ZHCUCF1 October 2024
对于以下测试结果,对电表应用了增益、相位和偏移校准。在更高的电流下,所示的百分比误差主要由分流电阻漂移决定,这种漂移是由于高电流产生的热量增加引起的。
电流 (A) | 平均误差百分比 PF = 1,cos Phi = 0° | 限值 (%) [0.5 级] IEC 62053-22 (PF = 1) |
平均误差百分比 PF = 0.5i,cos cos PHI = 60° | 限值 (%) [0.5 级] IEC 62053-22 (PF 0.5i/0.8c) |
平均误差百分比 PF = 1,cos Phi = -36.87° |
---|---|---|---|---|---|
0.10 | 0.322 | 1.0 | 0.571 | 1.0 | 0.563 |
0.50 | 0.105 | 1.0 | -0.017 | 1.0 | 0.227 |
0.75 | 0.089 | 1.0 | -0.073 | 1.0 | 0.212 |
1.5 | 0.058 | 0.5 | -0.101 | 0.6 | 0.165 |
3 | 0.063 | 0.5 | -0.123 | 0.6 | 0.150 |
7.5 | 0.053 | 0.5 | -0.156 | 0.6 | 0.144 |
15 | 0.041 | 0.5 | -0.161 | 0.6 | 0.124 |
30 | 0.005 | 0.5 | -0.187 | 0.6 | 0.110 |
60 | -0.002 | 0.5 | -0.265 | 0.6 | 0.077 |
75 | -0.061 | 0.5 | -0.304 | 0.6 | 0.008 |
100 | -0.181 | 0.5 | -0.502 | 0.6 | -0.129 |
电流 (A) | 平均误差百分比 sin PHI = 1i (90°) | 限值 (%) [0.5 级] IEC 62053-22(sin PHI = 1,90°) |
平均误差百分比 sin PHI = 0.5i (30°) | 限值 (%) [0.5 级] IEC 62053-22(sin PHI = 0.5i/0.8c,30°/-53.13°) |
平均误差百分比 sin PHI = 0.8c (-53.13°) |
---|---|---|---|---|---|
0.10 | 0.186 | 0.623 | -0.374 | ||
0.50 | 0.088 | 2.0 | 0.322 | -0.177 | |
0.75 | 0.074 | 2.0 | 0.314 | -0.148 | |
1.5 | 0.051 | 1.0 | 0.258 | 2.0 | -0.116 |
3 | 0.046 | 1.0 | 0.252 | 1.0 | -0.102 |
7.5 | 0.043 | 1.0 | 0.255 | 1.0 | -0.092 |
15 | 0.037 | 1.0 | 0.2 | 1.0 | -0.095 |
30 | 0.037 | 1.0 | 0.230 | 1.0 | -0.095 |
60 | 0.019 | 1.0 | 0.222 | 1.0 | -0.126 |
75 | -0.033 | 1.0 | 0.154 | 1.0 | -0.190 |
100 | -0.131 | 1.0 | -0.006 | 1.0 | -0.332 |
电流 (A) | 百分比误差 |
---|---|
0.025 | -23.562 |
0.05 | -8.155 |
0.1 | -2.049 |
0.25 | -0.492 |
0.5 | -0.203 |
1 | -0.100 |
2 | -0.050 |
5 | -0.049 |
10 | -0.021 |
20 | -0.037 |
30 | -0.023 |
40 | -0.027 |
50 | -0.015 |
60 | 0.002 |
70 | 0.011 |
80 | 0.021 |
90 | 0.034 |
100 | 0.064 |
电压 (V) | 百分比误差 |
---|---|
9 | 0.021 |
10 | 0.037 |
30 | 0.027 |
50 | 0.009 |
70 | 0.004 |
90 | -0.006 |
100 | 0.008 |
120 | -0.004 |
140 | -0.006 |
160 | 0.001 |
180 | 0.018 |
200 | -0.002 |
220 | 0.011 |
230 | 0.023 |
240 | 0.009 |
260 | 0.027 |
270 | 0.025 |