1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) IEC 61557-5 2013 1000 1500 . , 5 (IEC 61557-5:2007, IDT) 2014 IEC 61557-52013 II , 1.092 . 1.22009 . , . , , , 1 - ( ) 2 (-) 3 , (- 59- 27 2013 .) : ( 3166) 00497 ( 3166) 00497 AM BY KG RU UZ 4 11 2014. 110- IEC 61557-52
2、013 01 2015 . 5 IEC 61557-5:2007 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures Part 5: Resistance to earth ( 1000 1500 . - , . 5. - ). -. : - 1.52001 ( - 3.6). IEC 61557-52013 III IEC/C 85
3、 - (IEC). (en). - . (IDT) 6 - , . () - - . , , 2014 -, - IEC 61557-52013 IV 1 . 1 2 1 3 . 1 4 . 2 5 . 4 6 5 () 6 IEC 61557-52013 1 1000 1500 . , 5 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective meas
4、ures. Part 5. Resistance to earth 201501 01 1 , . 2 . - ( -). IEC 61010-1:2010 Safety requirements for electrical equipment for measurement, control and laborato-ry use Part 1: General requirements ( - - . 1. ) IEC 61557-1:2007 Electrical safety in low voltage distribution systems up to 1000 V a.c.
5、and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures Part 1: General requirements ( 1000 - 1500 . , . 1. ). 3 , IEC 61557-1, . 3.1 (series interference voltage): -, . 3.2 (auxiliary earth electrode): - , . 3.3 ; RH(auxiliary earth electrode resistance; RH): , , . IEC
6、 61557-52013 2 3.4 (probe): , . 3.5 ; RS(probe resistance; RS): - , - . 4 , IEC 61557-1, . 4.1 E H . , -, , , - . 4.2 - , 4.3, . 4.3 - , , 30 % 1. IEC 61557-52013 3 1 - - IEC 61557 - - A IEC 61557-5, - 6.1 R 90 E1IEC 61557-1, - 4.2 R - , - E2IEC 61557-1, - 4.2 4.3 R - 0 C 35 C E3IEC 61557-1, - 4.2 T
7、 . 4.2 4.3 E4IEC 61557-5, - 4.2 4.3 T - - - 0 100RA, 50 E5IEC 61557-5, - 4.3 T - 99 % 101 % E7IEC 61557-5, - 4.3 T 85 % 110 % E8IEC 61557-5, - 4.3 T - - )15,1(28272524232221 += IEC 61557-5, - 4.3 R ; En ; R - ; T ; % 100%B =. , - IEC 61557-1, : - 400, 60, 50, 162/3 E (ES) S . - 3 . , - , , E4 ; IEC
8、61557-52013 4 - 0 100RA, 50 ; - 85 % 110 % - 99 % 101 % / , - . 4.4 - -. 4.5 , . - : - 50 70 - . , , 25 35 ; - 3,5 (5 ) () , 50 (70 ) 25 (35 ) . IEC 61010-1 ( 2). 4.6 , - , , 120 % . . 5 5.1 IEC 61557-1 : 5.1.1 , . 5.1.2 . 5.1.3 ( ): - E ; - ES , ; - S ; - H . 5.2 - IEC 61557-1: 5.2.1 (, ) , . 5.2.2 , -, 4.3 ( ). 5.2.3 ( ). 5.2.4 , , 5.1.3. IEC 61557-52013 5 6 IEC 61557-1 : 6.1 1. : - ; - , - ; - 4.3; - (23 2) C; - , ; - 100 ; - , 0 . , , , 4.3. 6.2 4.5 , - - (- ). 6.3 - - 4.4 ( ). 6.4 4.6 ( ) -
