ZHCUCP4 December 2024
增益、相位和偏移校准后,测试结果如下表所示。表 3-2 和图 3-13 显示了有功电能测试结果。
| 电流 (A) | 平均误差 % PF = 1 Cos PHI = 1 (0°) |
平均误差 % PF = 0.5i Cos PHI = 0.5i (60°) |
平均误差 % PF = 0.8c Cos PHI = 0.8c (-36.87°) |
|---|---|---|---|
| 0.1 | -0.3943 | -0.5190 | -0.3493 |
| 0.25 | -0.3770 | -0.5150 | -0.3113 |
| 0.5 | -0.3707 | -0.5147 | -0.2917 |
| 1 | -0.3437 | -0.4487 | -0.2627 |
| 2 | -0.2897 | -0.3633 | -0.2510 |
| 5 | -0.2527 | -0.1237 | -0.1720 |
| 10 | -0.1090 | 0.0700 | -0.0063 |
| 15 | 0.3040 | 0.3717 | 0.2200 |
| 电流 (A) |
平均误差 % Sin PHI = 1i (90°) |
平均误差 % Sin PHI = 0.5i (30°) |
平均误差 % Sin PHI = 0.8c (-53.13°) |
|---|---|---|---|
| 0.1 | -0.1147 | 0.2880 | -0.7110 |
| 0.25 | -0.3323 | -0.1407 | -0.4090 |
| 0.5 | -0.3070 | -0.1383 | -0.3867 |
| 1 | -0.2980 | -0.1457 | -0.3527 |
| 2 | -0.2603 | -0.1917 | -0.2880 |
| 5 | -0.0947 | -0.2067 | -0.1530 |
| 10 | 0.1030 | -0.0213 | 0.0220 |
| 15 | 0.3437 | 0.3747 | 0.2523 |