# Chubu Electric and Fuji Electric Unveil Ultra-Low-Loss Amorphous Core Pad-Mounted Transformers for Urban EV Hubs

> Chubu Electric Power Grid and Fuji Electric have co-developed a compact 6.6 kV / 200 V amorphous alloy metal core distribution transformer that cuts no-load magnetic core losses by 60%, tailored for high-density metropolitan EV charging plazas across Nagoya and Tokyo.

- **Publish Date:** 2026-09-28
- **Category:** transformers-grid
- **Reading Time:** 4 min
- **Original Source Citation:** [Chubu Electric Power Grid Co. & Fuji Electric Press Room](https://www.chuden.co.jp/english/corporate/news/press/2026/0928_amorphous_distribution_transformer_ev_hub.html)
- **Tags:** Chubu Electric, Fuji Electric, Amorphous Core, Distribution Transformer, No-Load Loss, EV Charging, Energy Efficiency
- **Canonical URL:** https://voltformer.com/news/chubu-electric-fuji-electric-amorphous-core-distribution-transformers-ev
- **Markdown Source:** https://voltformer.com/news/chubu-electric-fuji-electric-amorphous-core-distribution-transformers-ev.md

## Combating Standby Losses in High-Intermittency EV Charging

On September 28, 2026, Chubu Electric Power Grid and Fuji Electric announced the commercial deployment of their next-generation amorphous alloy core pad-mounted distribution transformers. With fast-charging EV stations experiencing extended standby periods between charging cycles, continuous no-load core losses represent a substantial waste of energy in conventional silicon-steel transformers.

The newly developed amorphous ribbon exhibits an atomic random structure that lowers hysteresis loss dramatically, reducing standby power consumption by 60% compared to Top-Runner standard Japanese distribution units.

## Compact Enclosure Design and Thermal Resilience

Amorphous cores are notoriously sensitive to mechanical stress and require larger cross-sectional areas. Fuji Electric solved this by engineering a modular wound-core geometry with automated stress-relief annealing and synthetic ester insulation fluid.

The complete pad-mounted package fits within standard pavement utility footprints and is rated for 150% temporary peak overloading to absorb simultaneous ultra-fast EV vehicle arrivals without thermal degradation.

---
Related: [Power & Energy News Hub](https://voltformer.com/news.md) · [Voltformer Substation & Transformer Catalog](https://voltformer.com/catalog.md)