Technical Parameters:

• Continuous Rating: 800 KVA
• No-load Voltage Ratio: 15,000 / 400 Volts
• Tapping Range on HV: +5% to -10%, in steps of 2.5%
• Phase & Frequency: 3 Phase, 50 Hz
• Connection: Star/Delta
• Impedance: 5.5%
• No-load Loss: 1500 W
• Load Loss: 10,000 W
• Efficiency at Unity Power Factor & Full Load: 98.58%
• Temperature Rise: Specific rise in winding temperature
• Application: Suitable for outdoor use

Terminal Arrangement:

High Voltage (HV) Side:

• Quadfurcating Cable Box with copper bus bar terminal, suitable for connectingPVC cables
• Additional neutral bushing terminal for earthing purposes

Low Voltage (LV) Side:

• Trifurcating cable box, suitable for connecting XLPE cables

Fittings:

• Externally hand-operated off-circuit tap switch with position indicator and locking device
• Conservator with oil gauge, filling hole (with plug), and drain hole (with plug)
• Undercarriage with four plain rollers
• Oil-filling hole cum air release plug
• Drain valve cum sampling valve
• Filter valve with plug
• Rating plate and diagram plate
• Two lifting lugs for transformer
• Two lifting lugs for lid
• Two earthing terminals
• One thermometer pocket
• One silicagel breather
• One winding temperature indicator with alarm and trip contacts
• One marshalling box
• One explosion vent
• One double float Buchholz relay with alarm and trip contacts
• One temperature sensor

Integrated Control Panel:

• LCD/LED display for real-time data monitoring
• Monitoring functions for voltage, current, and temperature
• Protection relays for overcurrent and earth fault
• Alarm system for fault conditions
• Local and remote control capabilities