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发表于 2008-10-21 16:06
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IEC 61558-1:1997 + A1: 1998 Annex V:
3 G+ c: c; J4 ]/ O; R4 b$ LV. Introduction 6 }* r8 ]* s0 j4 s! p' \) p
The purpose of this annex is to give information to the equipment manufacturer and the end user on the way to proceed for resetting the transformer after operation of the thermal cut-out.
1 z/ E3 ?1 e1 [V.2 The symbols, when used ,are placed on the transformer.$ Y( j- o6 k- A% o/ v. i1 Y
: c9 ~: L& n- e1 ]% y$ eV. 2.1.3 Thermal link.* {5 x6 \8 `8 m3 `
) \3 z% n3 y2 a
一次性超音波焊外壳的线性变压器(内部有thermal-link)还需要标thermal link的符号吗?(就是有点象电流保险丝符号上面加 θ ) |
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