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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。。”( q" i+ ^! }; |4 z' ~
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61347-1 IEC:2000
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4 F$ g6 n2 R, ?( o; g3 G8 R) e12 Electric strength
3 C7 L; H" n) w: iLamp controlgear shall have adequate electric strength.: F. D2 s- m! ]! m ~$ I$ N
Immediately after the measurement of the insulation resistance, the lamp controlgear shall
6 X5 t* j) M4 y5 Jwithstand an electric strength test for 1 min applied between the parts specified in clause 11.9 A0 X* p; L; B( Y
The test voltage of substantially sine-wave form, having a frequency of 50 Hz or 60 Hz shall
( H1 b' O: s7 a8 K$ [4 \correspond to the values in table 1. Initially, not more than half the specified voltage shall be
. [& a$ s& G6 ?/ x- Q( O* Happlied, the voltage then being raised rapidly to the prescribed value.* q' q: N8 l! @
5 }) w* P2 Z' L; [1 T* P( U4 R5 b Table 1 – Electric strength test voltage# Q* G+ I3 j: i) I2 r4 q
Working voltage U Test voltageV* c A. Z0 X3 z
Up to and including 42 V 500
, C9 J: [* x& l: _* S- |/ KAbove 42 V up to and including 1 000 V 2 U + 1 000' P2 a$ d+ T* g
8 u6 G3 M! o/ J# {9 t5 VNOTE For convertors, the electric strength test between parts separated by reinforced insulation shall be in accordance with figure 9, curve B, of IEC 60065.; S4 A/ Y9 a+ S& g5 r
4 o8 i# Z; q( W6 e0 D, r$ oNo flashover or breakdown shall occur during the test.* g' @/ `, f W5 V, J& I5 J
The high-voltage transformer used for the test shall be so designed that when the output
- s' G+ t) N/ m( s6 I9 Y2 H7 ]8 W* Nterminals are short-circuited after the output voltage has been adjusted to the appropriate test& D1 @. H) \0 Y5 b/ S3 w
voltage, the output current is at least 200 mA.1 C6 L3 R7 \) G
The overcurrent relay shall not trip when the output current is less than 100 mA.( g& V( b/ m2 ~4 J' k* V
The r.m.s. value of the test voltage applied shall be measured to within ±3 %.9 E- k3 j/ o" K# n8 o) m
The metal foil referred to in clause 11 shall be placed so that no flashover occurs at the edges
' H( v4 Q8 ?/ k& l1 E7 }of the insulation.. s( M! _! q+ T6 m# o' m% {* L
Glow discharges without drop in voltage are neglected. |
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