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1996/04 - Subclause 22.42 Athens, November 1996, CLC/TC 61(SEC)1098' L! ~( M( c6 g3 m
CLC/TC 61(AT)260( B. w. F. z! f3 Z% {. Q$ D
Concerning Y2 capacitors used as protective impedance, the following applies for bridging insulations:
# z+ c. {6 G+ Z% {/ ]4 Za) Two Y2 capacitors (voltage proof 1 500 V,peak impulse 5 kV); combination Y2 (basic insulation) + Y2 (supplementary insulation)
6 a4 J c2 S- h9 S2 oNot accepted.
/ N1 V$ b% b) J/ yAcceptance for two Y2 capacitors with voltage proof 2 500 V only
# {' {* v* Q4 z* nb) Combination Y1 (basic insulation) + Y2(supplementary insulation)
* l" z' W2 X% r& G( {, I3 GAccepted for Y2 capacitors with voltage proof 2 500 V only' L E" A* P8 |9 M- C) u0 f' @
c) Combination Y2 (basic insulation) + Y1 (supplementary insulation)/ x# t9 G: H/ |& _8 N, _5 V
Accepted (idem b)
) \* n. w( {# qd) Combination of three Y2 capacitors in series Not accepted |
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