|
1996/04 - Subclause 22.42 Athens, November 1996, CLC/TC 61(SEC)1098, u5 L* R5 p6 A9 c
CLC/TC 61(AT)2601 X1 l5 K, F4 V' `2 m4 n }
Concerning Y2 capacitors used as protective impedance, the following applies for bridging insulations:9 [2 x$ K, r2 P
a) Two Y2 capacitors (voltage proof 1 500 V,peak impulse 5 kV); combination Y2 (basic insulation) + Y2 (supplementary insulation)( Q/ H" T% H; [: `
Not accepted.
7 E9 P9 c3 Z4 ~9 E$ q {Acceptance for two Y2 capacitors with voltage proof 2 500 V only0 z: W$ n! D# p1 ]! v
b) Combination Y1 (basic insulation) + Y2(supplementary insulation)% p. V6 r8 ~& n
Accepted for Y2 capacitors with voltage proof 2 500 V only
# v4 G$ ^* \: yc) Combination Y2 (basic insulation) + Y1 (supplementary insulation)
. J, `0 _3 [% T( K/ m6 Z/ w0 }Accepted (idem b)! ]3 C3 n5 j, W$ ^) _) G- r" |) {
d) Combination of three Y2 capacitors in series Not accepted |
|