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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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1 Y" r( J7 C9 u+ K1 e" g$ }12 Electric strength
. _' S7 V- }7 ]1 sLamp controlgear shall have adequate electric strength.
' M) U8 M' E' \8 }6 N) [- Q1 P o1 rImmediately after the measurement of the insulation resistance, the lamp controlgear shall) j& C0 p e$ V/ y, j! D
withstand an electric strength test for 1 min applied between the parts specified in clause 11.
0 t: _; u8 ^: K9 Q' Q& B& [* iThe test voltage of substantially sine-wave form, having a frequency of 50 Hz or 60 Hz shall* ?. H+ x5 r7 _/ G8 l! N
correspond to the values in table 1. Initially, not more than half the specified voltage shall be
) c" }7 F" T4 ^4 \- C5 z+ \ d+ g; eapplied, the voltage then being raised rapidly to the prescribed value.
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) m% G g+ Y i `/ q Table 1 – Electric strength test voltage. Z. S, a, |$ e1 Y8 r0 R
Working voltage U Test voltageV8 K/ ~8 l& u) `/ L2 x3 \
Up to and including 42 V 500 K5 Z* Y- \ X3 o1 t$ e( R" X
Above 42 V up to and including 1 000 V 2 U + 1 000
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& g. o" ?7 K* s! @' I+ N% ONOTE For convertors, the electric strength test between parts separated by reinforced insulation shall be in accordance with figure 9, curve B, of IEC 60065.1 o' G5 m; g4 o6 @% `/ R8 \
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No flashover or breakdown shall occur during the test.
. L- Y+ s5 X$ [6 E6 D+ zThe high-voltage transformer used for the test shall be so designed that when the output
% E+ g% c1 _$ i- @2 t+ Mterminals are short-circuited after the output voltage has been adjusted to the appropriate test
, i6 ]3 u( G! K I7 Cvoltage, the output current is at least 200 mA.& n, a0 W3 b6 j/ }
The overcurrent relay shall not trip when the output current is less than 100 mA.
1 y1 y% W8 H. h/ f6 X( kThe r.m.s. value of the test voltage applied shall be measured to within ±3 %.
, V0 S0 s. ~) L/ `The metal foil referred to in clause 11 shall be placed so that no flashover occurs at the edges8 M# S; ]$ b$ ^; {
of the insulation.
p; z+ O* N$ j9 ~6 i, x ]3 N3 B5 p, DGlow discharges without drop in voltage are neglected. |
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