A 1500 kVA oil filled transformer is commonly used for large commercial buildings, hospitals, shopping centers, industrial facilities, and utility distribution nodes where medium voltage is stepped down to low voltage for plant loads. It can also serve renewable energy balance of plant systems and data center support loads depending on voltage class. Oil filled construction supports higher power density and outdoor installation. Exact application depends on primary voltage, secondary voltage, impedance, cooling class, and utility interconnection requirements.
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