Energy Hazard

戏尘

广东安规检测
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2.    Energy Hazard如超出240VA是否判定Fail ?

Alexsong

超过240VA要判定Fail.

junpi

能量超过240VA并且持续60s以上，如果该能量部件是运行时可触级的，那么肯定判定Fail，如果是人不可触级的，那么不能判定为Fail

戏尘

楼主junpi说得对~~~~

41295384

楼主junpi说得对

秋飘风叶

如果时间不超过60S,或者在调节过程中过流保护装置动作,则可以不认为有Energy Hazard;

具体可以看2.1.1.5

joyhou

无保险丝，需要小于100VA，有保险是需要<240VA
5 l8 q1 S+ ~) `& a以上是在过流保护或者保险丝任一不起作用的前提下。

frankie609

不是以最高电压为准吗？

liuxiaodong

1) with the equipment operating under normal operating conditions, a variable resistive load is connected to the parts under consideration and adjusted to obtain a level of 240 VA. Further adjustment is made, if necessary, to maintain 240 VA for a period of 60 s. If the voltage is 2 V or more, the output power is at a HAZARDOUS ENERGY LEVEL,unless an overcurrent protective device opens during the above test, or for any other reason the power cannot be maintained at 240 VA for 60 s;
2) the stored energy in a capacitor is at a HAZARDOUS ENERGY LEVEL if the voltage, U, is 2 V
or more, and the stored energy, E, calculated from the following equation, exceeds 20 J
  H" p* I1 C4 A  P: i如60950，先判定是否属于HAZARDOUS ENERGY LEVEL，然后再判定可接触性

/ p9 l$ z( w9 u' y) M2 k8 }1 N% ?, Va) A risk of injury due to an energy hazard exists if it is likely that two or more bare parts
9 c( M% N% C( C: A+ @' z(one of which may be earthed) between which a HAZARDOUS ENERGY LEVEL exists, will be
! A0 h8 C9 ~! A9 Gbridged by a metallic object.
b) The likelihood of bridging the parts under consideration is determined by means of the test
) f' N8 U( t$ l6 ]3 t% U4 ufinger, figure 2A (see 2.1.1.1), in a straight position. It shall not be possible to bridge the
parts with this test finger, applied without appreciable force.
( }+ d; X$ W) o你所说的只是一种情况，没有保护装置或其他原因导致提前当机， ENERGY LEVEL超过240VA，
持续时间达到60s，电压大于2v,才能称作HAZARDOUS ENERGY LEVEL
2 h- z3 ^" S2 s/ I5 T' E8 e4 \: L& D$ k然后根据（a）（b）判断可接触性，才能说Energy hazards是fail or pass