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yuqijun 兄弟,+ g8 z8 ~# L$ V' o
c) The existence of a HAZARDOUS ENERGY LEVEL is determined as follows:
! D( W+ K8 ] c( u9 J; T, o1) with the equipment operating under normal operating conditions, a variable resistive
. V, H# T7 s r7 ~( j1 Fload is connected to the parts under consideration and adjusted to obtain a level of* G1 ~; e+ I) n ~$ `
240 VA. Further adjustment is made, if necessary, to maintain 240 VA for a period of
* K$ r8 g7 v5 l8 y60 s. If the voltage is 2 V or more, the output power is at a HAZARDOUS ENERGY LEVEL,
9 E$ k) H- O# [: q8 uunless an overcurrent protective device opens during the above test, or for any other8 t2 Q9 }! y; E. Q V# K
reason the power cannot be maintained at 240 VA for 60 s;2 e7 ]* f3 `% ~
从标准这样字眼:the parts under consideration and adjusted to obtain a level of
! E* x. |8 `& y240 VA来看,看你考量的是哪里,严格来说考量的应该是整个次级,而不只是输出。只不过是人们做熟了觉得没什么问题,就只做输出了而已。 |
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