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| DSH 7386 J2 v" N; Q+ r8 g
5 ~4 Q/ n. `6 e6 ^ | Insulation properties of housing of subclass Y capacitors
0 x4 N! m2 L3 g& M | 1.5.7.2 (IEC 60950- 1:2001) 1.5.6 (IEC 60950-1:2006)' u& ?5 B! @2 K& L- o9 J' |" b5 S
| 60950-1(ed.1) & 60950-1(ed.2)$ c% I7 D" A. _$ X W
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Standard(s):" I4 P. n4 H0 ?$ b
IEC 60950-1:20017 A. e: t8 r" D" m# ~( a1 d z- a
IEC 60950-1:2005
4 p5 {) z+ c$ G' R9 ySub clause(s):& r- H; Q: `4 p
1.5.7.2 (IEC 60950-
- B) w- {; } x' B1 |3 I) W. w. U4 |1:2001)
% O' C: A; @, y5 @7 s# N& @1.5.6 (IEC 60950-1:2006)
* Y/ _5 Z8 T" ] {$ u5 fDeveloped by ETF 2: k$ M, ~5 i' y8 f7 T
Question 68
6 _) L/ J9 t7 T8 ?% k: LSubject:
, n2 v3 p% j6 N. gInsulation properties of housing
1 F5 E: g" S' W) {of subclass Y capacitors* A, O) g& ~: @2 E; K7 d
Key words:6 K: D" S: E! M) R8 N' |8 Q
- subclass Y capacitor
+ X! [, b5 H( J: W4 Q, Z4 \- housing1 l2 i L! T! |9 v, L$ O( C
- insulation
4 ~# P5 @ f+ m' r. m2 v% v+ UDecision approved
+ Q2 o$ D& [2 t+ G3 A! }at the 46th CTL
1 U7 y% _: T7 XPlenary Meeting/ @0 A* t+ a; X
20090 I& R, Y( k* C- Z* s
Question:
* ?; ^. I* y% l7 J& j4 QCapacitors complying with IEC 60384-14 are permitted to bridge certain levels of+ I3 ?7 w" L) o$ v$ L# R9 W
insulation. Does the housing of such capacitors provide this same level of0 j1 O7 O; `) l0 S6 _9 X
insulation?
$ Q! a; W$ H! M6 G/ k% i5 e3 `Example: A subclass Y1 capacitor is permitted to bridge double or reinforced/ A/ k! ?. ]2 ?7 }' U$ h
insulation. Is it permitted that this capacitor housing serves as double or reinforced5 C- J5 s( u9 r: b5 R. d
insulation to other circuit parts, such as a transformer core?
( `3 a. i* s4 a) l; Q& n6 ODecision:
% X! m& V* M h! eHousings of IEC 60384-14 subclass Y capacitors are considered to provide
" g8 _$ Q( q, v8 Finsulation levels as specified in IEC 60950-1 (e.g. Table 1D for 2nd ed.) with the
A8 l6 Q% S0 i$ kexception of the areas near to the leads.- b& I3 o4 n1 P2 m9 b& ]$ w
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