Aifike: challenge electric vehicle fast charging station, the price is 30% lower than the current - Power Circuit - Circuit Diagram

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The Chigas City Mayor's clothing department, Aikimoto (ULVAC), recently announced their involvement in the electric vehicle (EV) fast charging station business, leveraging their experience with the Aifake Fast Charge System. This announcement is intended to showcase their commitment (Aifa Branch, Chairman of the Board of Directors). The company aims not only to dominate the Japanese market but also to expand globally, targeting 1 billion yen in orders within the first year, including system sales. Aifa is determined to challenge established players by offering cost-effective solutions for EV fast charging stations.

The first installation is scheduled for a municipal parking lot in Chigasaki City, Kanagawa Prefecture, near the company’s headquarters, in March 2010. The EV fast charging system provided to Chigasaki combines solar power generation equipment (Fig. 1). The complete system includes a 20kW solar cell array and a 50kW fast charging station. With this setup, an electric vehicle's battery can reach an 80% charge in approximately 25 minutes. When solar energy production is insufficient, the system can draw additional power from the grid.

Maximizing Overseas Manufacturing Capabilities

Several subsidiaries under the power company have already entered the EV fast charging station business (Figure 2). Established players have been active in this field since 2005, and by 2009, hundreds of fast charging stations had been installed (Aifa representative and company president). As a newcomer, Aifa plans to challenge these leaders using cost-efficient methods derived from their expertise in manufacturing equipment for liquid crystal panels and solar cells. Specifically, they intend to fully leverage their overseas manufacturing facilities and extensive business networks across Asia to scale operations significantly. Additionally, they aim to optimize component designs used in manufacturing equipment and reduce assembly times. Through these strategies, they anticipate reducing the cost of fast charging stations by 20-30% within the next six months (Aifako subsidiary Japan Ryan Electric Corporation representative, president Ishizaki Izumi).

The core component of the EV fast charging system, the fast charging station, and the power regulators required for solar cell integration will be co-developed by Aifa and Ryan Electric of Japan. Ryan Electric has previously focused on power supply products for sputtering devices. For this project, they applied communication-based abnormal shutdown and power-on technologies to the fast charging station. Furthermore, their motor control expertise for ironworks was incorporated into the power regulator’s maximum power point tracking (MPPT) functionality, achieving a remarkable 98% power conversion efficiency.