ZHCUD84 August 2025
表 4-4 详细说明了电压结果的变化。
| 电压 | cos ϕ = 1i(0 度) | ANSI C12.1 2022 | 脉冲 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| ERROR 1 | ERROR 2 | ERROR 3 | ERROR 4 | ERROR 5 | 平均误差 (%) | 与基准 的 差值 |
限值 (%) [0.1 级] |
限值 (%) [0.2 级] |
||
| 测试电流 (TA) | ||||||||||
| 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | ||||||
| 120 (REF) | -0.153 | -0.180 | -0.109 | -0.088 | 0.028 | -0.100 | (基准) | REF | REF | 12 |
| 108 | -0.157 | 0.083 | 0.159 | -0.195 | -0.038 | -0.0296 | 0.071 | ±0.1 | ±0.2 | 12 |
| 235 | 0.023 | -0.04 | -0.172 | -0.23 | -0.117 | -0.1072 | 0.007 | ±0.1 | ±0.2 | 12 |
| 270 | -0.141 | 0.162 | 0.138 | -0.129 | -0.186 | -0.0312 | 0.069 | ±0.1 | ±0.2 | 29 |
| 297 | -0.192 | 0.127 | -0.059 | -0.135 | 0.077 | -0.0364 | 0.064 | ±0.1 | ±0.2 | 58 |
| 测试电流 (TA) | ||||||||||
| 15 | 15 | 15 | 15 | 15 | ||||||
| 120(REF) | 0.005 | 0.014 | 0.016 | 0.008 | -0.002 | 0.0082 | (基准) | REF | REF | 58 |
| 108 | -0.005 | -0.006 | -0.014 | -0.003 | 0.012 | -0.0032 | 0.011 | ±0.1 | ±0.2 | 58 |
| 235 | -0.012 | -0.001 | -0.002 | -0.003 | -0.002 | -0.0040 | 0.012 | ±0.1 | ±0.2 | 115 |
| 270 | -0.01 | 0.002 | 0.02 | 0.023 | 0.017 | 0.0104 | 0.002 | ±0.1 | ±0.2 | 230 |
| 297 | 0.028 | 0.028 | 0.018 | 0.026 | 0.018 | 0.0236 | 0.015 | ±0.1 | ±0.2 | 288 |