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yuqijun 兄弟,
' e' j8 S' ~" Q, w& d' ^c) The existence of a HAZARDOUS ENERGY LEVEL is determined as follows:' e3 u$ t# h1 Q# k# q! K
1) with the equipment operating under normal operating conditions, a variable resistive
, M. W8 o f- x1 oload is connected to the parts under consideration and adjusted to obtain a level of
7 y- s$ }6 Q& c8 ~, ]240 VA. Further adjustment is made, if necessary, to maintain 240 VA for a period of
1 B" @: e- _' g( q. N1 V% Z$ p60 s. If the voltage is 2 V or more, the output power is at a HAZARDOUS ENERGY LEVEL,
! t4 Q2 e% U$ X& |, Xunless an overcurrent protective device opens during the above test, or for any other9 ]% B5 [. E# d& D
reason the power cannot be maintained at 240 VA for 60 s;7 M( k6 S3 w }9 ]/ n( A3 k
从标准这样字眼:the parts under consideration and adjusted to obtain a level of
8 N, a+ C6 s& J( S# J240 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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