资源描述：
GB 13955-92 GB 13955-92 1992-12-191993-05-01 1 50Hz220/380V 1 GB3787 GB6829 GB4776 GB9706.1 JB1284 3 3.1direct contact 3.2indirect contact 3.3inpulse voltage non-operating type residual Current operated protective devices 3.4main protection 3.5selective section protection 3.6assemble type residual current operated prote ctive devices 4 4.1 4.1.1 4.1.2 30mA 4.2 4.2.1 1/8GB 13955-92 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/20.htm 4.2.2 4.2.3A 4.2.3.1TN a. TN b. TN TT 4.2.3.2TT TT 4.3 4.3.1 4.3.2 4.4 4.4.1 4.4.2 4.5 a. I1 b. c. d. e. f. g. h. i. 2 j. 10 2 GB9706.1H 4.6 a. b. c. d. e. 4.7 2/8GB 13955-92 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/20.htm a. b. c. d. e. 5 5.1GB6829 B 5.2 a. 220V b. 380V c. 380V 5.3 5.3.1 5.3.2 2 5.4 a. b. c. d. e. 5.5 5.5.1 30mA 5.5.230mA100mA 5.5.3100mA 5.6 5.6.110mA 5.6.21530mA 5.6.3 10mA 5.6.4 10mA 5.6.5 5.6.6 6 6.1 6.1.1 3/8GB 13955-92 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/20.htm 6.1.2 6.1.3 6.1.4 1 L1L2L3NPEPEN RCD TN PENTTTN 6.2 6.2.1 6.2.2 500Ω 6.2.3 5.3.2 6.2.4 0.5MΩ 6.3 6.3.1 6.3.2 6.3.3 1.5mm2 6.3.4 6.1.46.2.1 6.3.5 6.3.6 a. 3 b. 3 6.3.7 6.3.8 7 7.1C 7.2 7.3 7.4 4/8GB 13955-92 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/20.htm a. b. c. 7.57.4 7.6 7.7 7.8 7.9 7.10 7.11 7.12 A A1TN TN TNS TNSTNC TNCTNCS A2TT A3IT A4 T I T N S C B 5/8GB 13955-92 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/20.htm B1 50Hz B2Un 220V380V B3Usn a. 12244060110220V b. 1248220380V B4In 6101620253240506063100125 160200250A B5IΔn 0.0060.010.0150.030.050.075 0.10.20.30.51351020A B6IΔa 0.5IΔn B7 B1 B1 IΔnIns IΔn2IΔn0.25A 0.030.20.10.04 B2 B2 IΔnIns IΔn2IΔn5IΔn 0.20.10.04 0.03 400.2-0.15 * IΔn0.03A 0.20.40.811.52s B8 a. JB12845.3 6/8GB 13955-92 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/20.htm b. B3 B4 B3 IΔnA 300500100015002000 A cosΦ 0.95 0.95 0.950.950.9 In3000 4500 6000 10000 20000 50000 A cosΦ0.9 0.8 0.7 0.50.30.25 B4 InIm AA In10300 10In50500 50In1001000 100In1501500 150In2002000 200In2503000 B9IΔm B3 B4 C mA 7/8GB 13955-92 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/20.htm 8/8GB 13955-92 2020/7/16file///C/Users/ThinkPad/AppData/Local/Temp/20.htm
展开阅读全文
