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我英语比较一般,关于IEC60335-2-2 3.19节的全开全闭功率有点无法理解啊,
, X" l/ u% o. kPf is the power input in watts, after 3 min of operation with the air inlet unobstructed. Any
' t$ i8 K6 Z0 d; ~( H7 P! Mdevice that ensures a flow of air to cool the motor in the event of a blockage of the main
" h) ]$ d5 e2 a+ Yair inlet is allowed to operate;
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Pi is the power input in watts, after a further 20 s of operation with the air inlet blocked. Any
4 b' c2 |. \& k8 z3 t( i1 ]device that is adjustable without the aid of a tool, and which ensures a flow of air to cool7 [8 a* z. |( `" Q8 U& l6 W9 e$ N# u
the motor in the event of a blockage of a main air inlet, is rendered inoperative./ H' N& x" [4 `5 C
关于里面提供冷却风的装置是否允许打开,Pf时说吸口闭合时该装置允许打开,Pi时说吸口闭合时不允许打开。
" K2 `/ R& \" I/ S, S Z疑问1:测风口全开时的功率为什么还有吸口闭合的状态?
( H _0 y! v- F; `) u疑问2:Pf和Pi时提到的这两个冷却装置是否是同一个?
7 Q ^' Q, L. C看GB4706.7时更加不知所云啊 |
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