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The reliable distribution and safe utilization of electrical power in a variety of industrial, commercial, and infrastructure settings hinges on a robust transformation step. Our 630 KVA 11/0.415KV Transformer is engineered to meet this critical need, offering exceptional performance and durability. This unit is specifically designed to step down voltage from an 11KV primary supply to a usable 415V secondary output, making it a cornerstone for facility power systems. Built with high-grade materials and advanced manufacturing techniques, it ensures minimal energy loss, stable voltage regulation, and a long operational lifespan even under demanding conditions. For applications requiring enhanced safety and noise reduction, consider our specialized range of Isolation Transformer units. Furthermore, modern facilities benefit from the safety, low maintenance, and environmental advantages of an Isolation Dry Type Transformer. As a premier example in this category, our 11 0.415KV Dry Type Transformer provides a fire-resistant and eco-friendly solution without the need for insulating oil.
The core performance of the 630 KVA 11 0.415KV Transformer is defined by its precise electrical and physical parameters. These specifications are crucial for engineers and procurement specialists to ensure perfect compatibility with existing electrical infrastructure and compliance with project requirements. The following tables detail the key characteristics of this transformer model.
| Parameter | Specification |
|---|---|
| Rated Capacity | 630 kVA |
| Primary Voltage (HV) | 11000 V ± 2 x 2.5% |
| Secondary Voltage (LV) | 415 V (Line-to-Line) |
| Frequency | 50 Hz / 60 Hz (as specified) |
| Vector Group | Dyn11 (Standard) or as required |
| No-Load Loss (Po) | < 850 W (Typical) |
| Load Loss (Pk) at 75°C | < 6200 W (Typical) |
| Impedance Voltage (Z%) | Approx. 6% |
| Insulation Class | Class H (180°C) or higher |
| Feature | Description |
|---|---|
| Cooling Type | AN/AF (Air Natural / Air Forced) |
| Enclosure Protection | IP21 (Standard), IP23, IP54 available |
| Core Material | High-grade, low-loss, cold-rolled grain-oriented silicon steel |
| Winding Material | Electrolytic copper conductors with high-temperature insulation |
| Temperature Rise | 80K (Winding), 85K (for Class H insulation) |
| Sound Level | < 65 dB(A) (at 1 meter under no-load) |
| Tappings | Off-circuit tapping links on HV side (± 2 x 2.5%) |
| Terminations | HV & LV bushings or cable boxes as per requirement |
| Standards Compliance | IEC 60076, IEEE C57.12.01, AS/NZS 60076, or equivalent |
