|
|
5 S* k& j, g! |8 M* Z
7 h0 \# Y+ c2 f @+ p+ w: q" `) _ | Mains Transformers# e n- X7 ^* T4 A" r9 E
| 14.7
$ c4 w! G4 t, T a | 61010-1(ed.1);am1;am2
: ~/ g# M, Q1 @+ u6 Z7 r( l |
1 {4 `/ N X; \: O F# d# L! W
- G$ @8 n0 k* \# [Standard:% R* c r% M5 _9 v: s) g4 v
IEC 61010-! o2 y' N7 ^7 s, \3 b
1:1990+A1:1992+A2:19954 w3 c& H+ ^2 m% C, G$ }* c; E9 _
Sub clause:
1 D# `/ ?+ f. l# \& L' E14.7+ z& M! F- Y7 V% v/ d
Sheet n. 314
- L& A/ n; Q* WPage 1(1)
) I. j1 m; k& N8 XSubject:; Z+ q9 l& f2 e; K1 w1 e; ^
Mains transformers
2 y4 o7 L) `8 z6 wKey words:
) `' k4 Y3 V3 s; \& J- Isolation
- p1 i: c( I, \" H1 B3 h- Transformer
O( D6 @' D7 u( T+ ?( sDecision taken by; l0 _4 j2 U7 W/ z. f
ETF3 and confirmed
# N. L! ^% b1 g$ U# c8 eby CTL at its 38th
+ x1 E- O# P7 s) l# _- {meeting, in Toronto0 t( Y, n& e5 M0 ^
Question:$ H2 C% h/ v+ Z ?* Z
What isolation and loading requirements are applied to auto transformers?
8 B+ y5 b3 ^& G% V% P/ ?Decision
& Y! b( A' J/ S K/ I3 vTests for loading are applied when applicable as for isolation transformers. No isolation
9 N: i! A6 ?; Erequirements are applied between voltage outlets, however, care must be taken to ensure that
6 \* _+ q6 c; Q: ncircuits separated by voltages are suitably isolated form one another to prevent short circuit
4 x g& e. r* V3 ?6 A% c/ _of the intervening winding.
$ K5 b2 i8 |3 O$ ~$ Q! FExplanation! V4 Q& T' z, o2 z) x3 x
Auto transformers are subject to overheating tests in the same way as isolating transformers,
# M) [& ]: K0 Ohowever, they are not designed to provide isolation and these requirements are, therefore, not
# t5 m, N( P! Dapplicable as there is direct connection between circuits.9 P) \) M4 I! K- h3 l' ]; s* c
. O8 A: f8 k# B7 L3 k0 V) h |
; A. B0 {0 y6 l8 n+ U: X v9 L9 n& Y: P% M$ i
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有帐号？注册安规
x
|
/2 
|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 2012-9-19 14:40
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡