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ˮ©װôװ ˮ©ʲôԭɵ

2018/3/4 11:20:50      

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(1) ©άڵԴԵֱӽӵػ򾭹 翹ӵصĵѹϵ ڵԴԵ㲻ӵصϵ˲©ά Ϊ߲ܹй©·㷢˽ӵë˴ڻ©άĶ⶯άҲܼʱ½صԴ·;ëȥй©·ٽ©ά½صԴ· Բȫ бҪнӵװõ豸©ʱ©ﶯʱ0.1 ڵբ½˵Դ·

(2) ©άά·ҵN Ҫ Ȼڽͨͻһƽʹ©ά
(3) ά(PE)  Ϊά·(PE) ʱ©PE άֻشµϼⲻ©ֵ ڳëʱγ©ά𲻵άЧ



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1.Ϊϸˮǰȫ
ŵˮйг鼰ˮְҵõ簲ȫȫҲΪϿ˵ΪˮIJƷϸϴԡҲû˺֮һЩϸˮĴ¶ʣϸĵˮȫ?ʲôԭЩ¶˵ķ? רҽҹˮĹ淶ǵͬŷ޵ IEC(ʵ繤ίԱ)淶淶Ҫû еĽ бҪõǹΪǰʷԭཨӵϵõȱٵ߲֪û㾭IECϸˮҲȷȫϴԡ

2.Ϊ©άȫάϴԡȫ
ҪҪ˽һ©άҵԭԴеǰ߾©άˮˮҵ״̬һڲijһķ©©άͿ0.1ʱڶ½صԴˮڲˮĵԴлһɲ©άĵϵҲΪȷõ簲ȫõӵزɿ װ ʱǰ߽ӷ·ϻ״Ϊ߲©άʱпܾˮڲ¶Ȼɱ

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