GFLZZ0757-35Q epoxy resin medium voltage outdoor current transformer
The supporting-type current instrument transformers GFLZZ0757-35Q are fully enclosed and cast in epoxy resin. Transformer is equipped with one core and coil assembly rated for measurement and protection. The transformers are designed for electric power systems of 50Hz/60Hz rated frequency and 35kV rated voltage. They are used for outdoor mounting. The performances of the products meet standards IEC60044-1, IEC61869-2 and IEEE C57.13. The products are applied to metering electric energy, voltage controlling and relay protection.
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Parameters
| Technical parameters | |
|---|---|
| Standards | IEC60044; IEC 61869; ANSI/IEEE C57.13 |
| Rated primary current | 20-2000A |
| Rated load | ≤15VA |
| Rated frequency | 50Hz or 60Hz |
| Rated secondary current | 5A or 1A |
| Rated short-time thermal current | 80kA, 1s |
| Rated dynamic current | 160KA |
| Rated insulation level | 12/42/75KV |
| FS | ≤10 |
| Mechanical parameters | |
| Material | Epoxy resin |
| Weight (kg) | 30 |
| Operating conditions | |
| Operating temperature | -25°C to +55°C |
| Daily average temp | <+40°C |
| Storage temperature | -40°C to +70°C |
| Altitude | <1000 meters |
| Condition | No existence of severely begrimed, erosive and radioactive gas in the air. Permission of long-term operation under rated current. |
Technical parameters
| Ratied primary current (A) | Class combination | Accuracy class and rated output (VA) | Short-time thermal current (kA/S) | Rated dynamic current (kA) | ||
|---|---|---|---|---|---|---|
| 0.2(S) | 0.5S | 10P10 | ||||
| 20 | 0.2(S)/0.5(S) 0.2(S)/10P10 0.5(S)/10P10 0.2(S)/0.5(S)/10P | 15 | 15 | 25 | 1.3 | 3.25 |
| 30 | 2 | 5 | ||||
| 40 | 3 | 7.5 | ||||
| 50 | 4.5 | 11.5 | ||||
| 75 | 6 | 15 | ||||
| 100 | 9 | 22.5 | ||||
| 150 | 12 | 30 | ||||
| 200 | 18 | 45 | ||||
| 300 | 24 | 60 | ||||
| 400 | 36 | 90 | ||||
| 500 | 40 | 100 | ||||
| 600-800 | 50 | 120 | ||||
| 1000-1200 | 63 | 130 | ||||
| 1500-200 | 80 | 160 | ||||
