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Industrial Technology Research Institute

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Hybrid Distribution Transformer (HDT)

Technology Overview

Hybrid Distribution Transformer (HDT).
Hybrid Distribution Transformer (HDT).


  • HDT technology to enable traditional DT with voltage stabilization and adjustment capabilities.

  • Adopting low-loss PWM design and wide-bandgap semiconductor components, providing an efficient solution.
    Equipped with an automatic bypass circuit design to enhance the power supply resilience of the equipment.

Applications & Benefits

The system adopts a modular design, allowing development for various transformer capacities and supporting domestic single/dual/tri-transformer wiring structures (Y-Y/U_V).

  • Each 10 kVA module provides ± 5% voltage compensation for 167 kVA transformer capacity
  • High efficiency: SiC component enable 97.22% system efficiency
  • Smart dispatch and management: supports remote monitoring and control for the grid management system to facilitate optimal power dispatch