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1、K 49 JB/T 24401991 Discharge counter for surge arresters 1991-10-241992-10-01 1 GB 191 GB 311.2 GB 311.3 GB 311.4 GB 2900.12 GB 2900.19 GB 7327 GB 11032 GB 2900.12GB 2900.19 GB 11032GB 7327 3kV 1991-10-24 Discharge counter for surge arresters JB/T 24401991 JB 244078 1992-10-01 JB/T 24401991 2 8s20s1
2、 1s 1 () kA () A 2 000s() A () kA 515040 10 100 600 800 1000 65 5 200 400 600 40 10 400 600 1000 1200 65 20 50 150065 1 4kV GB 311.4 4/108/2018/402000sGB 7327 GB 11032 GB 7327GB 11032 8/201 5 101s 3%3 JB/T 24401991 3 110 5060s3 1 11 1 2510 1025 5.5 20 455060 s2 20 4518 635060s 120 12018 202018 55.5
3、2 5.6 GB 311.2311.4 30405 min10 min JB/T 24401991 4 2 2 1 5.1 5.2 5.8 25.36.2 35.46.3.1 45.76.6 3 3 15.46.3.23%(3) 25.56.4.110(5) 1 4 4 1 5.1 5.2 5.8 3 25.36.23 35.46.33 45.56.415(5) 55.66.5 ( ) 3 65.76.63 JB/T 24401991 5 6.3.16.3.2 a. b. c. d. a. b. c. d.GB 191 a. b. c.1 8.2d JB/T 24401991 * 2 100044 * 8801230 1/16X/XXXX,XXX 19XXXXX 19XXXXX 1XXXXXX.XX XXXXX http:/www.JB