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大家能否讨论一下: 线性电源绕开CEC要求的方法.
! Z+ |6 x) f/ T譬如,次级采用双绕组, 能有效避开CEC要求吗? 6 c% U: q; w, C0 _$ w" P
引用:
% R+ V4 {" p9 g: v) f/ qThese Standards apply to each single-voltage external AC to DC, or AC to AC power supply
" V* n. K: t4 xthat meets the following conditions:
* {) k5 Z0 U' b0 W' A9 G q1. is designed to convert line voltage AC input into lower voltage DC or AC output;
! A8 c: O- |( ~6 a2. is able to convert to only one DC or AC output voltage at a time;( B6 j5 i9 s4 B& S7 C. H
3. is sold with, or intended to be used with, a separate end-use product that
$ Z- P2 B4 g8 c2 u# l- X" v' Tconstitutes the primary load;1 m# n# C( u/ j1 V% ^; o4 j3 H6 i7 V
4. is contained within a separate physical enclosure from the end-use product;
9 A3 i/ O( @4 p. R3 Z% Z5. is connected to the end-use product via a removable or hard-wired male/female) G; r2 W' w q! e O, w
electrical connection, cable, cord, or other wiring;) q: C, T. W' i$ F% i+ X) J
6. does not have batteries or battery packs that physically attach directly (including
+ j; n- {! X+ J; N1 Q. m; H( b' I! Xthose that are removable) to the power supply unit;
* n, i/ }* E. c' }4 E' I( W7. does not have a battery chemistry or type selector switch and an indicator light;
2 _1 S/ K; B4 O2 ]or, does not have a battery chemistry or type selector switch and a state of
/ i* Q) K9 J4 E7 _7 s, c9 wcharge meter;
) p7 K% Q' h$ I0 N0 }/ Z8. has a nameplate output power less than or equal to 250 watts. |
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