|
|
本帖最后由 H-RH 于 2014-6-16 13:41 编辑
' _' S9 H! @% }! V. ddiler 发表于 2014-6-16 10:14 ' T5 W, d1 e: X+ a# |! \/ q
能说一下具体是哪条有提到吗,一直没发现有类似的内容,谢谢! & c, e( Q3 G1 t0 ?2 d0 U
如果是 IEC 61547 则有些分別:+ w2 ]9 T! J6 c, F
. A; {/ Z8 ^& b- Y! L* ^6 M: \4 KIEC 61547:20095 {7 J7 f, L1 ~+ R9 p
5.7 Surges* z5 F5 }. s- b# @
These tests are carried out according to IEC 61000-4-5, with test levels as given in Table 10 of this standard. Lower levels need not to be tested. Pulses shall be applied to the a.c. voltage wave as follows; five positive polarity pulses at the 90o phase angle, five negative polarity pulses at the 270o phase angle. Two test levels are given for different types of lighting
! _4 o1 K8 k7 @
- N8 A2 Y- L0 O! B& ?. G4 z
" _; @ l+ B* x/ @9 O3 m: ~( x, ^ |
|