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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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7 \! V7 b% Q# k3 Y: n- D1 B61347-1 IEC:2000
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; s1 e+ r$ x* l3 `12 Electric strength: z5 F/ {9 R% e4 F# o, Y
Lamp controlgear shall have adequate electric strength.
+ m+ N& J- f& a4 a3 _6 y" oImmediately after the measurement of the insulation resistance, the lamp controlgear shall% `8 X) T# p* E
withstand an electric strength test for 1 min applied between the parts specified in clause 11.
- D: g0 S3 P9 T$ VThe test voltage of substantially sine-wave form, having a frequency of 50 Hz or 60 Hz shall9 L( J1 |, R6 u
correspond to the values in table 1. Initially, not more than half the specified voltage shall be7 W/ N; T. r$ ?+ q( U; r4 q) P) A
applied, the voltage then being raised rapidly to the prescribed value.+ f- S$ a1 D8 A: h5 T' o* G. a
+ W5 s, @* a& @+ e3 l5 Z5 G- B Table 1 – Electric strength test voltage
1 i2 r* I3 i% M6 \; {( V2 H% o( Q1 _6 }Working voltage U Test voltageV
4 B5 K8 c, W( M, C$ I, o; cUp to and including 42 V 500* R3 }1 Z- x* U- @- Y1 u+ _
Above 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.- }" w8 L+ }, r: j8 I# \7 ~6 H( \2 \) j
2 K+ |3 D+ [2 g1 I) r" ?No flashover or breakdown shall occur during the test.; U, A9 E1 _" p# |3 j/ K) @
The high-voltage transformer used for the test shall be so designed that when the output5 g6 G; \+ q1 A0 h
terminals are short-circuited after the output voltage has been adjusted to the appropriate test
0 o- d2 ~2 t% X U' I+ W, Avoltage, the output current is at least 200 mA.% k' E1 A( L/ u, H' R
The overcurrent relay shall not trip when the output current is less than 100 mA.
% z# N3 A2 e7 [* z9 w/ JThe r.m.s. value of the test voltage applied shall be measured to within ±3 %.
, K/ `' a" K- oThe metal foil referred to in clause 11 shall be placed so that no flashover occurs at the edges/ m. m% Z6 k' `' B; K: g
of the insulation., I9 J% c* h" N1 I# m& Q+ W; G
Glow discharges without drop in voltage are neglected. |
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