1000 kVA Cast Resin Dry Type Transformer

1000 kVA Cast Resin Dry Type Transformer is prepared for indoor cast-resin transformer duty. It covers 6kV / 10kV / 11kV / 13.8kV input networks and 400V / 415V / 480V output distribution. It uses AN (Natural) / AF (Forced +40%) cooling or thermal design data where specified. This series description presents the application, construction, protection, and specification details in finished product copy.

The 1 MVA Milestone: Robustness and Reliability

For indoor cast-resin transformer duty, the 1 MVA Milestone: Robustness and Reliability is treated as a practical design and selection point rather than generic catalog wording.

• The 1000 kVA Dry Type Transformer represents the "gold standard" capacity for main building power and heavy industrial feeders. It marks the transition into the megawatt class, where the physical stresses on the windings require advanced structural engineering.
• As a high-capacity three phase dry type transformer, this unit must physically withstand the "magnetic hammer" effect of a short circuit. To guarantee this, the design uses a Heavy-Duty Channel Steel Framework. Unlike smaller units that rely on simple tie-rods, this 1 MVA model uses upper and lower steel crossbeams to clamp the coils like a vice. This rigidity prevents the windings from telescoping or shifting during electrical faults, preventing catastrophic mechanical failure.

Cast Resin Technology: The Silica Ratio

For indoor cast-resin transformer duty, cast Resin Technology: The Silica Ratio is treated as a practical design and selection point rather than generic catalog wording.

• The longevity of a 1000 kVA unit depends entirely on the quality of its insulation mixture. the design uses a premium dry type cast resin system that functions more like engineered stone than plastic.
• Brass tap changer links on 1000 kVA cast resin transformer coil.
• The Mixture: We mix epoxy resin with a high concentration of Quartz Silica Flour under vacuum. This isn't just for insulation; the silica adds massive mechanical strength.
• Crack Prevention: Because this mixture is tuned to have the same thermal elongation properties as the copper conductor, the insulation moves with the metal, not against it. This means the coil remains solid and crack-free, even when the unit undergoes rapid heating from a cold start (-25°C) to full operating load.

Partial Discharge and Electrical Health

For indoor cast-resin transformer duty, partial Discharge and Electrical Health is treated as a practical design and selection point rather than generic catalog wording.

• For a 10 kV or 11 kV transformer dry type insulation system, "Partial Discharge" (PD) is the silent indicator of insulation failure.
• Factory partial discharge testing in shielded room ensuring.
• The Standard: While industry standards often allow for up to 20pC (pico-Coulombs) of discharge, the 1000 kVA coils are cast under strict vacuum conditions to prevent air voids.
• The Result: We guarantee a Partial Discharge level of. This exceptionally low value indicates a void-free solid insulation, ensuring the dielectric material is not slowly eroding from the inside out, which is critical for high-reliability assets like hospital mains or data center feeds.

Technical Data Sheet

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

• Technical Parameter.
• Specification Data.
• 6kV / 10kV / 11kV / 13.8kV.
• 400V / 415V / 480V.
• Vacuum Cast Resin (Quartz Filled).
• < 10 pC (High reliability).

Typical Application Context

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

• 1000 kVA dry type transformer installed in a public metro station.
• Public Infrastructure: Powering metro stations or airport terminals where the low smoke (F1) and non-explosive nature of the resin is mandatory for passenger safety.
• Industrial Plants: Installed in "dirty" manufacturing environments (e.g., cement or textile mills). The solid resin surface is smooth and non-tracking, allowing conductive dust to be easily wiped off during maintenance shutdowns.
• Indoor Substations: Replacing oil units in basement switchrooms to remove the fire risk and the need for expensive oil-catchment civil works.

Electrical and Mechanical Data

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

Product Detail Images