GOST R 54127-3-2011 Low voltage distribution systems up to 1000 V a c and 1500 V d c Electrical safety Equipment for testing measuring or monitoring of protective measures Part 3 L.pdf

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1、 54127-32011( 61557-3:2007) 1000 1500 . , 3 IEC 61557-3:2007Electrical safety in low voltage distribution systems up to 1000 V a. c. and 1500 Vd. c. Equipment for testing, measuring or monitoring of protectivemeasures Part 3: Loop impedance(MOD) 27 2002 . 184- , 1.02004 . 1 , - 4, 2 233 3 - 28 2011

2、. 373-4 61557-3:2007 1000 1500 . , . 3. (IEC 61557-3:2007 Electrical safety in lowvoltage distribution systems up to 1000 V a. c. and 1500 V d. c. Equipment for testing, measuring or monitoring ofprotective measures Part 3: Loop impedance). . 2999 . . . - . - . - 1.52004 ( 3.5)5 61557-320066 , - . (

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6、 - 0;6 % - 180;5 % 0 ( - , - )9 -, 4.1T2 54127-32011 1 - , , 0,5 % - - ., - 10 102) , 4.1 = c177 |A| + 1,15 c180 EEEEEEEE12223262728292102c43c43c43c43c43c43c43 - -, 4.1R1) 6.1 6.2 , .2) 10 , - , - PEN- 2.A ; n ; R - ; T .B % = c177B 100. - 54127-1, :- ;- 85 %110 % - , ;- 99 %101 % , ;- ;- . , - , ,

7、- ( 30), . , - , (, 50 ), 18(, 30), - .4.2 - , . 6.1 18 - 14 52319 - , .4.3 -, . , - , .3 54127-320114.4 50 . , 50 , 52319, 1.4.5 , , 120 % - , . .4.6 , , 173 % , 1 . .5 5.1 , 54127-1, :5.1.1 , - 4.1.5.1.2 , .5.1.3 , .5.1.4 , 18.5.2 - 54127-1:5.2.1 , 18.5.2.2 .5.2.3 , - 4.1.5.2.4 ( ), - 4.1.5.2.5 , , - .5.2.6 , , , - , , , - . , .6 54127-1 :6.1 1. :- ;-