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|  DSH 797
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& q$ C, \ X. F) U5 U0 E | - Application of the limits on LED luminaries and on independent LED power supplies - Test method on ...
1 k! _" _& u: }" \ | 5.2.4, 5.3 and 5.5.69 |8 l2 t* q. n* e
| CISPR 15(ed.7);am1;am2
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Questions:1 ?" J& u4 Q. C. H2 O2 f
1) What are the applicable limits for LED luminaries?
8 g( K5 | B/ S, T! S. d$ ^2) What are the applicable limits for independent LED power supplies?
7 W- J. s" R- I8 d+ i' B. |( h8 j- X3) What is the correct test method for electromagnetic emissions from auxiliaries (ballast,, \( [1 u$ y2 C1 D9 H% y( o
converter or LED power supplies)?
9 I) \' C; n6 O6 H, H: ODecisions:( {7 D" w; T: [7 p5 \0 L; P
1) LED luminaries:7 A* C7 X, s* |1 |# P
- Conducted emissions on the mains terminals shall be according to limits of Table 2a for luminaries with or without usage of switching technology. .
1 ]3 u8 \1 q8 V* ?1 B- Conducted emissions on the control terminals (if applicable) shall be according to limits of Table 2c for luminaries with or without usage of switching technology.8 i" ^ d* x/ i$ l
- Radiated emissions from 9 kHz to 300 MHz shall be according to limits of Tables 3a and 3b for luminaries using switching technology.
0 W$ X9 p. n- Z0 z. p- ^2) Independent LED power supplies:
z6 d V% _/ c. v- Conducted emissions on the mains terminals shall be according to limits of Table 2a to independent LED power supplies with or without usage of switching technology... M0 i: `( o* g( H& a3 l0 A% o
- Conducted emissions on the load terminals shall be according to limits of Table 2b to independent LED power supplies with or without usage of switching technology..2 T: K* \) r4 @$ \
- 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.
1 \& a; V2 p9 p% I( q% m0 Y 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.
3 r" L( B) K/ q ^( A3) Test method on electromagnetic emissions from independent auxiliaries:. B# H( b( w1 _5 K
- Regulations of paragraph 5.3 of the standard CISPR 15 apply.) Q5 A2 v, J; X; _7 G. y, T6 P" ]: p
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发表于 2012-9-4 15:56
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发表于 2012-11-19 09:17
