一台西门子mm430200KW的风机水泵型变频器在运行状态下有散热量,我把它放在800mm*800mm*2000mm的电气柜里面需要配瓦的机柜空调答:一般变频器的发热量按照其功率的1%来计算。
但是如果选用机柜空调时,不仅仅只考虑变频器的发热量,还要考虑箱体的内外温差,环境温度,控制箱的箱体传热量等,如果环境温度比较高,好要考虑箱体保温(以免制冷后,内外温差大结露)。给你一个计算公式,
Qr=5.5xAx△T△T:控制箱内外温差(℃)A:控制箱表面积(m2)
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