OIL FILLED TRANSFORMERS

• Energy efficiency and consumption reduction;

• Low noise;

• Possibility of installation in tropical countries with temperatures up to +55°C;

• Customized manufacture upon customers’ technical requirements;

• Technical and sales assistance in project development.

Standard manufacture

• 1 – HV porcelain bushings;
• 2 – LV porcelain bushings and neutral;
• 3 – tap changer operated from the outside with transformer disconnected;
• 4 – thermometer pocket;
• 5 – lifting lugs;
• 6 – oil conservator (from 630 to 3150 kVA);
• 7 – level display (for transformers with oil conservator);
• 8 – silicalgel capsule (for transformers with conservator);
• 9 – filling hole, type 1: bursting valve for transformers with conservator, type2: overpressure valve for ermetically sealed transformers;
• 10 – bi-directional rollers;
• 11 – emptying valve;
• 12 – earthing terminal;
• 13 – data plate.

Customization upon request

• 14 – thermometer with two  N.O. contacts alarm trip;
• 15 – relé bucholz with two N.O. contacts alarm trip (for transformers with oil conservator);
• 16 – DGPT2 device (for hermetically sealed transformers, without oil conservator) or, as an alternative, RIS device;
• electronic TPL210 device, with NT210 monitoring unit of temperature, pressure and oil level for hermetically sealed transformers;
• over pressure valve with electric contact;
• primary voltage up to 36kV;
• double primary voltage;
• double or multiple secondary voltage for use in photovoltaic systems;
• non-standard losses and voltages;
• non standard connections and vector groups;
• Hz 60 frequency;
• MV elastimold type connectors;
• passe-barre type LV connectors;
• MV/LV air cable boxes;
• MV connector protections;
• pole-mounting slids;
• auxillary junction box;
• silicon or vegetable oil;
• electrostatic shield between primary and secondary windings;
• metal OR PVC oil retention bund;