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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- R0 a7 `; Q/ y! B9 n
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12 Electric strength* x" @: B% A" G: ?3 d
Lamp controlgear shall have adequate electric strength.+ X" `6 m* j0 f. z* u7 v
Immediately after the measurement of the insulation resistance, the lamp controlgear shall7 `# ]: }9 @7 h: r. \# @( H
withstand an electric strength test for 1 min applied between the parts specified in clause 11.6 N8 B( ~3 }( b" p
The test voltage of substantially sine-wave form, having a frequency of 50 Hz or 60 Hz shall
, _) Y% V( r3 i& X A3 qcorrespond to the values in table 1. Initially, not more than half the specified voltage shall be
9 p3 y* [' K/ y0 `- Vapplied, the voltage then being raised rapidly to the prescribed value.
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: D5 J7 M; M. ^' r3 k# O+ t Table 1 – Electric strength test voltage+ F# L. u0 Z+ {1 Z
Working voltage U Test voltageV/ p% k1 c+ z8 _6 R( P
Up to and including 42 V 500
$ F# ~7 E$ l; q& U2 C' K$ J( iAbove 42 V up to and including 1 000 V 2 U + 1 0007 G" C; _" ]8 C2 r
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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 60065.8 L' Y! v$ h, i
) y; a, Z( B* b: |. x% Q+ ]8 t! s$ \No flashover or breakdown shall occur during the test.) C# F4 a$ w' Q7 _
The high-voltage transformer used for the test shall be so designed that when the output
* C- S0 U$ C* Iterminals are short-circuited after the output voltage has been adjusted to the appropriate test" L0 o2 v0 ? _4 \- K% h
voltage, the output current is at least 200 mA.) ~+ Y) Q9 ^( h7 f/ Q0 A6 q
The overcurrent relay shall not trip when the output current is less than 100 mA.0 U5 A# i: M! m8 X
The r.m.s. value of the test voltage applied shall be measured to within ±3 %." ]- k% R% D6 r
The metal foil referred to in clause 11 shall be placed so that no flashover occurs at the edges
9 }# r l* _% \3 H) M7 Q5 iof the insulation.5 W% L, p9 V% _* R; d! N4 V0 ^: ?
Glow discharges without drop in voltage are neglected. |
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