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3、.Part 3. Requirements for isolating spark gaps 201501011 . , , , . , -, :- ;- ;- , ;- - ;- ;- ;- , - ;- . - . .2 . - . .60068-2-52:1996 . 2.- b: , ( )IEC 60068-2-52:1996 Environmental testing Part 2-52: Tests Test Kb: Salt mist, cyclic (sodiumchloride solution)1 62561.32014 61643-11 . 11. , -. IEC 6
4、1643-11 Low-voltage surge protective devices Part 11: Surge protective devices connected tolow-voltage power systems Requirements and test methods 62561-1 . 1. -IEC 62561-1 Lightning protection system components (LPSC) Part 1: Requirements for connectioncomponents 62305-1 . 1. IEC 62305-1 Protection
5、 against lightning Part 1: General principles 6957:1988 . - ISO 6957:1988 Copper alloys Ammonia test for stress corrosion resistance 6988:1985 . ISO 6988:1985 Metallic and other non-organic coatings Sulphur dioxide test with generalcondensation of moisture3 :3.1 (isolating spark gap): - . .3.2 (spar
6、kover voltage): - .3.3 (withstand voltage): , , .3.4 (power frequency withstand voltage): , .3.5 (DC withstand voltage): - , - .3.6 (rated withstand voltage): - , - .3.7 (rated powerfrequency withstand voltage) UWAC: , .3.8 (rated DC withstand voltage)UWDC: , - .3.9 (impulse sparkover voltage): , 1,
7、2/50,.3.10 (rated impulse sparkover voltage) Urimp:,.3.11 (isolation resistance): - .2 62561.320143.12 (lightning impulse current) Iimp: , . : , , , - .4 1 :a) ;b) N ;c) 1L ;d) 2L ;e) 3L .5 5.1 , .5.2 - , . , - , , , .5.3 -, . , , :- (Iimp);- ;- (Urimp);- (UWAC);- (UWDC);- ( );- , -. .5.4 . 6 , - 4.5.5 . , . , .5.6 5.6.1 - , .3 62561.320145.6.2 - , .5.7 100 , 500 . 6.2.1.5.8 , , :a) , ;b) ;c) 4. b) , . . , , , - . 6.3.5.9 , - , . .6 6.1 , . , , - . , , .-,- , , . - , . , - , , - 62561-1 , 1 .
