250 kVA 11 kV/0.4 kV Oil-Immersed Distribution Transformer
Compact three-phase distribution transformer for residential, commercial and light industrial power distribution, available with project-specific voltage and winding configurations.
250 kVA Transformer Technical Data
Standard configuration for an 11 kV/0.4 kV oil-immersed distribution transformer. Final specifications can be adjusted according to project requirements.
| Parameter | Standard Configuration |
|---|---|
| Product Type | Oil-Immersed Distribution Transformer |
| Rated Capacity | 250 kVA |
| Primary Voltage | 11 kV |
| Secondary Voltage | 0.4 kV / 0.415 kV |
| Phase | Three Phase |
| Frequency | 50 Hz / 60 Hz |
| Cooling Method | ONAN |
| Vector Group | Dyn11 / Yyn0 |
| Winding Material | Copper / Aluminum |
| Tapping Range | ±2 × 2.5% |
| Tap Changer | Off-Circuit Tap Changer |
| Tank Type | Hermetically Sealed / Conservator |
| Installation | Outdoor / Indoor |
| Applicable Standard | IEC / Project-Specified Standard |
Project-Specific Technical Configuration
Voltage ratio, impedance, loss level, tapping range, winding material, accessories and testing requirements can be configured according to the approved project specification.
Performance values, dimensions and total weight are subject to final design confirmation and the approved technical drawing.
Designed for Compact Distribution Projects
A practical 250 kVA configuration for local distribution networks, commercial facilities and light industrial loads.
Typical Applications
Small Industrial Facilities
Suitable for workshops, small factories and auxiliary power distribution.
Commercial & Residential Distribution
Designed for local low-voltage distribution in buildings, communities and commercial facilities.
Utility & Local Distribution Projects
Suitable for 11 kV distribution networks requiring a compact 250 kVA step-down transformer.
Why Choose This 250 kVA Transformer
Compact Footprint
Compact tank design helps reduce installation space for local distribution projects.
Sealed Oil-Immersed Design
Hermetically sealed and conservator configurations are available according to project requirements.
Simple Project Configuration
Primary voltage, secondary voltage, vector group, winding material and accessories can be selected according to the project specification.
Suitable for Single or Batch Orders
Available for single-unit replacement requirements as well as multi-unit distribution projects.
Routine Testing & Technical Documents
Each transformer is inspected and tested before delivery. Technical documents can be prepared according to the approved project specification and order requirements.
Routine Testing
Main electrical tests and inspections carried out before shipment.
Available Technical Documents
Documents can be provided for technical review and project approval.
Project Documentation
Final testing items, acceptance criteria and document format are confirmed according to the approved technical specification and purchase order.