| No. | IEC 61212
Properties 性能参数 | | Units单位 | JYJ201 | JYJ202 |
| | | | | Standard标准 | Typical样品 | Standard标准 | Typical样品 |
| 1 | Water absorption吸水性 ( 2mm) | | mg | ≤ 20 | 15 | ≤ 20 | 13 |
| 2 | Flexuralstrength,抗弯强度Perpendicular to laminations 垂直层向( lengthwise纵向) | 室温下
At rom temp. |
MPa |
≥ 340 | 355 |
≥ 340 | 355 |
| | | 155°C ±2 °C | | ≥ 170 | 280 | ─ | 280 |
3 | Impact strength, 抗冲击强度
parallel to laminations平行层向, Charpy, notch，出现缺口 | kJ/m² | ≥ 33 | 42 | 42 | 42 |
4 | Electric strength,电气强度
perpendicular to laminations ( 3mm ) 垂直层向in transformer oil at 在90°C ± 2°C变压器油中 |
kV/mm |
≥ 11.8 | 13 | ≥ 11.8 | 14 |
5 | Dielectric breakdown voltage,击穿电压
parallel to laminations平行层向 ( 25 mm )
in transformer oil at在90 °C ±2°C变压器油中 |
kV | ≥ 35 | 48 | ≥ 35 | 60 |
6 | Dielectric dissipation factor介质损耗因数 48 – 62 Hz [ tgδ ] | ─ | ≤ 0.04 | 0.03 | ≤ 0.04 | 0.03 |
7 | Dielectric constant [εr ] 介质常数
( Dielectric Permittivity ) |
─ |
≤ 5.5 | 4.9 | ≤ 5.5 | 4.9 |
| 8 | Insulator resistivity after immersion浸水绝缘电阻 | GΩ | ≤5.0*10² | 6*10³ | ≤5.0*10² | 6*10³ |
| 9 | Comparative tracking index相比电痕化指数 | ─ | ≥ 600 | ≥ 600 | ─ | ≥ 600 |
| 10 | Flammability 可燃性 | ─ | ─ | ─ | ─ | ─ |
| 11 | Temperature Index 耐热性 | °C | ≥ 155 | 200 | ≥ |
