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|  DSH 797$ b( U. @* `) Z3 ~/ G$ f1 }
+ m, |) h) H$ F3 J8 m& L9 G | - Application of the limits on LED luminaries and on independent LED power supplies - Test method on ...
0 W' H" l! U8 E& K | 5.2.4, 5.3 and 5.5.6
8 d; @7 {. a4 J3 U. m: X+ @1 X | CISPR 15(ed.7);am1;am2
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Questions:0 i- x ?" n6 F% h f& ?( @
1) What are the applicable limits for LED luminaries?
! Z# ]" J& p3 F* }2) What are the applicable limits for independent LED power supplies?2 d4 W. r! p; I# {0 {5 k0 e) M1 K, D
3) What is the correct test method for electromagnetic emissions from auxiliaries (ballast,7 U. m" c9 g8 }5 P9 P5 `
converter or LED power supplies)?
: q% Z _3 W* kDecisions:9 |4 C9 ~( R) \8 Q
1) LED luminaries: g! \( _ {) k* m1 A: f
- Conducted emissions on the mains terminals shall be according to limits of Table 2a for luminaries with or without usage of switching technology. . z4 C) w2 i# q- x$ {7 z# @
- Conducted emissions on the control terminals (if applicable) shall be according to limits of Table 2c for luminaries with or without usage of switching technology.6 m/ Y5 |( f& H: o+ G
- Radiated emissions from 9 kHz to 300 MHz shall be according to limits of Tables 3a and 3b for luminaries using switching technology.4 ?8 _# R1 F# ^( z1 |% X
2) Independent LED power supplies:5 R! h5 [9 @3 E
- Conducted emissions on the mains terminals shall be according to limits of Table 2a to independent LED power supplies with or without usage of switching technology..
8 E9 t1 B: C6 V2 ~: A% P2 P. O& R- Conducted emissions on the load terminals shall be according to limits of Table 2b to independent LED power supplies with or without usage of switching technology..; I) O J& K, R# n
- Conducted emissions on the control terminals (if applicable) shall be according to limits of Table 2c to independent LED power supplies with or without usage of switching technology., d! s$ \/ [. c7 R
- Radiated emissions from 9 kHz to 300 MHz shall be according to limits of Tables 3a and 3b to independent LED power supplies with usage of switching technology.& J1 |9 h" W; k, L8 A# y& Y
3) Test method on electromagnetic emissions from independent auxiliaries:
: a% y; {* W' I* v7 X- Regulations of paragraph 5.3 of the standard CISPR 15 apply.. D6 p! ^, }5 K, H0 F! v* Y
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发表于 2012-9-4 15:56
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发表于 2012-11-19 09:17
