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1996/04 - Subclause 22.42 Athens, November 1996, CLC/TC 61(SEC)1098
6 v: a$ Z1 q: J5 G1 gCLC/TC 61(AT)260% F9 x; X5 R# }/ {$ G4 i( c
Concerning Y2 capacitors used as protective impedance, the following applies for bridging insulations:+ g) E, z9 s, z$ b7 @0 H
a) Two Y2 capacitors (voltage proof 1 500 V,peak impulse 5 kV); combination Y2 (basic insulation) + Y2 (supplementary insulation)7 E* R" P2 X7 p5 M. X7 x; f
Not accepted. ; J4 u' }% Y* a: a* ?
Acceptance for two Y2 capacitors with voltage proof 2 500 V only
8 c Y7 M+ R% \! ub) Combination Y1 (basic insulation) + Y2(supplementary insulation)6 U2 O# G8 j( o, {
Accepted for Y2 capacitors with voltage proof 2 500 V only6 P: m$ d. p" n7 w/ I9 h) a( a
c) Combination Y2 (basic insulation) + Y1 (supplementary insulation)
" N; q0 K) ?+ i: E- l/ M) |1 ^9 F( MAccepted (idem b)2 o8 M' w+ ^7 G! n$ Y$ f' @
d) Combination of three Y2 capacitors in series Not accepted |
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