本计算器的目的旨在帮助工厂工程师或电气人员通过应用PGR-8800弧闪继电器初步计算入射能量的削减值。有资格的工作人员在计算中应收集所有铭牌数据。下文中的计算以IEEE 1584标准计算方法为依据,介绍3相系统的典型情况,并仅用于说明和解释目的。实际值可能有所不同。
说明
请仅在绿色阴影框内填入数值。灰色阴影框内的数值将自动计算。
- 选择您的设备电压
- 选择您的设备等级
- 指出您是否知道您的电路断路器(CB)切除时间数
- 指出您的电路断路器(CB)合计切除时间数
- 输入您的可用栓接故障电流
- 输入您的瞬时入射能量
记录新的入射能量(NIE)数值——这是您通过在您的系统中应用PGR-8800得到的入射能量。
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65 | 5.4 | 5.4 | 3.1 | 3.1 | 3.0 | - |
55 | 4.6 | 4.6 | 2.7 | 2.7 | 2.5 | - |
45 | 3.8 | 3.8 | 2.2 | 2.2 | 2. | - |
35 | 2.9 | 2.9 | 1.7 | 1.7 | 1.5 | 8.1 |
30 | - | - | - | - | - | 7.0 |
25 | 2.1 | 2.1 | 1.2 | 1.2 | 1.1 | 5.8 |
20 | - | - | - | - | - | 4.6 |
15 | 1.2 | 1.2 | 0.8 | 0.8 | 0.6 | 3.5 |
10 | 0.8 | 0.8 | 0.5 | 0.5 | 0.4 | 2.3 |
7.5 | 0.6 | 0.6 | 0.4 | 0.4 | 0.3 | 1.8 |
5 | - | - | - | - | - | 1.2 |
65 | 10.8 | 10.8 | 6.2 | 6.2 | 6.0 | - |
55 | 9.2 | 9.2 | 5.3 | 5.3 | 5.0 | - |
45 | 7.5 | 7.5 | 4.4 | 4.4 | 4.0 | - |
35 | 5.8 | 5.8 | 3.4 | 3.4 | 3.1 | 16.2 |
30 | - | - | - | - | - | 13.9 |
25 | 4.2 | 4.2 | 2.4 | 2.4 | 2.2 | 11.6 |
20 | - | - | - | - | - | 0.3 |
15 | 2.5 | 2.5 | 1.4 | 1.4 | 1.3 | 7.0 |
10 | 1.7 | 1.7 | 1.0 | 1.0 | 0.8 | 4.7 |
7.5 | 1.3 | 1.3 | 0.8 | 0.8 | 0.6 | 3.5 |
5 | - | - | - | - | - | 2.3 |
65 | 16.2 | 16.2 | 9.3 | 9.3 | 8.9 | - |
55 | 13.7 | 13.7 | 8.0 | 8.0 | 7.4 | - |
45 | 11.3 | 11.3 | 6.5 | 6.5 | 6.0 | - |
35 | 8.7 | 8.7 | 5.1 | 5.1 | 4.6 | 24.3 |
30 | - | - | - | - | - | 20.9 |
25 | 6.2 | 6.2 | 3.7 | 3.7 | 3.2 | 17.4 |
20 | - | - | - | - | - | 13.9 |
15 | 3.8 | 3.8 | 2.3 | 2.3 | 1.9 | 10.4 |
10 | 2.5 | 2.5 | 1.5 | 1.5 | 1.2 | 7.0 |
7.5 | 1.9 | 1.9 | 1.1 | 1.1 | 0.9 | 5.3 |
5 | - | - | - | - | - | 3.5 |
65 | 62.2 | 41.1 | 12.4 |
55 | 52.9 | 34.9 | 10.6 |
45 | 43.5 | 28.7 | 8.7 |
35 | 34.1 | 22.5 | 6.8 |
25 | 24.6 | 16.2 | 4.9 |
15 | 14.9 | 9.9 | 3.0 |
10 | 10.1 | 6.6 | 2.0 |
7.5 | 7.6 | 5.0 | 1.5 |
65 | 107.9 | 71.2 | 21.6 |
55 | 91.3 | 60.3 | 18.3 |
45 | 74.8 | 49.4 | 15.0 |
35 | 58.2 | 38.4 | 11.6 |
25 | 41.7 | 27.5 | 8.3 |
15 | 25.0 | 16.5 | 5.0 |
10 | 16.7 | 11.0 | 3.3 |
7.5 | 12.6 | 8.3 | 2.5 |
65 | 59.3 | 39.1 | 11.9 |
55 | 49.6 | 32.8 | 9.9 |
45 | 10.1 | 26.5 | 8.0 |
35 | 30.7 | 20.3 | 6.1 |
25 | 21.5 | 14.2 | 4.3 |
15 | 12.5 | 8.2 | 2.5 |
10 | 8.1 | 5.4 | 1.6 |
7.5 | 6.0 | 3.9 | 1.2 |
35 | 162.2 | 107.0 | 32.4 |
30 | 139.0 | 91.7 | 27.8 |
25 | 115.8 | 76.5 | 23.2 |
20 | 92.7 | 61.2 | 18.5 |
15 | 69.5 | 45.9 | 13.9 |
10 | 46.3 | 30.6 | 9.3 |
7.5 | 34.8 | 22.9 | 7.0 |
5 | 23.2 | 15.3 | 4.6 |