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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+ m# L8 l7 C0 m4 h
1 \# E5 Q( c1 Y" s1 u12 Electric strength
( \6 O" ` ?) S F b0 o( J( cLamp controlgear shall have adequate electric strength.
3 [# q' z$ r- `+ A5 |; S1 wImmediately after the measurement of the insulation resistance, the lamp controlgear shall! N5 N2 [7 ^4 U4 d; ]& m% ?( m: l$ L
withstand an electric strength test for 1 min applied between the parts specified in clause 11.7 T5 |8 F" E; f1 \( ~/ F
The test voltage of substantially sine-wave form, having a frequency of 50 Hz or 60 Hz shall* Y& {8 O$ A( K
correspond to the values in table 1. Initially, not more than half the specified voltage shall be
3 U& W8 R/ O- Q4 i" B) W9 @applied, the voltage then being raised rapidly to the prescribed value.
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9 Z8 m/ ^, ~1 f9 |& C: X Table 1 – Electric strength test voltage5 x" Q; L, b* Z! ~/ c7 @+ f' p
Working voltage U Test voltageV
) x O% l8 D9 o. M) S4 QUp to and including 42 V 500
# X/ G% F k- G& wAbove 42 V up to and including 1 000 V 2 U + 1 000- O0 P8 g- e. `* l0 I
5 r, z! P4 a' m) ^0 L+ rNOTE For convertors, the electric strength test between parts separated by reinforced insulation shall be in accordance with figure 9, curve B, of IEC 60065.
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( m' V1 P) `" j7 y4 |$ l( _, p. a, GNo flashover or breakdown shall occur during the test.& x5 V6 B. @. _# F
The high-voltage transformer used for the test shall be so designed that when the output
4 C; C( X" m( P) g" s4 gterminals are short-circuited after the output voltage has been adjusted to the appropriate test2 d! @; ?7 C- g0 F, T6 r
voltage, the output current is at least 200 mA.
# j- f. S( q: m. _3 ^& d4 A6 y. fThe overcurrent relay shall not trip when the output current is less than 100 mA.
. l& n" F$ s) B6 C+ N1 D& W7 q. t$ [The r.m.s. value of the test voltage applied shall be measured to within ±3 %.. w! w) q$ ?: d: f
The metal foil referred to in clause 11 shall be placed so that no flashover occurs at the edges
, v: E7 ~' @& J! R6 a4 d& Pof the insulation.; Y( k9 ?# d2 ?" a; N
Glow discharges without drop in voltage are neglected. |
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