Inductive Gas-Filled Voltage Transformer ZNOG-110 for Measurement and Protection Devices

General purpose inductive gas-filled voltage transducers of ZNOG series are designed for transmission of measuring information signal to measuring devices and protection, signalling and control devices in open and closed AC switchgears of 50 Hz frequency for rated voltage 110 kV. It is produced with polymer and porcelain insulation. The transformer is manufactured in climatic version U and UHL1 of placement category 1 according to GOST 15150: <ul> <li>- lower limit of operating temperature - minus 45 degrees C (U1)</li> <li>lower limit of operating temperature - minus 60 degrees C (UHL1)</li> <li>upper limit of operating temperature - plus 40 deg C</li> <li>Installation height above sea level - 1000 m</li> </ul>Seismic resistance on MSK-64 scale - not more than 9 points. Test voltage of industrial frequency - 230 kV Test voltage of full/cut-off lightning impulse - 480/550 kV Accuracy classes of secondary windings for measurement and metering - 0,2/0,5/1