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220 kV Current transformer
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| Model No. : | LB-220W2 |
|---|---|
| Brand Name : | GNEE |
Hengyang Guoneng Mechanical And Electrical Equipment Co., Ltd.
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Product description
1General description Current transformers 220 and 110 kV will be with oil , sealed type porcelain insulator
and oil level indicators. 2Technical Data
and oil level indicators. 2Technical Data
| Description | 220 kV |
| Maximum rated voltage | 245 kV |
| Rated voltage | 220 kV |
| Withstand toward the impulse voltage 1.2/50 | 1050 kV |
| Withstand toward the industrial 50 Hz voltage | 460kV |
| rated voltage on primary winding | 600-1200 A |
| Rated current on secondary winding | 1A |
| Permitted overload on current | 120% |
| Withstand toward on short circuit currents in kA | 40 kA |
| The secondary windings listed as per the accuracy class : | |
| First core measurement | 30 VA ,class 0.5 |
| Second core measurement | 30 VA ,class 0.5 |
| Third core relay protection | 30 VA ,class 5P20 |
| Fourths core relay protection | 30 VA ,class 5P20 |
| Fifth core relay protection | 30 VA ,class 5P20 |
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