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Enforce standards
GB/T 20840《Transformer》
IEC 61869《Instrument transformers》
Type description
Normal service condition
Power factor:COSΦ=0.8 (lagging)
Rated secondary voltage: 100/3, 100/3
Rated frequency: 50Hz or 60Hz
Anti-fouling level: Grade II
Ambient temperature: The lowest temperature is -5℃, the highest temperature is +40℃,and the average daily temperature does not exceed 30℃
Altitude: ≤ 1000 meters
Performance parameter
| Model number | Rated voltage ratio (kV) | Accuracy order | Accuracy level and Rated output (vA) | Secondary heat limit output (vA) | |||
| 0.2 | 0.5 | 3 | - | ||||
| JDZ-24 | 20/0.1 | 0.2 | 30 | - | - | 600 | |
| 20/0.1 | 0.5 | - | 80 | - | - | ||
| 20/0.1/0.1 | 0.2/0.5 | 20 | 20 | - | - | ||
| 20/0.1/0.22 | 0.5/3 | - | 30 | 500 | - | ||
