关于1598标准的理解
各位大神,大家是怎么理解UL1598这18.16段话的?(我用红色标识了)
18.1 Dielectric voltage-withstand
18.1.1 The dielectric voltage-withstand test apparatus shall be in accordance with Clause 19.20.
18.1.2 A luminaire shall withstand for a period of 1 minute, without breakdown, a test potential applied
between live parts and accessible non-current-carrying metal parts, including parts accessible only during
relamping.
18.1.3 The test potential shall be 1000 V AC for incandescent-type luminaires and 1000 V AC plus twice
the rated input voltage for all other types of luminaire. The test may be conducted using a DC potential at
1.414 times the AC potential denoted above.
18.1.4 The applied potential shall be gradually increased from zero at a uniform rate until the required
test value is reached or breakdown occurs. During the test, any switches or other controls shall be in the
ON position.
18.1.5 The test shall be performed on a fully assembled luminaire. Non-current-carrying parts or
decorative parts not likely to become energized shall not be required to be in place.
18.1.6 Solid state components that are not relied upon to reduce the risk of electric shock and that can
be damaged by the applied dielectric potential may be disconnected for the test. The circuitry may be
rearranged for the purpose of the test to reduce the likelihood of solid state component damage while
retaining the representative dielectric stress on the circuit.
不用于降低触电风险和有可能被试验电压击穿的components允许在实验中断开连接。为了达到试验的目的,可重新布置电路,以降低固态部件损坏的可能性,同时保持电路上原有的介电特性。 Lt-maker 发表于 2021-12-3 16:20
不用于降低触电风险和有可能被试验电压击穿的components允许在实验中断开连接。为了达到试验的目的,可重新 ...
哥们,你这个还是很官方解读,可以通俗易懂一点不?或者举一个例子更好:lol 比如:耐压测试前,可以先把灯具上LED 灯板上的输入线(也就是LVLE/CLASS 2电源的输出线)断开,然后进行LN/E的耐压测试。
注:阻容降压、线性方案以及其它非隔离电源是不可以断开的。 耐压容易伤及到元件,但是又不依赖他来降低防触电的,比如很多信号处理IC,他可能打耐压会打坏,但是他对降低触电风险没有任何意义,那么,打耐压前可以把他断开来测试。 多谢详细解说,明白了,谢谢! 正好需要,学习了 学习了,学习了
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