Zinc Oxide Surge Arrester for Power Transformer Protection
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- Details
This zinc oxide surge arrester is used to protect transformers and electrical equipment from lightning surge and switching overvoltage. It features fast response, low leakage current, stable protection performance and reliable insulation strength. The product is suitable for power transformers, distribution transformers, compact substations, switchgear and power distribution systems.
| Voltage class | Service scope | Virtual value of arrester rated voltage (kV) | Gapless arrester | ||
| Virtual value of continuous voltage (kV) | 1mA reference voltage(kv) is no less than | MAX.leakage (uA)under 0.75 times Of D.C.reference voltage | |||
| 35kV | power model | 51 | 40.8 | 73 | 50 |
| 42 | 23.4 | 73 | 50 | ||
| 42 | - | - | - | ||
| capacitor model | 51 | 40.8 | 73 | 50 | |
| 42 | 23.4 | 73 | 50 | ||
| 42 | - | - | - | ||
| Line-type | 51 | 40.8 | 73 | 50 | |
| 54 | 43.2 | 77 | 50 | ||
| 42 | - | - | - | ||
| 42 | - | - | - | ||
| neutral point model | 30 | 24 | 44 | 50 | |
