Three-Phase Voltage Transformers NALI-EC-15 (20) M3 for Isolated Neutral Systems

Voltage transformers of three-phase anti-resonance group NALI-EC-15 (20) M3 for voltage classes 15; 20 kV with cast insulation are designed for operation in power supply systems with isolated neutral, as well as with neutral grounded through arc-extinguishing reactor or resistor, in measurement, protection, automation, control, signalling circuits of alternating current with frequency 50 and 60 Hz, rated voltage from 15 to 20 kV at power plants of all types, including nuclear power plants, electrical substations, high-voltage lines, as well as for export.Voltage transformers of three-phase anti-resonance group NALI-EC are installed in complete switchgears of internal and external installation, CSR chambers, current conduits of generator voltage and auxiliary voltage of power plants and substations.Climatic execution "U", "UHL" or "T", placement categories 2, 2.1 or 3, 3.1 GOST 15150-69 and GOST 15543.1-89.