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1996/04 - Subclause 22.42 Athens, November 1996, CLC/TC 61(SEC)1098 J* M) f7 m% f* B+ [9 Q$ K
CLC/TC 61(AT)260
' M& @: E+ P& E& H' H) QConcerning Y2 capacitors used as protective impedance, the following applies for bridging insulations:
, [+ @6 Q# @( [& ?a) Two Y2 capacitors (voltage proof 1 500 V,peak impulse 5 kV); combination Y2 (basic insulation) + Y2 (supplementary insulation)1 }! W1 J, `0 l/ A5 j& a! _( I) f
Not accepted.
, M& P* ~) w& j. T8 f5 C9 m! V4 nAcceptance for two Y2 capacitors with voltage proof 2 500 V only7 N0 |" ?6 a$ t2 h" v
b) Combination Y1 (basic insulation) + Y2(supplementary insulation)1 I0 p( T( ^; Z Q" N
Accepted for Y2 capacitors with voltage proof 2 500 V only
- i4 u8 w0 q: x9 W& x4 Lc) Combination Y2 (basic insulation) + Y1 (supplementary insulation)" I# k1 h8 `$ Z+ [
Accepted (idem b)7 R9 G& X1 M9 _
d) Combination of three Y2 capacitors in series Not accepted |
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