100 kVA Cast Resin Dry Type Transformer

100 kVA Cast Resin Dry Type Transformer is prepared for indoor cast-resin transformer duty. It covers 6kV / 10kV / 11kV input networks and 400V / 415V output distribution. It uses AN (Air Natural) cooling or thermal design data where specified. This series description presents the application, construction, protection, and specification details in finished product copy.

Compliance and Installation Strategy

Compliance and Installation Strategy connects the product rating with the field conditions, enclosure layout, and distribution role it is normally selected for.

• For projects restricted by strict fire codes-such as populated commercial centers, hospitals, or underground infrastructure-the 100 kVA Dry Type Transformer is the standard solution to bypass the limitations of oil-filled units. By eliminating flammable liquid dielectrics entirely, this unit allows engineers to position the power input directly near the load center (even on upper floors), eliminating the cost and complexity of building fire-proof vaults or oil containment pits.
• When sizing equipment, engineers often debate between specific capacities. If your project load calculation suggests a 75 kva dry type transformer, we strongly recommend upgrading to this 100 kVA model. It offers 33% more load capacity for future expansion and handles startup currents (inrush) more effectively, all while occupying virtually the same physical floor space as the smaller 75 kVA unit.

Vacuum Cast Resin (CRT) Engineering

For indoor cast-resin transformer duty, vacuum Cast Resin (CRT) Engineering is treated as a practical design and selection point rather than generic catalog wording.

• The integrity of this dry type transformer relies on a robust Vacuum Cast Resin process. We mix the epoxy resin with quartz silica flour under high vacuum conditions to create a solid, void-free insulation block around the HV windings.
• 100 kVA cast resin transformer coil with smooth void-free epoxy.
• F1 Fire Resistance: The silica filler acts as a natural flame retardant. Practically, this means the coil is self-extinguishing. If a fire breaks out in the building, the transformer will not propagate the flame or release the thick, toxic smoke that typically hampers evacuation efforts.
• Moisture Immunity: The solid insulation completely seals the conductors. This means the unit can be energized immediately even after months of shutdown in humid environments (95% humidity), without the need for pre-drying (C2 Climatic Class).

Technical Specifications

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

• Technical Parameter.
• Specification Data.
• Class F (155°C) or Class H (180°C).
• IP00 (Core only) or IP20/IP23 (With Enclosure).
• < 48 dB (Low Noise Design).
• Vacuum casting chamber for manufacturing cast resin dry type.

Operational Reality

For indoor cast-resin transformer duty, operational Reality is treated as a practical design and selection point rather than generic catalog wording.

• Minimal O&M Burden: Unlike liquid units that require oil sampling and seal monitoring, this unit is essentially a "static" asset. Routine upkeep is drastically reduced, limited only to visual inspections and vacuuming accumulated dust from the air ducts during scheduled shutdowns.
• Acoustic Comfort: Since 100 kVA units are often installed inside occupied buildings, the design uses precision Step-Lap core stacking to dampen magnetostriction. The resulting noise profile is unobtrusive, often quieter than a standard office HVAC system, ensuring zero disturbance to nearby tenants.

Installation Context

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

• This compact unit is typically found in.
• Indoor 100 kVA dry type transformer powering a high-rise.
• Building electrical room.
• High-Rise Buildings: Powering elevator banks and lobby lighting where oil units are prohibited by fire codes.
• Underground Transits: Providing auxiliary power for subway lighting and ventilation fans.
• Shopping Malls: Serving as a dedicated node for specific retail zones or HVAC subsystems.

Electrical and Mechanical Data

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

Product Detail Images