1500 kVA Cast Resin Dry Type Transformer

1500 kVA Cast Resin Dry Type Transformer is prepared for indoor cast-resin transformer duty. It covers 10kV / 11kV / 13.2kV / 33kV input networks and 400V / 415V / 480V output distribution. It uses AN (Base) / AF (+33% Capacity) cooling or thermal design data where specified. This series description presents the application, construction, protection, and specification details in finished product copy.

Site Planning and Enclosure Engineering

For indoor cast-resin transformer duty, site Planning and Enclosure Engineering is treated as a practical design and selection point rather than generic catalog wording.

• The 1500 kVA Dry Type Transformer represents a significant footprint in any electrical layout. In high-density commercial projects, allocating premium, climate-controlled floor space for a standard indoor dry type transformer is often economically inefficient. Consequently, facility engineers are increasingly specifying these units for rooftop or service yard installations to maximize rentable interior area.
• However, moving a dry-type unit outdoors introduces severe risks. Standard ventilated enclosures allow wind-driven rain to bypass the louvers, leading to immediate insulation faults. Therefore, converting this unit into a viable outdoor dry type transformer requires a complete architectural redesign of the housing, moving from simple punched-steel vents to complex filtration geometries.

Engineering for Outdoor Survival

For indoor cast-resin transformer duty, engineering for Outdoor Survival is treated as a practical design and selection point rather than generic catalog wording.

• Double-folded labyrinth louvers on 1500 kVA outdoor dry type transformer enclosure.
• To ensure longevity in uncontrolled environments, we address two specific failure mechanisms: Wind-Driven Ingress and Phase-Change Moisture.
• Double-folded labyrinth louvers on 1500 kVA outdoor dry type.
• Transformer enclosure.
• NEMA 3R / IP44 Labyrinth: the design uses Double-Folded Labyrinth Louvers. These geometries force intake air to make multiple 90-degree turns. While air can navigate this path, water droplets and heavy particulates cannot; they impact the steel baffles and drain away via gravity before they can reach the live HV coils.
• Dew Point Management: While IP44 stops rain, it cannot stop humidity. The primary risk for outdoor units is "Cold Start Flashover." During off-load periods (e.g., night), the core temperature drops. If it hits the dew point, moisture vapor condenses into a liquid film on the windings. To prevent this, we install Hygrostat-Controlled Heaters that maintain the internal temperature at 5-7°C above ambient, physically preventing water vapor from condensing on the insulation surface.

Handling 2100 Amps: Connection Logic

For indoor cast-resin transformer duty, handling 2100 Amps: Connection Logic is treated as a practical design and selection point rather than generic catalog wording.

• Delivering approximately 2165 Amps (at 400V) presents a physical connection challenge. Utilizing multiple parallel heavy-gauge cables can lead to mechanical stress on the LV terminals (Cantilever Load).
• Therefore, the low-voltage throat of the 1500 kVA unit is designed with a reinforced Busbar Connection Flange. This allows for a direct, rigid coupling to a Busway system (Busduct), which is the industry standard for safely transmitting currents exceeding 2000A in data centers and heavy industries.
• Factory assembly of reinforced busbar connection flange for.
• 1500 kVA transformer.

Technical Data Sheet

Technical Data Sheet provides selection data that helps compare ratings, voltage classes, and installation requirements.

• Technical Parameter.
• Specification / Options.
• 1500 kVA (1.5 MVA).
• 10kV / 11kV / 13.2kV / 33kV.
• 400V / 415V / 480V.
• Rated Current (LV).

Typical Application Context

Typical Application Context connects the product rating with the field conditions, enclosure layout, and distribution role it is normally selected for.

• Outdoor 1500 kVA dry type transformer powering data center.
• Data Center Cooling Yards: Installed outdoors to power external chillers, freeing up white space inside the server hall.
• Industrial Retrofits: Placed on reinforced rooftops when basement switch rooms are fully occupied.
• Marine Ports: Shore-to-ship power supply units where the enclosure must resist both salt spray and heavy rain.

Electrical and Mechanical Data

The table data is organized for quick rating comparison, project specification, and transformer selection.

Product Detail Images