1、 50571-4-442011( 60364-4-44:2007) 4-44 . IEC 60364-4-44:2007Low-voltage electrical installations Part 4-44: Protection for safety Protection against voltage disturbances and electromagnetic disturbances(MOD) 27 2002 . 184-3 , 1.02004 . 1 - ( ) , 42 337 3 22 2011 . 329-4 60364-4-44:2007, 2 . 4-44. -.
2、 (IEC 60364-4-44:2007Low-voltage electrical installations Part 4-44: Protection for safety Protection against voltagedisturbances and electromagnetic disturbances). - 1.5 ( 3.5). 1.5, 5 50571.182000, 50571.192000, 50571.202000 , - . () . - , , 2012 , - - II 50571-4-442011440.1 .1440.2 .1441 ().2442
3、, .2442.1 .2442.1.1 2442.1.2 2442.2 3442.2.1 4442.2.2 .5442.2.3 6442.3 - N .6442.4 - IT .6442.5 6443 6443.1 6443.2 ( ) 7443.2.1 - ( ).7443.2.2 7443.3 8443.3.1 8443.3.2 8443.4 .9444 .10444.1 .10444.2 ()10444.3 10444.4 .11444.4.1 .11444.4.2 11444.4.3 TN 13III 50571-4-442011444.4.4 TT 16444.4.5 IT .174
4、44.4.6 18444.4.7 .21444.4.8 , .24444.4.9 .25444.4.10 .25444.4.11 .27444.4.12 27444.5 .27444.5.1 27444.5.2 27444.5.3 - 28444.5.4 30444.5.5 .30444.5.6 .31444.5.7 31444.6 32444.6.1 .32444.6.2 .32444.6.3 33444.7 34444.7.1 .34444.7.2 .34444.7.3 35445 37445.1 .37 () 442.1 442.2 38 () (), 40 () d 41 () - ,
5、 - 4243IV 50571-4-442011 60364-4-44:2007 . 4-44. . - 50571 . , :- () , - . 60664-1 . 1. , - - ;- ;- .V 50571-4-442011 4-44 . Low-voltage electrical installations. Part 4-44. Safety requirements. Protection against voltage disturbances andelectromagnetic disturbances 20120701440.1 ( ) - . - (. 50571.
6、1, 1), , - .440.2 . 50571.12009 ( 60364-1:2005) . 1. - , , 50571.32009 ( 60364-4-41:2005) . 4-41. . 50571.1096 ( 60364-5-5480) . 5. - . 54. 50571.162007 ( 60364-6:2006) . 6. - 51317.2.5-2000 ( 61000-2-595) -. . 51317.6.12006 ( 61000-6-1:2005) -. , . 51317.6.22007 ( 61000-6-2:2005) -. , - . 51317.6.3
7、2009 ( 61000-6-3:2006) -. , - . 51317.6.42009 ( 61000-6-4:2006) -. , . 1 50571-4-442011( 60364-4-44:2007) 60950-12009 . -. 1. 2932292 ( 38-83) 441 ()442 , 442.1 :- , (. 442.2);- (. 442.1.3);- IT (. 442.4);- - (. 442.5) , -. 61936-1 1.442.1.1 442 -. , :- ;- ;- .442.1.2 442 (. 44. 1):IE , - ;RE ;RA - ;RB ;U0 N , IT - - ;Uf , - ;U1 - ;U2 - . 1 (U1 U2) , - , - ;2 50571-4-442011Ih , , - (. 44.1);Id 411.6.2, - (. 44.1);Z (, (), ) - . 2 - , (. 61936-1 1).442.2
