3000 KVA Pad Mount Three-Phase Oil-Immersed Distribution Transformer

This 3000 kVA Pad Mounted Transformer delivers stable 3 MVA capacity for data centers, industrial plants, and solar step-up applications in a compact ground-level footprint. The liquid-filled design (mineral oil or FR3 fluid) handles sustained full-load heat without the space and cost of a fenced substation yard.

• Rated Power: 3000 kVA (3 MVA)
• Weight: Approx. 8,500 kg – 10,500 kg
• Cooling: KNAN standard, KNAF optional (+15-25% temporary overload capacity)
• Insulating Fluid: Mineral Oil or FR3 (Vegetable Oil)

Installing a 3000 kVA Pad Mounted Transformer requires a properly engineered transformer mounting pad. Key requirements:

 

• Load Distribution: The transformer mounting pad must support both static weight and dynamic energization loads. Uneven leveling risks tank warping and gasket leaks over time.
• Cable Alignment: Low-voltage output uses heavy copper busbars - the window opening in the transformer mounting pad must align precisely with the transformer throat to avoid stress on cable terminations.
• Seismic Anchoring: External cleats bolt directly into the transformer mounting pad for units installed in seismic zones.

Detachable panel radiators on transformer side for natural

convection cooling.

Unlike smaller units, a 3000 kVA transformer generates significant core and winding heat.

• Corrugated vs. Radiators: While smaller units use corrugated walls, this model is typically equipped with detachable panel radiators to maximize surface area for natural convection (KNAN).
• Overload Capability: The tank design allows for the optional installation of cooling fans (KNAF), providing a temporary capacity boost (up to 15-25%) during peak demand spikes without overheating.

Despite its high power rating, this unit maintains the safety standards of the pad-mount family.

• Tamper-Proof: The cabinet is secured with penta-head bolts and padlock recesses, ensuring no unauthorized access to live parts.
• Compartmentalization: High and low voltage compartments are separated by a rigid metal barrier, protecting operators during routine maintenance tasks like oil sampling or gauge reading.

 

• Crypto Mining & Data Centers: This 3000 kVA Pad Mounted Transformer provides high-density power feed (4000A+) to server containers, mounted on a reinforced transformer mounting pad for outdoor, space-efficient installation.
• Solar Step-Up: Aggregates power from multiple string inverters, stepping up voltage (e.g., 600V to 34.5kV) for grid transmission.
• Industrial Manufacturing: Powers heavy motor loads and pumps where indoor substation space is unavailable.

3000 kVA pad mounted step-up transformer installed at a

utility-scale solar farm.