1、1 ICS29.240 Q/GDW 481 2010 PartialDischargeDetector CalibrationSpecification 2 0 1 0 - 0 8 - 2 4 2 0 1 0 - 0 8 - 2 4 Q/ GDW I II 1 1 2 1 3 1 4 1 5 2 6 3 7 3 8 8 9 8 A 9 B 11 C 16 D 17 23Q / GDW II GB/T 7354 1987 GB/T 7354 2003 JJG 145 93 A B C D Q/ GDW 1 GB/T4793.1 GB/T7354 GB/T16927.1 GB/T7354 part
2、ialdischargedetector pulse responseofpartial discharge detector calibratedpulse generator q 0 q s detectablesensitivity q s s/n=2 5 10 5 q 5 10 q 10 q x a 1 q x a Q / GDW 2 a 1 5 5 10 10 f 10 q l s 10 r d 2 f Hz 1 2 5 10 50 100 R min 35 55 76 85 94 95 R max 45 65 86 95 104 105 2 f R min R max n n 2
3、4h 3 a tr 60ns b q 5 1pC c n 1 a 2 b 100Hz 2 Q/ GDW 3 100 s q s 23 5 30 80 220V 1 10 50Hz 1 Hz 3 1 60ns 10mV 100V 1 50Hz 1000Hz 2 2 s 250 s 1 3000Hz 0 999999 3 100MHz 2 4 25Hz 1MHz 2 2 0.1 5 1Hz 1MHz 0.1 6 0- 200V 0.05 0.03 10 7 0 30V 1 4 1 2 3 Q / GDW 4 4 - - 5 6 - 7 - - 8 9 - - 10 11 - 1 + - 2 1 V f 20dB % 100 B B f f f f 2 Q/ GDW 5 f Hz f B Hz 2 C k C x C q G OS Zm 100Hz U 20 5 U i D i K i =U i C q D i K i % 100 m m i li K K K 3 K m 2 50 D + D - % 100 ) ( 2 D D D D s 4 Q / GDW 6 2 D hi A A D li % 100 hi hi li r D D D 5 2 100 R 100 50 10 5 2 1 R 50 R 10 R 5 R 2 R 1 2 t 200 s D t D 10 t 2
