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The values of the temperature rise in Table 3 of IEC 60065, second and third column, are
( g& |9 t0 \, Z5 Ebased on a maximum ambient temperature of 35 °C. Because the test will be made with the
5 L3 q$ ~: w p6 R. E( J. z& P; U ocase temperature at tC, the relevant ambient temperature shall be measured and the values in
2 @. L5 y0 @* s0 DTable 3 changed respectively. If these temperature rises are higher than those allowed by the
2 N& y- [6 ?2 l- }class of the relevant insulating material, the nature of the material is the governing factor. The5 A) E( B- |5 t& D* y( j" X
permissible temperature rises are based on the recommendations in IEC 60085. The
9 Y' q& b* ?( Vmaterials quoted in Table 3 of IEC 60065 are shown only as examples. If materials other than
' ^, ?! r* ~% m5 o* H. i9 [those listed in IEC 60085 are used, the maximum temperatures shall not exceed those which
" [( q8 b. R" i0 bhave proved to be satisfactory.. @5 o( k$ G- H. p1 t+ l* w# P
7 l; J3 A- D/ d; O" n/ X
: D, u' u1 x3 g
下面这段话说 温升是要在Tc 下,如果驱动在整个灯具中做随机,Tc 怎么确定,看哪里的 ,
5 V, i/ ]6 a u: S5 S& F2 }9 z% E3 K/ K) A! p3 q
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