Description
500kVA / 33kV / 415V Power Transformer is a high-capacity distribution transformer designed for heavy-duty industrial and community power applications. This specific configuration is a step-down transformer that takes 33,000V (High Tension) and converts it to 415V (Low Tension) for three-phase distribution. 500kVA, this unit can comfortably power a large factory, a hospital, or a residential estate.
Standard Accessories & Protection
Buchholz Relay: (Specific to 500kVA+ units) Detects internal gas formation or oil surges, triggering an alarm or trip before a major explosion occurs.
Conservator Tank: Handles the expansion of oil due to heat.
Dehydrating Breather: Filled with Silica Gel to keep moisture out of the oil.
Oil Temperature Indicator (OTI): To monitor the heat of the cooling fluid.
Magnetic Oil Level Gauge: For visual inspection of oil levels.
Pressure Relief Device (PRD): Protects the tank from bursting during a short-circuit.
Capacity: 500 kVA
High Voltage 33,000V (33kV)
Low Voltage 415V (Line-to-Line) / 240V (Phase-to-Neutral)
CoolingONAN (Oil Natural Air Natural)
Type of Cooling Oil Class 1 Mineral Oil (uninhibited)
Tap Changer Off-Circuit (Typical range: +5% to -5% in 2.5% steps)
Efficiency: High efficiency with low no-load and load losses
Application: Industrial plants, substations, commercial complexes, and infrastructure projects
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