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11kV 415V Three Phase Transformer – Complete Guide by ZTelec Yuguang

12-04 2025 | By:

ZTelec Yuguang Transformer Factory is a leading manufacturer of industrial and commercial transformers, offering 11kV 415V three-phase transformers with high efficiency, reliability, and customizable specifications. These transformers are widely used in industrial plants, commercial complexes, solar projects, and distribution networks.

Applications of 11kV 415V Three Phase Transformers

  1. Industrial Plants

    • Powering machinery, motors, and control systems.

    • Ensures reliable voltage conversion for heavy-duty equipment.

  2. Commercial Buildings

    • Shopping malls, office complexes, hospitals, and schools.

    • Provides stable three-phase power for HVAC, lighting, and elevators.

  3. Substations & Distribution Networks

    • Step-down transformer for local distribution networks.

    • Supports industrial and residential areas with stable voltage.

  4. Renewable Energy Projects

    • Solar PV plants and wind farms.

    • Converts medium-voltage generation (11kV) to low-voltage output (415V) for grid integration.

Advantages of ZTelec Yuguang 11kV 415V Transformers

  • High Efficiency – Reduces energy losses and operating costs.

  • Robust Design – Resistant to overloads and short circuits.

  • Low Maintenance – Minimal downtime and reliable operation.

  • Customizable – Voltage, power rating, cooling type, and insulation tailored to project needs.

  • Safety & Reliability – Meets IEC, CE, and ISO standards.

10KV oil-immersed distribution transformer

Typical Specifications Table

Specification 11kV 415V Three Phase Transformer
Power Rating 50 kVA – 3150 kVA
Primary Voltage 11 kV
Secondary Voltage 415 V
Phases Three-phase
Cooling AN / AF (Dry type) or ONAN / ONAF (Oil-immersed)
Frequency 50/60 Hz
Insulation Class Class F / H
Applications Industrial, Commercial, Solar, Distribution

Featured Snippet Compact Version

ZTelec Yuguang 11kV 415V three-phase transformers provide efficient, reliable voltage conversion for industrial plants, commercial complexes, substations, and solar projects.

Type Power Primary Voltage Secondary Voltage Cooling Application
Dry (SCB10/SCB11) 50–3150 kVA 11 kV 415 V AN / AF Industrial, Commercial
Oil-immersed (S11/S13) 50 kVA–20 MVA 11 kV 415 V ONAN / ONAF Industrial, Substations, Solar

Key Advantages: High efficiency, reliable operation, low maintenance, customizable design.











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