|
|
|  PDSH 1005* x. q6 |7 o& V; D4 Y# ^: N
$ t n! ^( @" ]; Y s9 z
| Measurement of tangent of loss angle on capacitors
, ~" w5 Z5 ^+ ^; V2 ?% k | 8
4 J# }) l7 a7 k& d6 P0 n5 U5 e, e | 61049(ed.1)! b0 b) Z4 S( T1 d
|
) M* X8 P* W) @% ?
Standard(s):! q) I, ^& O# p x" A
IEC 61049/1991
1 W! B+ d. I& ?( H: G: m' SIEC 61049-Ec/1992
- ~' s$ X2 ]8 Y! b! J E) oSubclause(s): 8
% ^/ p4 g' g9 w' ~No. Year PDSH 1005 2010* |! Q# H7 y* x# N: y
Category: LITE Developed by: ETF5 OSM/LUM
7 i# o1 s: I0 \3 e% I2 sSubject:
|7 ]1 w5 n- g& l4 x" C4 CMeasurement of tangent of loss angle on capacitors
9 w! a2 q, O Q% a7 BKey words:
) O$ L4 f8 V$ X' e/ |- g( L- Discharge resistor
0 k- M# d8 j! A6 t- Capacitor4 i$ K0 _) z1 m N( v
- Tangent of loss angle3 f' F2 S; ]5 x# A4 M
To be approved at the 49th CTL Plenary Meeting, in 2012, E$ e- ~/ |: A0 x- Y
Question:
# O7 e! q. U7 J& r, w- ]When checking the value of the tangent of loss angle against the value declared by the manufacturer,
, G0 }3 J, q3 e, P& wshould a discharge resistor encapsulated with the capacitor be considered? This is relevant because in a 2
$ U3 q _, l. T- a. u, ^% e( i+ fμF capacitor with a discharge resistor of 1 M, the tangent can duplicate its value.
- p5 m9 Q( S4 a( z7 hDecision:
+ ?- q2 q( \; QIn case the resistor is an integral part of the capacitor, the resistance is to be considered.: X% h% C9 N0 x+ ^1 O
% W6 X& l3 e0 z/ q% A+ @
/ G: r) D$ K' P% n7 J8 n |
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 16:03
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡