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本人不完全同意上樓的觀點!
' M6 @8 l% A% n' K) o; J* k在標準UL/EN60950-1中有:) ]' t7 _2 e3 h8 y1 @
BASIC , a, N& g- W% N% }6 l# F: e1 S& M
PRIMARY CIRCUIT 5 L6 x5 o3 T! q3 x. w8 r* Y! J
– earthed or unearthed HAZARDOUS3 A2 T# _; ?; ?* C' T
VOLTAGE SECONDARY CIRCUIT# ?& X3 H ~% p2 {9 Q& p
– earthed conductive part
! _# o0 A" ]" E$ m– earthed SELV CIRCUIT # D' S( s8 U, Y# y- X
– basic-insulated conductive part
( }! r; L7 Z4 ?0 c; z3 W– ELV CIRCUIT
; z6 ^/ _* ~3 l& t& M所以你只要證明你的接地部分能通過接地測試,能判定為保護接地, 且輸出通過了SELV測試,這里輸出還是可以判定為SELV |
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