三相变压器名牌高低压电流计算
变压器额定电流计算方法,知道三相容量电压计算电流，额定容量KVA/额定电压KV/1.732=额定电流A,举例100KVA变压器，高压10KV,电压0.4KV,高压电流计算=100/10/1.732=5.77(约分到小数点2位），低压电流计算=100/0.4/1.732=144.3（低压小数点后保留一位数），以下列表1为高压10KV,低压0.4KV表格。
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三相变压器型号计算高低压电流A |
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|
容量KVA |
高压电压： KV |
高压电流: A |
低压电压：KV |
低压电流: A |
|
10 |
10 |
0.58 |
0.4 |
14.4 |
|
20 |
10 |
1.15 |
0.4 |
28.9 |
|
30 |
10 |
1.73 |
0.4 |
43.3 |
|
50 |
10 |
2.89 |
0.4 |
72.2 |
|
63 |
10 |
3.64 |
0.4 |
90.9 |
|
80 |
10 |
4.62 |
0.4 |
115.5 |
|
100 |
10 |
5.77 |
0.4 |
144.3 |
|
125 |
10 |
7.22 |
0.4 |
180.4 |
|
160 |
10 |
9.24 |
0.4 |
230.9 |
|
200 |
10 |
11.55 |
0.4 |
288.7 |
|
250 |
10 |
14.43 |
0.4 |
360.9 |
|
315 |
10 |
18.19 |
0.4 |
454.7 |
|
400 |
10 |
23.09 |
0.4 |
577.4 |
|
500 |
10 |
28.87 |
0.4 |
721.7 |
|
630 |
10 |
36.37 |
0.4 |
909.4 |
|
800 |
10 |
46.19 |
0.4 |
1154.7 |
|
1000 |
10 |
57.74 |
0.4 |
1443.4 |
|
1250 |
10 |
72.17 |
0.4 |
1804.3 |
|
1600 |
10 |
92.38 |
0.4 |
2309.5 |
|
2000 |
10 |
115.47 |
0.4 |
2886.8 |
|
2500 |
10 |
144.34 |
0.4 |
3608.5 |
表2为高压20KV,低压0.4KV表格。
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三相变压器型号计算高低压电流A |
||||
|
容量KVA |
高压电压： KV |
高压电流: A |
低压电压：KV |
低压电流: A |
|
10 |
20 |
0.29 |
0.4 |
14.4 |
|
20 |
20 |
0.58 |
0.4 |
28.9 |
|
30 |
20 |
0.87 |
0.4 |
43.3 |
|
50 |
20 |
1.44 |
0.4 |
72.2 |
|
63 |
20 |
1.82 |
0.4 |
90.9 |
|
80 |
20 |
2.31 |
0.4 |
115.5 |
|
100 |
20 |
2.89 |
0.4 |
144.3 |
|
125 |
20 |
3.61 |
0.4 |
180.4 |
|
160 |
20 |
4.62 |
0.4 |
230.9 |
|
200 |
20 |
5.77 |
0.4 |
288.7 |
|
250 |
20 |
7.22 |
0.4 |
360.9 |
|
315 |
20 |
9.09 |
0.4 |
454.7 |
|
400 |
20 |
11.55 |
0.4 |
577.4 |
|
500 |
20 |
14.43 |
0.4 |
721.7 |
|
630 |
20 |
18.19 |
0.4 |
909.4 |
|
800 |
20 |
23.09 |
0.4 |
1154.7 |
|
1000 |
20 |
28.87 |
0.4 |
1443.4 |
|
1250 |
20 |
36.09 |
0.4 |
1804.3 |
|
1600 |
20 |
46.19 |
0.4 |
2309.5 |
|
2000 |
20 |
57.74 |
0.4 |
2886.8 |
|
2500 |
20 |
72.17 |
0.4 |
3608.5 |
表3为高压35KV,低压0.4KV表格。
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三相变压器型号计算高低压电流A |
||||
|
容量KVA |
高压电压： KV |
高压电流: A |
低压电压：KV |
低压电流: A |
|
10 |
35 |
0.16 |
0.4 |
14.4 |
|
20 |
35 |
0.33 |
0.4 |
28.9 |
|
30 |
35 |
0.49 |
0.4 |
43.3 |
|
50 |
35 |
0.82 |
0.4 |
72.2 |
|
63 |
35 |
1.04 |
0.4 |
90.9 |
|
80 |
35 |
1.32 |
0.4 |
115.5 |
|
100 |
35 |
1.65 |
0.4 |
144.3 |
|
125 |
35 |
2.06 |
0.4 |
180.4 |
|
160 |
35 |
2.64 |
0.4 |
230.9 |
|
200 |
35 |
3.30 |
0.4 |
288.7 |
|
250 |
35 |
4.12 |
0.4 |
360.9 |
|
315 |
35 |
5.20 |
0.4 |
454.7 |
|
400 |
35 |
6.60 |
0.4 |
577.4 |
|
500 |
35 |
8.25 |
0.4 |
721.7 |
|
630 |
35 |
10.39 |
0.4 |
909.4 |
|
800 |
35 |
13.20 |
0.4 |
1154.7 |
|
1000 |
35 |
16.50 |
0.4 |
1443.4 |
|
1250 |
35 |
20.62 |
0.4 |
1804.3 |
|
1600 |
35 |
26.39 |
0.4 |
2309.5 |
|
2000 |
35 |
32.99 |
0.4 |
2886.8 |
|
2500 |
35 |
41.24 |
0.4 |
3608.5 |
表4为高压6.3KV,低压0.4KV表格。
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三相变压器型号计算高低压电流A |
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|
容量KVA |
高压电压： KV |
高压电流: A |
低压电压：KV |
低压电流: A |
|
10 |
6.3 |
0.92 |
0.4 |
14.4 |
|
20 |
6.3 |
1.83 |
0.4 |
28.9 |
|
30 |
6.3 |
2.75 |
0.4 |
43.3 |
|
50 |
6.3 |
4.58 |
0.4 |
72.2 |
|
63 |
6.3 |
5.77 |
0.4 |
90.9 |
|
80 |
6.3 |
7.33 |
0.4 |
115.5 |
|
100 |
6.3 |
9.16 |
0.4 |
144.3 |
|
125 |
6.3 |
11.46 |
0.4 |
180.4 |
|
160 |
6.3 |
14.66 |
0.4 |
230.9 |
|
200 |
6.3 |
18.33 |
0.4 |
288.7 |
|
250 |
6.3 |
22.91 |
0.4 |
360.9 |
|
315 |
6.3 |
28.87 |
0.4 |
454.7 |
|
400 |
6.3 |
36.66 |
0.4 |
577.4 |
|
500 |
6.3 |
45.82 |
0.4 |
721.7 |
|
630 |
6.3 |
57.74 |
0.4 |
909.4 |
|
800 |
6.3 |
73.32 |
0.4 |
1154.7 |
|
1000 |
6.3 |
91.65 |
0.4 |
1443.4 |
|
1250 |
6.3 |
114.56 |
0.4 |
1804.3 |
|
1600 |
6.3 |
146.63 |
0.4 |
2309.5 |
|
2000 |
6.3 |
183.29 |
0.4 |
2886.8 |
|
2500 |
6.3 |
229.11 |
0.4 |
3608.5 |
列了几个表格以此类推可以计算。