Substation Equipment Test Van
ETL-250 - Kharkovenergopribor Ltd. (KEP)
Apart from insulation withstand testing with DC (rectified) voltage up to 60 kV and ability to measure very small leakage currents, the system can be used for testing various objects with small electrical capacitance with AC voltage of up to 250 kV and measuring dielectric dissipation factor (Tan Delta) at industrial frequency.