IT Δ 4.4.210.5A 4.4.22 4.5.1 4.5.2 3m 4.5.33m 9/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm 4.5.4N 4.5.5TTTN-SNN NN N 4.5.6TTTN-SNNN TN NN TN-CPENPENPEN 5.1.1 5.1.2 5.2.1 6mm2300mm 5.2.1 1.8m 5.2.1 5.2.2 5.2.3 5.2.1 5.2.45.2.4 m 2.5 2.7 1.8 2.7 10/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm 5.2.4 5.2.5 5.4.4 5.2.65.2.6 5.2.6 5.2.7 5.2.81.5mm 5.2.9 0.2m0.3m 0.5m1m 0.2m 0.1m 5.2.10 5.2.11 5.2.1227 5.2.1340 5.2.14 30m 20m 15m 8m 5.2.15 5.2.16 50V 5.2.17 L m L1.5m 1.5mL3m 3mL6m 6mL10m 50 75 100 150 100 100 150 200 mm 2500 200 800 600 35 11/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm 5.3.12.5 2.7 5.3.2 5.3.3 10mm2 12m 5.3.4 5.3.4 5.3.4 20mm2 5.3.5 500mm100mm 5.3.6 1.5m50mm100mm 3mm 5.4.1 5.4.23.5mIP2X 2.5m3.2.5 5.4.3 1.8m 1.8m 5.4.45.4.4 5.4.4 5.4.52.3m2.3m mmm 1500 1000 200 120 Lmm L2m 2mL4m 4mL6m 6mL 50 100 150 200 12/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm 5.5.1 5.5.22.2m 5.6.1 5.6.2 5.6.3 5.6.4 5.6.5 5.6.6 5.6.7 5.6.82.5m 1.8m 5.6.935mm 1KV1KV 150mm 5.6.101m1m 0.5m0.5m 0.5m 5.6.110.75m 0.6m 5.6.121.5 5.6.132.5m 5.6.1440 50 5.6.155.6.15 5.6.15 1.52m 13/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm 5.6.1650m 5.6.175.6.17 5.6.17 m 5.6.180.5 5.6.19 1KV1KV 5.6.20350mm500mm 5.6.215.6.21 5.6.22 5.6.21 m 5.6.23 5.6.2450Kg 5.6.251.9m1.4m 5.6.267m75m 0.7m 5.6.2736V36V 5.6.28 5.6.298 5.6.30700mm1m 100mm 50mm 200mm 5.6.311.5 2m200mm 5.6.325.6.32 5.6.32 m 510m 0.6m0.6m 1.00.30.5 0.90.30.45 0.20.150.15 0.120.10.1 1.0 1.5 0.8 1.0 3.0 6.0 14/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm 1 2 3 5.6.33 100mm 5.6.342m 1m 5.6.351m 5.6.360.60.7m 5.6.37 1.5m 5.6.385.6.38 5.6.38 5.6.395.6.39 5.6.39 1 2 5.6.40 150mm 5.6.41 0.5 0.6 1.5 0.5 0.1 0.50.1 2.0 1.00.25 1.0 3.0 1.5 1.0 0.50.25 0.50.25 0.5 0.50.25 1.0 1.0 0.5 25 20 25 20 251515 303030 202020 2015 10 15/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm 5.6.421212 5.6.4310t/m2 5.6.441.590mm 75mm 5.6.45 0.5 0.7m0.5m 60mm 5.6.46 5.6.47 100m 5.6.481.8m0.7m 5.7.1 5.7.2 5.7.3 5.7.4 5.7.51h 5.7.6 5.7.7300mm 5.7.8 50mm230m 50mm220m 16/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm PE 50V PE N PENPEN L1L2L3 PE TN-CTN-C-STN-STT 17/17 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/16.htm