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“有可能的话，将IEC 61347关于打高压的那段贴上来瞧瞧。。”
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61347-1 IEC:2000
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* j( }; q/ C( n$ L; ^3 R12 Electric strength0 z1 y U s) S6 b4 R
Lamp controlgear shall have adequate electric strength.. k+ q% W$ T4 l/ V% @/ m
Immediately after the measurement of the insulation resistance, the lamp controlgear shall
: Q5 A3 M* X: Nwithstand an electric strength test for 1 min applied between the parts specified in clause 11.
& ?: d* A9 f# y' O4 e; v1 mThe test voltage of substantially sine-wave form, having a frequency of 50 Hz or 60 Hz shall
' r9 h+ F* j0 Scorrespond to the values in table 1. Initially, not more than half the specified voltage shall be, R) _9 u, V/ \/ a/ \: b, A L+ X
applied, the voltage then being raised rapidly to the prescribed value.
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0 i! W$ t% k- g4 { Table 1 – Electric strength test voltage! W# L6 s& Z$ h0 d: p9 D
Working voltage U Test voltageV
6 d4 f% x/ t- J3 cUp to and including 42 V 500
7 W. C9 {. M3 j/ AAbove 42 V up to and including 1 000 V 2 U + 1 000
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NOTE For convertors, the electric strength test between parts separated by reinforced insulation shall be in accordance with figure 9, curve B, of IEC 60065., @# K" ~% q; ]8 z3 V* O
2 s5 B* T; X4 q+ ]. _- |No flashover or breakdown shall occur during the test.8 b, p- O+ E2 V0 }! o3 _
The high-voltage transformer used for the test shall be so designed that when the output, }7 S7 ?: v& k/ @( w, }
terminals are short-circuited after the output voltage has been adjusted to the appropriate test
, Q5 C5 r, a5 \; r$ Mvoltage, the output current is at least 200 mA.5 @3 H$ q& ?9 L( `' {
The overcurrent relay shall not trip when the output current is less than 100 mA.. {$ l2 X* M0 y2 p( j
The r.m.s. value of the test voltage applied shall be measured to within ±3 %., H3 E2 \, p7 v! C: a+ b
The metal foil referred to in clause 11 shall be placed so that no flashover occurs at the edges: r: E' t- Q7 Q2 ^# [
of the insulation.
! Y* x. H; X+ U) q1 K6 H- u" p- |Glow discharges without drop in voltage are neglected. |
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