|
|
|  PDSH 1012
+ `) Y- l9 _5 Y) o2 n8 @6 ^2 y }
+ {' M1 A; L' l3 @ | Samples selection (family products)0 h8 y& h N* |3 L
| General' F. P" V* Z: {0 z, g) U$ B% j3 ^
| 61047(ed.2) & 61347-2-2(ed.1);am1;am2 & 61347-2-2(ed.2)# C' u' K7 R3 w+ t5 V( n& j
|
8 x# i2 ?: J+ y1 g
Standard(s):
) Z3 z5 b; f" t& ^. ~IEC 61347-2-2 X) Y# p4 ^5 g8 F
IEC 61047 All editions
& Z; p$ t0 i: ESubclause(s): General" G9 C m+ s' h( a
No. Year PDSH 1012 2010( I) E+ }8 v Y4 u. a: B* y
Category: LITE Developed by: ETF5 OSM/LUM
- t+ c1 y% z" l" B' m, ISubject:; z3 S: M7 e+ @& P; A: s
Samples selection (family products)
, p e& w5 x1 oKey words:
! O' Q7 |$ B! [; p2 T2 ^- Step-down convertors1 m( W# m4 l* A; d
- Samples selection
5 P" M8 J' {! |1 A- IEC 61347-2-2 / 61047! H: g' r* T% p+ J+ k( X; G3 X
To be approved at the 49th CTL Plenary Meeting, in 2012) h4 c& a1 ?* d1 f2 Z0 n7 u
Question: J# |/ ~6 O) O& \
What samples to be tested in case of family step-down convertors?
8 d+ Y8 k: q5 W) U Y( A6 H1 hDecision:
1 r; J. Q- s- l: A% I) P: UStep-down convertors, (d.c. - a.c.) (IEC 61347-2-2 / 61047) – Normally the tests are provided on all the
! ^5 G$ u; b' ytypes of convertors with the following exceptions:
* [% N8 g+ u% y# ]! R9 }0 h; L- resistance to heat, fire and tracking tests, if materials used are the same;1 }5 B1 k" S7 Z. z
- heating and overload tests. It is possible to check the convertor with the maximum output if:) p! q( z" }, }
a) the convertors with lower wattages are identical to the maximum one (same circuit,! t" m H0 M1 K, }0 C0 l3 r/ y
electronic components, lay out, external enclosure);
7 c. Q% k% }. ^0 r7 L/ ~1 Ib) the convertors with lower wattages are provided with the same "tc" and "ta" values as the
) D! N. e1 V Rmaximum one.5 `1 K7 b% y# a: P) X4 m
4 @4 W0 u1 L4 W2 I
% y4 k+ j3 l$ R/ B) l |
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有账号？注册安规
x
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-9-17 15:37
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡