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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。。”6 V/ I& e# R+ B) a& ~# W; H
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61347-1 IEC:2000
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12 Electric strength
4 X! o- z3 Q/ |7 A+ R1 G1 v1 Y& `4 LLamp controlgear shall have adequate electric strength.1 F$ X) }' X; i8 Y
Immediately after the measurement of the insulation resistance, the lamp controlgear shall
! _7 x, |) O) b2 d6 {+ O0 Xwithstand an electric strength test for 1 min applied between the parts specified in clause 11.0 u1 P# _4 g3 h, }) D7 L
The test voltage of substantially sine-wave form, having a frequency of 50 Hz or 60 Hz shall
' P1 ~! D7 H/ z0 L% U, Jcorrespond to the values in table 1. Initially, not more than half the specified voltage shall be
! l+ E) s7 s* dapplied, the voltage then being raised rapidly to the prescribed value.+ x- d6 G# ^, k; a7 r5 o: V* J6 M* Q- ?* S
4 o3 N1 X/ k$ m0 G# k- z Table 1 – Electric strength test voltage% l1 _4 g% c: _, v' w1 _2 ~
Working voltage U Test voltageV
4 c4 @7 t- U$ q9 CUp to and including 42 V 5004 c. }) i/ U# C* n$ x4 q* m
Above 42 V up to and including 1 000 V 2 U + 1 000
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- u; H- o- r, Q( J5 |* TNOTE 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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No flashover or breakdown shall occur during the test.2 E) V \' l9 ], X L4 w
The high-voltage transformer used for the test shall be so designed that when the output
% h# s( T# s" q$ E, q" Zterminals are short-circuited after the output voltage has been adjusted to the appropriate test
- x6 x, I+ {8 B' svoltage, the output current is at least 200 mA.
0 k# N0 B8 @/ J; \. {The overcurrent relay shall not trip when the output current is less than 100 mA.
V6 k3 g1 `! OThe r.m.s. value of the test voltage applied shall be measured to within ±3 %.6 J' D2 g7 {: \& s( T; L
The metal foil referred to in clause 11 shall be placed so that no flashover occurs at the edges
r2 a7 Z0 @5 r: hof the insulation.
1 O" w; t* T) @" b WGlow discharges without drop in voltage are neglected. |
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