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楼主 |
发表于 2010-9-14 16:56
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I'm sorry that It may require a long time to complete the issues, but I will try and not give up.8 Y" G3 I& V/ b% ^
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To save time, I will use attachment with drawings/circuit and necessary explanation.! ?4 j1 x* c: w* |9 a9 }4 S
; ?2 R6 A% M& l. \/ f7 M% xwe can discuss if you have different opinion.- D, A8 a8 @2 Z" @% r) ^5 m
" A; N( L3 z2 L1 B* @actually for the case in attached file, one lab will consider the reinforced insulation(double insulation) shall be achieved for individual resistor in Protective circuit.
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' C: n) P, `% s! [but personally I would think them as a whole not separated as only one resistor will not be protective impedance. |
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