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程序殴/span> |
电弧电流 mA |
电弧通断时间s |
各程序段持续时间s |
试验总时间s |
|
IEC 61621 |
ASTM D495 |
||||
1 |
10 |
1/8s 7/8s?/span> |
1/4s 7/4s?/span> |
60 |
60 |
2 |
10 |
1/4s 3/4s?/span> |
1/4s 3/4s?/span> |
60 |
120 |
3 |
10 |
1/4s 1/4s?/span> |
1/4s 1/4s?/span> |
60 |
180 |
4 |
10 |
连续這/span> |
60 |
240 |
|
5 |
20 |
连续這/span> |
60 |
300 |
|
6 |
30 |
连续這/span> |
60 |
360 |
|
7 |
40 |
连续這/span> |
60 |
420 |
3.试验变压器采用干式变压器,具有绝缘性能好、性能稳定,损耗低,无污染,免维护等点。升压装置采用,步进电机控制调压器进行自动升压、/p>
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