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|  DSH 797
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| - Application of the limits on LED luminaries and on independent LED power supplies - Test method on ...
1 V5 b J3 s/ D8 s9 M7 v |* Y$ [ | 5.2.4, 5.3 and 5.5.61 {) B$ s3 O" j; i/ H- [
| CISPR 15(ed.7);am1;am2
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$ q/ f% Q9 n9 M7 eQuestions:9 ?8 S/ R4 w, d8 X) J
1) What are the applicable limits for LED luminaries?9 |8 `- I I- y+ }8 u) D* a
2) What are the applicable limits for independent LED power supplies?" i' i5 g5 Q5 |* K
3) What is the correct test method for electromagnetic emissions from auxiliaries (ballast,
. R0 N( v) {/ D Qconverter or LED power supplies)?
, C. N4 a6 u; Y' VDecisions:
+ m6 _1 l2 ]' Y( V6 z+ F# W/ l1) LED luminaries:
! d( K* o6 D0 j: Q g0 C- Conducted emissions on the mains terminals shall be according to limits of Table 2a for luminaries with or without usage of switching technology. .2 ?1 h, E+ y$ [6 L; a4 y2 h! p
- 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.
0 ?! A, c) l: ]) ]& v5 O$ C- Radiated emissions from 9 kHz to 300 MHz shall be according to limits of Tables 3a and 3b for luminaries using switching technology. s8 O l2 A& }, Q5 N0 l8 z/ p( H, ^
2) Independent LED power supplies:2 I0 H4 k6 t7 k7 A x0 \! 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..& I o8 F5 N J- H) @! a: A
- 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..) ~! _" }+ d6 @# `. o# ^4 l9 B
- 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.5 r2 j9 g+ e* m' \
- 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.8 p3 D6 T4 C l9 ]. L- N! d
3) Test method on electromagnetic emissions from independent auxiliaries:
u0 f9 E0 D# y- Regulations of paragraph 5.3 of the standard CISPR 15 apply.
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发表于 2012-9-4 15:56
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发表于 2012-11-19 09:17
