Product model: JDQX3-252 series gas insulated electromagnetic voltage transformer
Product features: The JDQX3-252 series gas insulated electromagnetic voltage transformer is designed for use with 252KV single-phase metal enclosed composite electrical appliances and is the main component of metal enclosed composite electrical appliances. This product meets the national standards GB1208 and IEC185.
Technical parameters of JDQX3-252 series gas insulated electromagnetic voltage transformer:
Rated primary voltage: 220/√ 3KV
Rated frequency: 50-60Hz
Rated insulation level: 252/460/950KV
Partial discharge level:<5pC
Insulation medium: SF6
Rated gas pressure: 0.6Mpa
Minimum gas operating pressure: 0.5Mpa
At zero gauge pressure, the power frequency withstand voltage of the primary winding is 190KV for 5 minutes
Annual gas leakage rate:<0.5%
Gas moisture content: < 150ppm
Accurate level combination:
Accurate level combination:
| Winding category |
Rated voltage ratio (KV) |
Accurate level combination |
Rated output capacity combination (VA) |
Secondary winding thermal limit output (VA) |
| three-winding |
110/√3∶0.1/√3∶0.1 |
0.2∶3P |
150∶300 |
two thousand |
| 0.5∶3P |
300∶300 |
two thousand |
| Four windings |
110/√3∶0.1/√3∶0.1√3∶0.1 |
0.2∶3P∶3P |
100∶150∶300 |
two thousand |
| 0.5∶3P∶3P |
150∶150∶300 |
two thousand |
| 0.2∶0.2∶3P |
75∶75∶300 |
two thousand |
| 0.2∶0.5∶3P |
120∶150∶300 |
two thousand |
| 0.5∶0.5∶3P |
150∶150∶300 |
two thousand |
JDQX3-252 series gas insulated electromagnetic voltage transformer