电气柜加热器功率计算公式
2021-08-17 14:03:47 来源:欣广鑫科技
!此表仅供设计选型参考使用,具体应用以实际使用工况为准 |
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电气柜加热功率选型计算v1.2 |
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使用说明:双线框内数据需要输入 |
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1. |
电气柜尺寸 ( 单位:米 ) |
(请在下面黄色双线框内输入) |
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2-4项 |
1. |
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只能有 |
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高 ( m ) |
1.2 |
宽 ( m ) |
0.7 |
深( m ) |
0.7 |
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一个数据 |
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2. |
选择电气柜放置型式 并将计算数值填写到I13到I25单元格双线框内 |
请将左面数据选填到Ⅰ列 |
2. |
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2.a |
a |
单个四周空敞 |
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A ( m ) |
3.71 |
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3.71 |
<-- |
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2.b |
b |
单个靠墙 |
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A ( m ) |
3.374 |
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<-- |
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2.c |
c |
排柜*前或*后单元,其余空敞 |
A ( m ) |
3.374 |
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<-- |
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2.d |
d |
排柜*前或*后单元,靠墙 |
A ( m ) |
3.038 |
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<-- |
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2.e |
e |
排柜中间单元,后面空敞 |
A ( m ) |
3.038 |
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<-- |
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2.f |
f |
排柜中间单元,靠墙 |
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A ( m ) |
2.702 |
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<-- |
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2.g |
g |
排柜中间单元,靠墙上面有覆盖物 |
A ( m ) |
2.359 |
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<-- |
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3. |
柜内柜外温度差 |
(请在下面蓝色双线框内输入) |
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3. |
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柜内Ti ( K ) |
35 |
柜外Ta ( K ) |
20 |
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温差△T = |
15 |
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4. |
选电气柜材质并将对应材质的散热系数数值填写到I33到I41双线框内 |
请将左面数据选填到Ⅰ列 |
4. |
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4.a |
漆面钢板 |
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5.5 |
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5.5 |
<-- |
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4.b |
不锈钢钢板 |
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4.5 |
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<-- |
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4.c |
铝板 |
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12 |
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<-- |
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4.d |
塑料 |
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3.5 |
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<-- |
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4.e |
木质 |
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2.5 |
to 3,5 |
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<-- |
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5 |
电气柜内元器件散热功率 |
(请在下面灰色双线框内输入) |
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变压器总容量(KVA) |
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20 |
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变频器总功率(KW) |
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10 |
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总发热量 |
0.99 |
KW |
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其它器件功率估算(KW) |
220V/50HZ |
3 |
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380V/50HZ |
5 |
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6 |
所需热交换能力计算 |
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Ex = |
A * ( m ) |
k * ( W/m k ) |
* T ( K ) |
Watt |
6 |
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所需热交换能力Ex( W/K ): |
46 |
3.71 |
5.5 |
15 |
*) |
<= |
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7 |
CM系列热交换器型号规格 |
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产品 |
规格型号 |
换热能力 |
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电气柜换热器 |
CM05EG |
5W/K |
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当计算换热能力大于50W/K时,气气热交换器已经不能满足柜内散热需求,请考虑选用电气柜空调制冷机。 |
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CM10EG |
10W/K |
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CM15EG |
15W/K |
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CM25EG |
25W/K |
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CM35EG |
35W/K |
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CM50EG |
50W/K |
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" |
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配合温度湿度控制器(0-60℃) |
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配合温度湿度控制器(0-60℃) |
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CM021K |
常闭型,双设定 |
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CM011K |
常闭型,单设定 |
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湿度控制器(35%-90%) |
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CM010K |
常开型,单设定 |
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CM031K |
控制加热器 |
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